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New key to the Abrodictyum species in the Afro-Malagasy region (modified from Dubuisson et al. 2017) - Distal ultimate lobes or segment usually multi-veined and/or fused, often spatulate and appearing serrulate...... A. pachyphlebium 1. Distal ultimate lobes or segment usually single-veined, free, or sometimes fused by pair................................................................ 2 2. Lamina apparently absent or reduced to one row of cells on both sides of the veins........................................................................ 3 - Lamina always developed.................................................................................................................................................................. 4 3. Fronds subsessile or with short stipes not exceeding 4–5 cm, narrowly oblong to linear on herbarium, always with a narrowly cylindrical brush-like shape when fresh...................................................................................................................... A. cylindratum - Fronds with stipes usually longer than 4–5 cm, narrowly to widely lanceolate when dried, plane or with a lanceolate brush-like shape when fresh......................................................................................................................................................... A. parviflorum 4. Lamina of ultimate segments usually not exceeding 3 cells on both sides of the veins..................................................................... 5 - Lamina of ultimate segments with usually more than 3 cells on both sides of the veins................................................................... 6 5. Lamina width often variable (1 to 3 rows of cells on both sides of the veins) within the same frond; fronds narrowly to widely lanceolate, plane or with a brush-like shape; usually more than 6 sori per pinna....................................................... A. parviflorum - Lamina width usually not variable within the same frond; fronds narrowly oblong to linear, sometimes narrowly lanceolate but never widely lanceolate, always plane; often a single sorus per pinna, rarely more than 6 sori per pinna.................................................................................................................................................................................................................. A. angustimarginatum 6. Rhizomes erect; lamina without a clearly distinct marginal row of cells; plants usually terrestrial or saxicolous, rarely epiphytic............................................................................................................................................................................................................... 7 - Rhizomes short-creeping; lamina with a clearly distinct marginal row of cells; plants usually epiphytic, sometimes saxicolous..................................................................................................................................................................................... A. tamarisciforme 7. Fronds bipinnate-pinnatifid or more divided, always plane in the wild, never crispate or curled..................................................... 8 - Fronds rarely more than bipinnate-pinnatifid, usually with pinnules curled in the wild.................................................. A. franceae 8. Fronds often more divided than bipinnate-pinnatifid, broadly lanceolate to triangular, often exceeding 30 cm long; lamina dark green and opaque; sori cylindrical to slightly campanulate.................................................................................................. A. dregei - Fronds usually not more divided than bipinnate-pinnatifid, usually not exceeding 13.5 cm long, narrowly lanceolate; lamina light green and translucent; sori obconic (cup-shaped)....................................................................................... A. inexpectatum sp. nov., Published as part of Dubuisson, Jean-Yves, Bauret, Lucie, Boucheron-Dubuisson, Elodie & Rouhan, Germinal, 2022, Abrodictyum inexpectatum, an unexpected new fern species (Hymenophyllaceae, Polypodiidae) for Madagascar, as revealed by an integrative approach, pp. 83-91 in Phytotaxa 568 (1) on page 90, DOI: 10.11646/phytotaxa.568.1.6, http://zenodo.org/record/7184304, {"references":["Dubuisson, J. - Y., Bauret, L., Grall, A., Senterre, B., Said, A. H., Pynee, K., Ebihara, A. & Hennequin, S. (2017) Taxonomic study of the fern genera Abrodictyum C. Presl and Trichomanes L. (Hymenophyllaceae, Polypodiidae) in the western Indian Ocean, and description of a new Abrodictyum species for Madagascar. Phytotaxa 327: 201 - 222. https: // doi. org / 10.11646 / phytotaxa. 327.3.1"]}

Abrodictyum inexpectatum Dubuisson & Rouhan, sp. nov., Fig. 3. Plants similar to Abrodictyum franceae Bauret & Dubuisson, but smaller on average and with fronds plane in the wild (vs. usually crispate or curled for A. franceae) and genetically different; also first supposedly close to A. angustimarginatum (Bonap.) J.P. Roux, but genetically different and displaying ultimate segments with more than three rows of cells on both sides of the terminal veins (vs. not more than three rows of cells for A. angustimarginatum). It also differs from A. dregei (Bosch) Dubuisson & Rouhan in mature fronds smaller in average, usually not exceeding 13.5 cm long (reaching 37 cm for A. dregei), lamina light green and translucent (vs. dark green and opaque), and sori obconic or cup-shaped (vs. cylindrical to slightly campanulate). Type:— MADAGASCAR. Antsiranana: Andapa, Parc national de Marojejy, abords du camp 4 et le long de la rivière, 14°26’43”S, 49°44’31”E, 25 September 2015, G . Rouhan, L. Bauret, & D. Ravelonarivo s.n. (holotype: P [P02434058]!) Epiphytic at the base of trunks or saxicolous ferns. Rhizomes short, erect, 0.5–1.0 cm in diameter, bearing long tufted, erect, red-brown and more or less catenate pluricellular hairs, densely covering apex, and numerous robust roots. Fronds clustered, semi-erect; stipes 1–3 cm long, wingless and slightly canaliculate on the adaxial surface bearing numerous scattered hairs identical to those of rhizomes; rachises, with wings on their upper part only, and main costae with hairs similar to those on the stipes and rhizomes. Laminae 5.5–10.5 × 1.5–3.5 cm, narrowly lanceolate with truncate base and acute apex, bipinnate-pinnatifid, light green and translucent, plane in the wild; pinnae 0.5–2.5 × 0.2–1.8 cm, lanceolate or ovate to narrowly oblong, sub-horizontal to oblique, basally sub-opposite then alternate; pinnules pinnatifid, lanceolate or ovate to linear, with lamina slightly decurrent along the second order costules; ultimate or terminal segments 0.2–0.4 mm wide (> 3 cells on both sides of the veins), linear and uni-veined with mostly acute (less often rounded) ends, sometimes fused by pair, the veins not reaching the margin; venation pinnate and anadromous; laminar cells thick-walled with walls up to 10 µm thick and more or less wavy, very variable in shape, mostly longitudinally oriented and sometimes oblique, tetragonal to pentagonal, less often hexagonal, isodiametric or longer than wide, especially in fused segments parts. Sori paratactic, mostly on acroscopic basal-most segments of proximal pinnules, 1.0–1.4 × 0.5–0.9 mm, usually 1 per pinnule, up to 6 per pinna, free with usually a thin full longitudinal wing on both margins or less often at the base, obconic (cup-shaped), truncate or with a slightly dilated mouth; receptacle short to long-exerted. Distribution and habitat: —Endemic to Madagascar, in the understory of rainforests, at middle to high elevations (550–1,600 m), according to the examined specimens. The species seems to be restricted to the north-east of the island in the province of Antsiranana, but the low number of specimens attributed to this new taxon does not allow a precise definition of its distribution and abundance. Indeed, the species is either rare or has been under-collected because it has been confused with more abundant species, such as A. franceae or A. dregei. New surveys in the province and elsewhere on the island in the lowland and montane humid forests are therefore necessary. Etymology: —The specific epithet is related to the unexpected nature of the discovery of this new species, only revealed by the molecularly sequenced specimen collected and first incorrectly identified as A. angustimarginatum. Specimens examined (paratypes): — MADAGASCAR. Antsiranana: Partie occidentale du Massif de Marojejy de la vallée de l’Ambatoharanana au bassin supérieur de l’Antsahaberoka, 15-25 November 1959, H . Humbert 31865 (P [P01526301]!); River Ansaharatsy, 13°48’43”S, 48°47’59”E, 15 April 2000, C . Birkinshaw et al. 681 (P [P01627579]!).

Phlomoides agraria (Bunge) Adylov, Kamelin & Makhm. EXAMINED SPECIMENS. — Kyrgyzstan. Ferghanah, Ablatoume, chaine de Tchotkal-Taou, alt. c. 2200 m, 3.IX.1881, G. Capus 1101 (P [P03411148, P03411152]). REMARK According to Xiang et al. (2014), P. agraria is distributed in Xinjiang (China), Kazakhstan, Mongolia and Russia. In Middle Asia, the distribution area is mainly limited to the Kazakhstan: Kazakh Uplands, Alakul depression, Balkhash deserts, Aral deserts, Caspian deserts, Dzhungarian Alatau, Chu-Ili mountains, Zailiysky Alatau, Kungey Alatau (Adylov & Makhmedov 1987). According to literature data (Lazkov 2011, 2016; Lazkov & Sultonova 2014), Phlomis agraria Bunge var. turkestanica Franch. has never been recorded from Kyrgyzstan. We however found one specimen collected by Capus (Chatkal mountain) and it is here reported for the first time for Kyrgyzstan.

Onobrychis arnacantha Bunge EXAMINED SPECIMEN. — Tajikistan. Passe de Koui-Kabra, vallée du Jagnaous (Kohistan), 3430 m. 6.VII.1881, G . Capus 365 (P [P02765934]). REMARK Onobrychis Mill. is represented in Middle Asia by 20 species of annual, perennial and shrub plants distributed in Kyzyzlkum deserts up to alpine zone (Kovalevskaja 1981). More than half of them are known from Tajikistan (Abdusalamova 1978). Onobrychis arnacantha, was so far recorded from alpine zone of Iran area (Afghanistan, Iran) (Rechinger 1984) and it has never been previously recorded from Tajikistan (Khassanov 2015; Nowak et al. 2020)., Published as part of Turdiboev, Obidjon A., Rouhan, Germinal, Allamurotov, Akmal L., Madaminov, Farrukhbek M., Akbarov, Feruz I. & Tojibaev, Komiljon Sh., 2022, Contribution of French explorers to the study of Middle Asian flora: the herbarium collections by Guillaume Capus (1857 - 1931), pp. 1857-1931 in Adansonia (3) (3) 44 (22) on page 236, DOI: 10.5252/adansonia2022v44a22, http://zenodo.org/record/7094212, {"references":["KOVALEVSKAJA S. S. 1981. - Onobrychis Mill., in KAMELIN R. V., KOVALEVSKAJA S. S. & NABIEV M. M. (eds), Conspectus Florae Asiae Mediae. Vol. 6. Editio Academiae Scientiarum UZSSR, Tashkent: 311 - 321.","ABDUSALAMOVA L. N. 1978. - Oxytropis DC., in OVCZINNIKOV P. N. (ed.), Flora of Tajikistan. Vol. 5. Izdatelstvo Nauka, Leningrad: 426 - 496 [in Russian].","RECHINGER K. H. 1984. - Onobrychis (Hedysareae-Papilionaceae II), in RECHINGER K. H. (ed.), Flora Iranica. Vol. 157. Akademische Druck, Graz: 387 - 464.","KHASSANOV F. O. 2015. - Conspectus Florae Asiae Mediae. Editio Academiae Scientiarum UZSSR, Tashkent, 382 p.","NOWAK A., NOBIS M., NOWAK S., NOBIS A., WROBEL A., SWI- ERSZCZ S., DEMBRICZ I. & KUSZA G. 2020. - Illustrated Flora of Tajikistan and Adjacent Areas. Polish Academy of Sciences, Botanical Garden Center for Biological Diversity Conservation, Warsaw, 768 p."]}

Matthiola flavida Boiss. EXAMINED SPECIMENS. — Tajikistan. Kohistan, Intarr, N du village de Kanti, 2700 m, 20.VI.1881, G . Capus 92 (P [P05431756]); Seravschan Range, Margusar am Pasrut, 9000 ft, 21.VI.1882, A . Regel s.n. (P [P05431754]). REMARK Five species of Matthiola R.Br. were previously reported from Tajikistan by Yunusov (1978): M. bucharica Czerniak. and M. obovata Bunge (endemic to Middle Asia, with main habitats in the Pamir-Alay mountains), M. integrifolia Kom. in Middle Asian (Pamir-Alay), Afghanistan and West Himalaya, M. chenopodiifolia Fisch. & C.A.Mey. (native range extending by Iran to Middle and South Asia – Afghanistan, Iran, Pakistan) and M. czerniakowskae Botsch. & Vved. (endemic to Uzbekistan and Tajikistan) (Sarkisova 1974). Matthiola flavida is a polymorphic and complex species with regards to leaves and hairiness, but fairly constant in its slender habit, siliquae and short pedicels. This widespread species needs critical studies with adequate material from its entire range of distribution (Missouri Botanical Garden, 06.I.2022, http:// www.tropicos.org/name/4104642). At P, we found two specimens of M. flavida, collected by Capus (P05431756) and Regel (P05431754) in Tajikistan., Published as part of Turdiboev, Obidjon A., Rouhan, Germinal, Allamurotov, Akmal L., Madaminov, Farrukhbek M., Akbarov, Feruz I. & Tojibaev, Komiljon Sh., 2022, Contribution of French explorers to the study of Middle Asian flora: the herbarium collections by Guillaume Capus (1857 - 1931), pp. 1857-1931 in Adansonia (3) (3) 44 (22) on page 236, DOI: 10.5252/adansonia2022v44a22, http://zenodo.org/record/7094212, {"references":["YUNUSOV S. YU. 1978. - Matthiola R. Br., in OVCZINNIKOV P. N. (ed.), Flora of Tajikistan. Vol. 5. Izdatelstvo Nauka, Leningrad: 143 - 148.","SARKISOVA S. A. 1974. - Matthiola R. Br., in VVEDENSKY A. I. (ed.), Conspectus Florae Asiae Mediae. Vol. 4. Editio Academiae Scientiarum UZSSR, Tashkent: 137 - 141."]}

Picris strigosa M.Bieb. EXAMINED SPECIMEN. — Uzbekistan. Karakyz, montagnes de Tchirtchik. 21.VIII.1881, G . Capus 794 (P [P03048769]). REMARK According to Guseva (1993) and Khassanov (2015), five species of Picris L. are known for all five countries of Middle Asia, in addition to Egypt, Iran, Lebanon, North Cacucasus, South Europenan Russia. Picris strigosa is distinguished from all other Middle Asian Picris species by stems covered with simple as well as forked bristles with 4 anchor-shaped hooks. It was known only from South-West KopetDag, Turkmenistan (Nikitin & Geldikhanov 1988; Guseva 1993). Therefore, the historical collection of Capus allows increasing the species diversity of Uzbekistan of one more species of Picris., Published as part of Turdiboev, Obidjon A., Rouhan, Germinal, Allamurotov, Akmal L., Madaminov, Farrukhbek M., Akbarov, Feruz I. & Tojibaev, Komiljon Sh., 2022, Contribution of French explorers to the study of Middle Asian flora: the herbarium collections by Guillaume Capus (1857 - 1931), pp. 1857-1931 in Adansonia (3) (3) 44 (22) on page 233, DOI: 10.5252/adansonia2022v44a22, http://zenodo.org/record/7094212, {"references":["GUSEVA N. M. 1993. - Picris L., in ADYLOV T. A. (ed.), Conspectus Florae Asiae mediae. Vol. 10. Editio Academiae Scientiarum UZSSR, Tashkent: 110 - 113.","KHASSANOV F. O. 2015. - Conspectus Florae Asiae Mediae. Editio Academiae Scientiarum UZSSR, Tashkent, 382 p.","NIKITIN V. V. & GELDIKHANOV A. M. 1988. - Conspectus Florae Turkmenistan. Leningrad, \" Nauka \", 630 p."]}

Pedicularis pycnantha Boiss. EXAMINED SPECIMEN. — Tajikistan. Gorge deTchoukalik, 16.VI.1881, G . Capus 1011 (P [P02977086!]). — Kohistan, Passe de Mourra, 1.VII.1881, G . Capus 1012 (P [P02977087]). REMARK In Middle Asia, the species was known only from the juniper forests of the Middle Kopet-Dag, Turkmenistan (Li 1987; Nikitin & Geldikhanov 1988). Among Middle Asian species of Pedicularis, P. pycnantha is similar to P. kuljabensis Ivanina – high-mountain endemic of the Pamir-Alay and to the most widespread P. olgae Regel occurring in Pamir-Alay and Tien-Shan mountains (Li 1987)., Published as part of Turdiboev, Obidjon A., Rouhan, Germinal, Allamurotov, Akmal L., Madaminov, Farrukhbek M., Akbarov, Feruz I. & Tojibaev, Komiljon Sh., 2022, Contribution of French explorers to the study of Middle Asian flora: the herbarium collections by Guillaume Capus (1857 - 1931), pp. 1857-1931 in Adansonia (3) (3) 44 (22) on page 236, DOI: 10.5252/adansonia2022v44a22, http://zenodo.org/record/7094212, {"references":["LI A. D. 1987. - Pedicularis L., in ADYLOV T. A. (ed.), Conspectus Florae Asia Mediae. Vol. 9. Editio Academiae Scientiarum UZSSR, Tashkent: 210 - 220.","NIKITIN V. V. & GELDIKHANOV A. M. 1988. - Conspectus Florae Turkmenistan. Leningrad, \" Nauka \", 630 p."]}

Oxytropis tatarica Hook.f. & Thomson ex Bunge. EXAMINED SPECIMEN. — Uzbekıstan. Vallée de l’Ona-Oulgane, dans les monts Tchirtchik, alt. c. 2350 m., 22.VII.1881, G. Capus 365 (P [P02914846]) (Fig. 6). REMARK According to literature (Filimonova 1983; Tojibaev 2010; Khassanov 2015), Oxytropis tatarica has never been recorded from Middle Asia. At P, we found one specimen from Uzbekistan belonging to this species., Published as part of Turdiboev, Obidjon A., Rouhan, Germinal, Allamurotov, Akmal L., Madaminov, Farrukhbek M., Akbarov, Feruz I. & Tojibaev, Komiljon Sh., 2022, Contribution of French explorers to the study of Middle Asian flora: the herbarium collections by Guillaume Capus (1857 - 1931), pp. 1857-1931 in Adansonia (3) (3) 44 (22) on page 234, DOI: 10.5252/adansonia2022v44a22, http://zenodo.org/record/7094212, {"references":["FILIMONOVA Z. N. 1983. - Oxytropis DC., in ADYLOV T. A. (ed.), Conspectus Florae Asiae Mediae. Vol. 7. Editio Academiae Scientiarum UZSSR, Tashkent: 323 - 368.","TOJIBAEV K. SH. 2010. - Flora of the Western Tian-Shan. Science Press, Tashkent, 100 p.","KHASSANOV F. O. 2015. - Conspectus Florae Asiae Mediae. Editio Academiae Scientiarum UZSSR, Tashkent, 382 p."]}

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Trichomanes parvulum As highlighted by Dubuisson et al. (2018), Trichomanes parvulum is listed in some taxonomic databases (e.g. Tropicos, https://tropicos.org/name/26603003; African Plant Database 2021), likely based on authoritative taxonomic synopsis (e.g. Roux 2009), as a synonym of Hymenophyllum sibthorpioides (Bory ex Willd., in Willdenow 1810: 498) Mett. ex Kuhn (Kuhn 1868: 41). But Trichomanes parvulum could also be treated either as a taxonomically accepted species (Kuhn 1968; Christensen 1932; Tardieu-Blot 1960), or as a heterotypic synonym of Crepidomanes minutum (Blume 1828: 223) K. Iwats. (Iwatsuki 1985: 524), as suggested Dubuisson et al. (2018). We may note here that Christensen (1932), even if he keeps the species T. parvulum distinct, suggests the synonymy with H. sibthorpioides. In addition, the Tardieu-blot’s (1960) treatment contradicts a previous publication (Tardieu-Blot 1951) where she considers T. parvulum as synonym to H. sibthorpioides. This same treatment under H. sibthorpioides is also included in her posthumous publication (Tardieu-Blot 2008). All these uncertainties in taxonomic treatments result especially from the fact that Hymenophyllum sibthorpioides and Crepidomanes minutum are tiny filmy ferns that are overall similar and share the same habitat (low to mid-elevation rainforests) in eastern Africa and the western Indian Ocean, and can thus grow in sympatry. This sympatry and their close morphology explain why the two species are often confused in the wild and in collections even sometimes by pteridologists (Fig. 1A–B). Because type specimens of T. parvulum are sterile and relatively poorly preserved material (Fig. 1C–D), and the protologue of that name is imprecise (Poiret 1808), it makes so far its morphological characterization difficult and its taxonomic treatment controversial. In order to clarify the taxonomy of C. minutum and H. sibthorpioides, we aimed at characterizing the puzzling name T. parvulum. Therefore, we studied in detail all plant fragments of the type material of T. parvulum kept in the P herbarium (L.-M.A. du Petit-Thouars s.n., P00065014, P00065015; herbarium acronyms follow Thiers 2021). For this purpose, we first summarised the main characters that distinguish the two species C. minutum and H. sibthorpioides (Tab. 1). Considering fertile specimens, the distinction is easy: C. minutum has tubular to campanulate sori typical of trichomanoids (to which the species belongs) while H. sibthorpioides has bilabiate sori typical of its genus; additionally, sori margins are toothed in H. sibthorpioides vs. non-toothed in C. minutum. Considering sterile specimens, rhizome characters are sometimes informative: in Crepidomanes (C.Presl) C.Presl (Presl 1849: 258) rhizomes are rootless and densely covered with short dark brown hairs that may extend to the base of the stipes whereas in Hymenophyllum Sm. (Smith 1793: 418) rhizomes bear sparse reddish-brown hairs (or may appear glabrous if aged) with sparse fine roots. The entirely sterile type material of T. parvulum comprises a single rhizome fragment that is connected to a frond (Fig. 1C, green arrow). This rhizome is glabrous, hence suggesting to ascribe it to H. sibthorpioides. By studying the frond lamina, two morphotaxa can nevertheless be clearly distinguished: one with the clear greenish-grey coloured dry fronds that show cellular characters close to those of C. minutum (Fig. 1C–D, clear fronds without arrows; Fig. 1F), and one with the dark reddish-brown coloured dry fronds that show cellular characters close to those of H. sibthorpioides (Fig. 1C, blue arrows; Fig. 1G). In addition, one clear frond appears to have proliferation (Fig. 1D, red arrow). Looking at this latter character in detail (Fig. 1E, red arrows), such proliferation is double and originates on the rightmost stipe. The proliferation that defines the budding of a new frond on a stipe is an exclusive autapomorphy of C. minutum (Ebihara et al. 2006). Concerning segment apices, the ends of the segments of almost all the fronds are damaged, but for at least the frond with proliferation (Fig. D, red arrow), some preserved segments show emarginate apex as expected for C. minutum. The characters of rhizome, stipe and lamina of the type of T. parvulum therefore clearly indicate that the different fragments represent a heterogeneous mixture of the two species H. sibthorpioides and C. minutum. Consequently, a lectotype corresponding most nearly with the original description or diagnosis must be designated (Art. 14, Turland et al. 2018). The original description of T. parvulum describes the sorus as urceolate, or as a small, dilated cup at its extremity. The adjective urceolate describes a campanulate form with the median part slightly broader than the mouth. This depicts rather a trichomanoid sorus than a Hymenophyllum sorus, and the dilated lips are also characteristic of C. minutum. Consequently, the description of the sori and the presence of C. minutum in the type material of T. parvulum led us to designate as lectotype of T. parvulum the fragments identified as C. minutum. This is also in agreement with the illustration of T. parvulum by Hooker (1844: Tab. 39 A) which clearly shows a C. minutum with typical campanulate sori. As the earlier name T. parvulum has priority over Trichomanes minutum Blume (1828: 64), it is the correct name to apply, and it must be combined under Crepidomanes., Published as part of Dubuisson, Jean-Yves, Nivart, Adele, Senterre, Bruno & Rouhan, Germinal, 2021, New taxonomic treatment for Trichomanes parvulum Poir. and T. dregei Bosch (Hymenophyllaceae, Polypodiidae), pp. 119-125 in Phytotaxa 523 (1) on pages 119-120, DOI: 10.11646/phytotaxa.523.1.9, http://zenodo.org/record/5572061, {"references":["Dubuisson, J. - Y., Le Pechon, T., Bauret, L., Rouhan, G., Reeb, C., Boucheron-Dubuisson, E., Selosse, M. - A., Chaussidon, C., Dajoz, I., Pynee, K., Grangaud, E., Robert, Y., Tamon, J. - M., Hennequin, S. (2018) Disentangling the diversity and taxonomy of Hymenophyllaceae (Hymenophyllales, Polypodiidae) in the Mascarene archipelago, with ecological implications. Phytotaxa 375: 1 - 58. https: // doi. org / 10.11646 / phytotaxa. 375.1.1","African Plant Database (2021) Version 3. 4. 0. Conservatoire et Jardin botaniques de la Ville de Geneve and South African National Biodiversity Institute, Pretoria. Available from: http: // africanplantdatabase. ch (accessed July 2021)","Roux, J. P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23: 1 - 293.","Willdenow, C. L. (1810) Species Plantarum. G. C. Nauk, Berlin, 542 pp.","Kuhn, F. A. M. (1868) Filices Africanae. W. Engelman, Leipzig, 233 pp.","Christensen, C. (1932) The Pteridophyta of Madagascar. Dansk Botanisk Arkiv 7: [i] - xv, [1] - 253, 80 plates.","Tardieu-Blot, M. - L. (1960) Les fougeres des Mascareignes et des Seychelles. Notulae Systematicae (Paris) 16: 151 - 201.","Blume, C. L. von (1828) Enumeratio plantarum Javae 2. Van Leeuwen, Leiden, pp. 99 - 274.","Iwatsuki, K. (1985) The Hymenophyllaceae of Asia, excluding Malaysia. Journal of the Faculty of Science, University of Tokyo Section 3, Botany 13: 501 - 551.","Tardieu-Blot, M. - L. (1951) Hymenophyllacees. In: Humbert, H. (ed.) Flore de Madagascar et des Comores, famille 3. MNHN, Paris, pp. 16 - 38.","Tardieu-Blot, M. - L. (2008) Hymenophyllacees. In: Autrey, J. - C., Bosser, J. & Ferguson, K. (Eds.) Flore des Mascareignes, La Reunion, Maurice, Rodrigues. IRD Edition, Paris, pp. 71 - 90. [posthumous publication by F. Badre, MNHN]","Poiret, J. L. M. (1808) Encyclopedie methodique: Botanique. H. Agasse, Paris, 879 pp.","Thiers, B. (2021) [continuously updated] Index herbariorum, a global directory of public herbaria and associated staff. Botanical Garden's Virtual Herbarium, New York. Available from: http: // sweetgum. nybg. org / ih / (accessed June 2021)","Smith, J. E. (1793) Tentamen botanicum de filicum generibus dorsiferarum. Memoires de l'Academie Royale des Sciences de Turin 5: 401 - 422.","Ebihara, A., Dubuisson, J. - Y., Iwatsuki, K., Hennequin, S. & Ito, M. (2006) A taxonomic revision of the Hymenophyllaceae. Blumea 51: 221 - 280. https: // doi. org / 10.3767 / 000651906 X 622210","Turland, N. J., Wiersema, J. H., Barrie, F. R., Greuter, W., Hawksworth, D. L., Herendeen, P. S., Knapp, S., Kusber, W. - H., Li, D. - Z., Marhold, K., May, T. W., McNeill, J., Monro, A. M., Prado, J., Price, M. J. & Smith, G. F. (2018) International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. Regnum Vegetabile 159. https: // doi. org / 10.12705 / Code. 2018","Hooker, W. J. (1844) Species filicum 1 (2). Pamplin, London, 65 - 128, Tab. 21 - 40."]}

Abrodictyum dregei (Bosch) Dubuisson & Rouhan, comb. nov., Fig. 2. Trichomanes dregei Bosch (1858: 372). Type citation: Hab. Cap. bon spei! Drège; Port Natal! Gueinbius. Type:— SOUTH AFRICA. Transkei, Lusikisiki, without date, J.F. Drège s.n. (lectotype S, S-P-18091!, 4 top specimens of the sheet only, here designated; isolectotypes BM, K, K000435631!, K000435632!). Remaining syntype:— SOUTH AFRICA. Port Natal, without date, W. Gueinzius s.n. (S, S-P-18090! 4 bottom specimens of the sheet only). Note:—The specimen B20 0106572 (B) may be eligible as an isolectotype following Roux (2009), but this specimen has not been retrieved. Roux (2009) also suspected the ‘holotype’ to be present at P, but we did not succeed in finding it, hence we designate here the S specimen as lectotype, in accordance with the note of Schelpe on the sheet (Fig. 2). In addition, the S specimen is better preserved than the K duplicates. The collector of the remaining syntype, cited as “Gueinbius” by van den Bosch, is likely a misspelling for Wilhelm Gueinzius, as correctly written on the herbarium sheet (Fig. 2); Wilhelm Gueinzius is known as a German naturalist who indeed collected in South Africa and precisely in Natal around 1841. = Trichomanes rigidum Sw. var. lugubre Christ (1901: 849). Type:— DEMOCRATIC REPUBLIC OF CONGO. Kisantu, without date, J.B. Gillet s.n. (holotype BR, BR 0000013468675!). = Trichomanes rigidum Sw. var. annobonense Brause (Brause & Hieronymus 1915: 378). Type:— EQUATORIAL GUINEA. Annobon Island: Summit of Santa Mina, 650 m, October 1911, G.W.J. Mildbraed 6700 (holotype B, BW 20 0093175!). = Abrodictyum pseudorigidum Bauret & Dubuisson (Dubuisson et al. 2016: 161), nom. illeg. superfl.. TYPE:— MADAGASCAR. Fianarantsoa: Ambatomboay, RNI d’Andringitra versant E, 40 km au Sud d’Ambalavao, sur les berges d’un affluent de la rivière Sahavatoy, 24 May 1995, F . Rakotondrainibe 2708 (holotype P, P00059914!)., Published as part of Dubuisson, Jean-Yves, Nivart, Adele, Senterre, Bruno & Rouhan, Germinal, 2021, New taxonomic treatment for Trichomanes parvulum Poir. and T. dregei Bosch (Hymenophyllaceae, Polypodiidae), pp. 119-125 in Phytotaxa 523 (1) on pages 123-124, DOI: 10.11646/phytotaxa.523.1.9, http://zenodo.org/record/5572061, {"references":["Bosch, R. B. van den (1858 [1859]) Synopsis Hymenophyllacearum, monographiae hujus ordinis prodromus. Nederlandsch kruidkundig archief 4: 341 - 419. https: // doi. org / 10.5962 / bhl. title. 41482","Roux, J. P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23: 1 - 293.","Christ, H. (1901) Acotyledones vasculares. In: de Wildeman, E. & Durand, T. (Eds.) Plantae Gilletianae Congolensis. Bulletin de l'Herbier Boissier, ser. 2 1 (9): 848 - 851.","Brause, G. G. W. & Hieronymus, G. H. E. W. (1915) Pteridophyta africana nova vel non satis cognita. Botanische Jahrbucher 53: 356 - 433.","Dubuisson, J. - Y., Bauret, L., Grall, A., Li, T., Ebihara, A. & Hennequin, S. (2016) Discussion on the taxonomy of African fern Abrodictyum rigidum (Sw.) Ebihara & Dubuisson and description of two new Abrodictyum C. Presl species (Hymenophyllaceae, Polypodiidae) for the Afro-Malagasy region. Phytotaxa 284: 151 - 168. https: // doi. org / 10.11646 / phytotaxa. 284.3.1"]}

Trichomanes dregei Trichomanes dregei, described on the basis of South African specimens, is listed by Roux (2009) as synonym for Abrodictyum rigidum (Swartz 1788: 137) Ebihara & Dubuisson (Ebihara et al. 2006: 243). But the latter species is strictly Neotropical and the Afro-Malagasy populations actually represent the distinct taxon A. pseudorigidum Bauret & Dubuisson (Dubuisson et al. 2016: 161). Van den Bosch (1858) named T. dregei the South African specimens collected by Drège as cited by Kunze (1836) under T. rigidum, hence the Roux’ treatment. However, neither van den Bosch (1858) nor Kunze (1836) accompanied the new name and citation of occurrence with a precise description. This explains that T. dregei had been erroneously treated as a nomen nudum in the synonymy of A. pseudorigidum (Dubuisson et al. 2016). This resulted from the oversight of an additional Kunze’s observation (p. 554) clearly mentioning a few morphological differences between Drège’s specimens and the Neotropical populations. As such, this observation should be considered as an effectively published diagnosis, to which van den Bosch (1858) made a reference and thus validated the name T. dregei (Art. 38.1(a), Turland et al. 2018). Since T. dregei is the earlier name, its specific epithet has priority over pseudorigidum and must therefore be combined under Abrodictyum C.Presl (Presl 1843: 20)., Published as part of Dubuisson, Jean-Yves, Nivart, Adele, Senterre, Bruno & Rouhan, Germinal, 2021, New taxonomic treatment for Trichomanes parvulum Poir. and T. dregei Bosch (Hymenophyllaceae, Polypodiidae), pp. 119-125 in Phytotaxa 523 (1) on page 123, DOI: 10.11646/phytotaxa.523.1.9, http://zenodo.org/record/5572061, {"references":["Roux, J. P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23: 1 - 293.","Swartz, O. P. (1788) Nova genera & species plantarum seu Prodromus. M. Swederi, Stockholm, Upsala & Turku (Aboa), 152 pp.","Ebihara, A., Dubuisson, J. - Y., Iwatsuki, K., Hennequin, S. & Ito, M. (2006) A taxonomic revision of the Hymenophyllaceae. Blumea 51: 221 - 280. https: // doi. org / 10.3767 / 000651906 X 622210","Dubuisson, J. - Y., Bauret, L., Grall, A., Li, T., Ebihara, A. & Hennequin, S. (2016) Discussion on the taxonomy of African fern Abrodictyum rigidum (Sw.) Ebihara & Dubuisson and description of two new Abrodictyum C. Presl species (Hymenophyllaceae, Polypodiidae) for the Afro-Malagasy region. Phytotaxa 284: 151 - 168. https: // doi. org / 10.11646 / phytotaxa. 284.3.1","Bosch, R. B. van den (1858 [1859]) Synopsis Hymenophyllacearum, monographiae hujus ordinis prodromus. Nederlandsch kruidkundig archief 4: 341 - 419. https: // doi. org / 10.5962 / bhl. title. 41482","Kunze, G. (1836) Plantarum acotyledonearum Africae australis recensio nova. Linnaea 10: 480 - 570.","Turland, N. J., Wiersema, J. H., Barrie, F. R., Greuter, W., Hawksworth, D. L., Herendeen, P. S., Knapp, S., Kusber, W. - H., Li, D. - Z., Marhold, K., May, T. W., McNeill, J., Monro, A. M., Prado, J., Price, M. J. & Smith, G. F. (2018) International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. Regnum Vegetabile 159. https: // doi. org / 10.12705 / Code. 2018","Presl, C. B. (1843) Hymenophyllaceae. Eine botanische Abhandlung. G. Haase, Prague, 264 pp. https: // doi. org / 10.5962 / bhl. title. 627"]}

Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson, comb. nov. Trichomanes parvulum Poir. (Poiret 1808: 64), non Copel. (Copeland 1933: 145), type citation: M. du Petit-Thouars à l’île de Madagascar. Type:— MAURITIUS?. Without locality, without date, L.-M.A. du Petit-Thouars s.n. (lectotype P, P00065014!, here designated excl. specim. P01190780!; isolectotype P, P00065015!, excl. specim. P01190781!). Note.—The specimens were first considered to be from Madagascar as indicated by Poiret himself, but as highlighted by Tardieu-Blot (1941), the Petit-Thouars’ material studied by Poiret would actually have been collected in ‘Ile de France’ (Mauritius), hence the present suggested locality. = Trichomanes minutum Blume (1828: 223). ≡ Gonocormus minutus (Blume) Bosch (1861: 7–8, pl. 3) ≡ Crepidomanes minutum (Blume) K.Iwats. (Iwatsuki 1985: 524) var. minutum. Type:—JAVA. Without locality, without date, C.L. Blume s.n. (lectotype L, L0544607!, specimen A, designated by Dubuisson et al. (2018)). = Trichomanes proliferum Blume (1828: 224). ≡ Gonocormus prolifer (Blume) Prantl (1875: 51). Type:—JAVA. Without locality, without date, C.L. Blume s.n. (lectotype L, L0052391!, designated by Dubuisson et al. (2018); isolectotype L, L0544607!, specimen B). = Trichomanes saxifragoides C. Presl. (Presl 1843: 39). ≡ Gonocormus saxifragoides (C.Presl.) Bosch (1861: 9). Type:— PHILIPPINES. Luzon, without date, H. Cuming 256 (lectotype K, K000375720!, inadvertently designated by Tindale (1963); isolectotypes L, L0537118!, L0537119!, P, P00624459!). = Trichomanes palmatum C. Presl. (Presl 1843: 39, 40). Type:— PHILIPPINES. Luzon, without date, H. Cuming 209 (holotype L?; isotype P, P00624461!). = Trichomanes mannii Hook. (Hooker & Baker 1868: 75, 76). ≡ Gonocormus mannii (Hook.) G.Kunkel (Kunkel 1963: 212). ≡ Crepidomanes mannii (Hook.) J. P. Roux (Roux 2000: 155). Type:— EQUATORIAL GUINEA. ‘Fernando Po’, before 1861, G. Mann s.n. (syntype K?; isosyntype GH, GH00022249!). = Trichomanes lepervanchei Cordem. (Cordemoy 1891: 14). Type:— LA RÉUNION. Plaine des fougères, without date, M. Lepervanche-Mezière 7 (lectotype P, P 02141627!, designated by Dubuisson et al. (2018); isolectotype P, P 02141628!). = Trichomanes matthewii Christ (1909: 56). ≡ Gonocormus matthewii (Christ) Ching (Ching 1959: 177). Type:— CHINA. Kuang-toung: North river, Mong-si-hai, 11 December 1907, C.G. Matthew 26 (holotype P, P00623412!, isotype K, K001090162!). = Trichomanes musolense Brause ex Brause & Hieron. (1915: 377, 378). Type:— EQUATORIAL GUINEA. ‘ Westafrika: Fernando Poo, Musola oberhalb San Carlos (Westküste)’, November 1911, J. Mildbraed et al. 7057 (syntypes B, BW 20 0105426!, BW 20 0105427!; isosyntype P, P00482619!). = Trichomanes ruwenzoriense Taton (1946: 31, pl. 3, figs K, L), as ‘ ruwenzoriensis ’. ≡ Gonocormus ruwenzoriensis (Taton) Pic. Serm. (Pichi Sermolli 1968: 175). ≡ Crepidomanes ruwenzoriense (Taton) J.P. Roux (Roux 2009: 40). Type:— DEMOCRATIC REPUBLIC OF CONGO. ‘Secteur des lacs Edouard et Kivu: Ruwenzori, Lamia’, before 1920, J.C.C. Bequaert s.n. (holotype BR, BR0000008054166!). = Gonocormus australis Ching (1959: 163). Type:— CHINA. Hainan, without date, E. Smith 1397 (holotype BM, BM001044300!), Published as part of Dubuisson, Jean-Yves, Nivart, Adele, Senterre, Bruno & Rouhan, Germinal, 2021, New taxonomic treatment for Trichomanes parvulum Poir. and T. dregei Bosch (Hymenophyllaceae, Polypodiidae), pp. 119-125 in Phytotaxa 523 (1) on page 123, DOI: 10.11646/phytotaxa.523.1.9, http://zenodo.org/record/5572061, {"references":["Poiret, J. L. M. (1808) Encyclopedie methodique: Botanique. H. Agasse, Paris, 879 pp.","Copeland, E. B. (1933) Trichomanes. The Philippine Journal of Science 51: 119 - 280.","Tardieu-Blot, M. - L. (1941) Hymenophyllacees nouvelles ou litigieuses de Madagascar. Notulae Systematicae (Paris) 10: 90 - 93.","Blume, C. L. von (1828) Enumeratio plantarum Javae 2. Van Leeuwen, Leiden, pp. 99 - 274.","Bosch, R. B. van den (1861) Hymenophyllaceae javanicae [i]. Van der Post, Amsterdam, 67 pp.","Iwatsuki, K. (1985) The Hymenophyllaceae of Asia, excluding Malaysia. Journal of the Faculty of Science, University of Tokyo Section 3, Botany 13: 501 - 551.","Dubuisson, J. - Y., Le Pechon, T., Bauret, L., Rouhan, G., Reeb, C., Boucheron-Dubuisson, E., Selosse, M. - A., Chaussidon, C., Dajoz, I., Pynee, K., Grangaud, E., Robert, Y., Tamon, J. - M., Hennequin, S. (2018) Disentangling the diversity and taxonomy of Hymenophyllaceae (Hymenophyllales, Polypodiidae) in the Mascarene archipelago, with ecological implications. Phytotaxa 375: 1 - 58. https: // doi. org / 10.11646 / phytotaxa. 375.1.1","Prantl, K. A. E. (1875) Die Hymenophyllaceen. Untersuchungen zur Morphologie der Gefasskryptogamen Vol. 1. W. Engelmann Verlag, Leipzig, 71 pp.","Presl, C. B. (1843) Hymenophyllaceae. Eine botanische Abhandlung. G. Haase, Prague, 264 pp. https: // doi. org / 10.5962 / bhl. title. 627","Tindale, M. D. (1963) Pteridophyta of South Eastern Australia. Hymenophyllaceae. Contributions from the New South Wales National Herbarium Flora Series 201: 1 - 49.","Hooker, W. J. & Baker, J. G. (1868) Synopsis filicum. Hardwicke, London, 482 pp.","Kunkel, G. (1963) The Hymenophyllales of Liberia (West Africa). Nova Hedwigia 6: 209 - 217.","Roux, J. P. (2000) A new combination and new records for the flora of Malawi. Bothalia 30: 155 - 156. https: // doi. org / 10.4102 / abc. v 30 i 2.553","Ching, R. C. (1959) Hymenophyllaceae. In: Flora Reipublicae Popularis Sinicae. Vol. 2.","Taton, A. (1946) Revision des Hymenophyllacees du Congo Belge. Bulletin de la Societe Royale de Botanique de Belgique 78: 5 - 42.","Pichi Sermolli, R. E. G. (1968) Fragmenta pteridologiae I. Webbia 23: 159 - 207. https: // doi. org / 10.1080 / 00837792.1968.10669884","Roux, J. P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23: 1 - 293."]}

Phlegmariurus pseudovarius (Brownlie) Rouhan & A.R.Field, comb. nov. Basionym: Lycopodium pseudovarium Brownlie (1969: 23, t.1, f.13-15). Synonym: Huperzia pseudovaria (Brownlie) Holub (1991: 93). Type:— New Caledonia. Prov. Sud: Mont Humboldt, 1200 m, February 1872, B . Balansa 3558 (holotype P [P00523013!]). Notes:—Following the classification proposed by Field et al. (2016) and later retained by PPG I (2016), this species formerly placed in Huperzia Bernhardi (1801: 126) belongs in Phlegmariurus Holub (1964: 21). It is endemic to New Caledonia, but may possibly also occur in French Polynesia according to recent observations (J. Nitta, pers. com.). The type at P was determined in 2015 by A. Field as Phlegmariurus varius (Brown 1810: 165) A.R. Field & Bostock (2013: 49) due to the lack of the combination P. pseudovarius, and because he thought it may be a synonym of Phlegmariurus varius. More recent work provides evidence supporting P. pseudovarius as distinct, along with at least two other species in this complex (Field, unpublished data)., Published as part of Rouhan, Germinal, Boullet, Vincent, Field, Ashley & Schuettpelz, Eric, 2021, Three new combinations and one lectotypification of fern and lycophyte taxa from the French overseas territories, pp. 54-56 in Phytotaxa 497 (1) on page 55, DOI: 10.11646/phytotaxa.497.1.6, http://zenodo.org/record/5423814, {"references":["Brownlie, G. (1969) N ° 3 Pteridophytes. In: Aubreville, A. (Ed.) Flore de la Nouvelle-Caledonie et Dependances. Museum national d'Histoire naturelle, Paris, 308 pp.","Holub, J. (1991) Some taxonomic changes within Lycopodiales. Folia Geobotanica & Phytotaxonomica 26 (1): 81 - 94. https: // doi. org / 10.1007 / BF 02912943","Field, A. R., Testo, W., Bostock, P. D. B., Holtum, J. A. M. & Waycott, M. (2016) Molecular phylogenetics and the morphology of the Lycopodiaceae subfamily Huperzioideae supports three genera: Huperzia, Phlegmariurus and Phylloglossum. Molecular Phylogenetics and Evolution 94: 635 - 657. https: // doi. org / 10.1016 / j. ympev. 2015.09.024","Bernhardi, J. J. (1801) Tentamen alterum filices in genera redigenda. Journal fur die Botanik (Schrader) 1800: 121 - 136.","Holub, J. (1964) Lycopodiella, novy rod radu Lycopodiales. Preslia 36: 16 - 22.","Brown, R. (1810) Prodromus Florae Novae Hollandiae et Insulae van-Diemen, exhibens characteres plantarum quas annis 1802 - 1805 per oras utriusque insulae collegit et descripsit Robertus Brown; insertis passim aliis speciebus auctori hucusque cognitis, seu evulgatis, seu ineditis praesertim Banksianis, in primo itinere navarchi Cook detectis, 1. J. Johnson & Co., London. 590 pp. https: // doi. org / 10.5962 / bhl. title. 6720","Field, A. & Bostock, P. (2013) New and existing combinations in Palaeotropical Phlegmariurus (Lycopodiaceae) and lectotypification of the type species Phlegmariurus phlegmaria (L.) T. Sen & U. Sen. PhytoKeys 20: 33 - 51. https: // doi. org / 10.3897 / phytokeys. 20.4007"]}

Antrophyopsis gigantea (Bory) Rouhan, Boullet & Schuettp., comb. nov. Basionym: Antrophyum giganteum Bory (1833: 36) Type:— Mauritius. Le Pouce, C. Bélanger s.n. (lectotype P [P00483382!], hic designatus; isolectotypes P [P00483381!], P [P01482666!]). Notes:—This species was not included in the study of vittarioid ferns by Schuettpelz et al. (2016) and its placement in the phylogeny has yet to be assessed. Nonetheless, it is morphologically most similar to Antrophyopsis boryana (Willdenow 1810: 128) Schuettpelz (2016: 717) that was included in the molecular analysis and confirmed as belonging to Antrophyopsis (Benedict 1907: 447) Schuettpelz (2016: 717). It is distinguished from A. boryana by sessile, subelliptic to suboblanceolate fronds, but both share the generic characters, notably spherical apical cells of the soral paraphyses and ecostate laminae (i.e. lacking midribs). Although A. gigantea was described from Mauritius, it was never observed there again (Badré 2008) and is today known only from La Reunion. As there are three sheets housed at P, we designated as lectotype the sheet with complete leaves given that the base of fronds is critical for distinguishing the species; also, the same sheet bears the more complete labels., Published as part of Rouhan, Germinal, Boullet, Vincent, Field, Ashley & Schuettpelz, Eric, 2021, Three new combinations and one lectotypification of fern and lycophyte taxa from the French overseas territories, pp. 54-56 in Phytotaxa 497 (1) on page 54, DOI: 10.11646/phytotaxa.497.1.6, http://zenodo.org/record/5423814, {"references":["Bory de Saint-Vincent, J. B. G. M. (1833) Voyages aux Indes-Orientales par le nord de l'Europe: les provinces du Caucase, la Georgie, l'Armenie et la Perse, suivi de details topographiques, statistiques et autres sur les Pegot, les iles de Java, de Maurice et de Bourbon, sur le Cap-De-Bonne-Esperance et Sainte-Helene; pendant les annees 1825 - 1829, Botanique II. Paris. 192 pp.","Schuettpelz, E., Chen, S. - W., Kessler, M., Pinson, J. B., Johnson, G., Davila, A., Cochran, A. T., Huiet, L. & Pryer, K. M. (2016) A revised generic classification of vittarioid ferns (Pteridaceae) based on molecular, micromorphological, and geographic data. Taxon 65 (4): 708 - 722. http: // dx. doi. org / 10.12705 / 654.2","Willdenow, C. L. (1810) Species Plantarum. Editio Quarta, 5. Berolini [Berlin], 542 pp.","Benedict, R. C. (1907) The genus Antrophyum - I. Synopsis of subgenera, and the American species. Bulletin of the Torrey Botanical Club 34 (9): 445 - 458. https: // doi. org / 10.2307 / 2479065","Badre, F. (2008) Pteridophytes 1. Psilotacees a 26. Marsileacees. In: Bosser, J., Badre, F. & Gueho, J. (Eds.) Flore des Mascareignes - La Reunion, Maurice, Rodrigues. IRD, MSIRI, RBG-Kew, Paris. 454 pp."]}

Elaphoglossum multisquamosum Bonap. in Notes Pt��ridol. 1: 67. 1915 (Fig. 2). ��� Elaphoglossum poolii var. multisquamosum (Bonap.) Tardieu in Humbert, Fl. Madagascar 5(2): 54. 1960. Lectotypus (hic designatus): MADAGASCAR. Reg. Analamanga [Prov. Antananarivo]: �� Halfy ��, Ilafy, [18��51"S 47 ��33,5"E], I.1906, D���Alleizette 42 (P [P00466228]!). Syntypus: MADAGASCAR. Reg. Analamanga [Prov. Antananarivo]: Ambohimanga, [18��45'S 47 ��33'E], 12.VI.1905, D���Alleizette 167 (P [P00466229, P00466230]!). Rhizomes courtement rampant parfois ascendant, 3,5��� 6,5 mm de diam��tre, ramifi��s, plus ou moins glutineux, dens��ment couverts d�����cailles au moins �� l���apex (Fig. 2I, L); ��cailles du rhizome peu �� enti��rement appliqu��es (et alors non distinctes les unes des autres), ov��es �� lanc��ol��es, 2,5��� 6(���10) �� 1���2 mm, la plupart brun clair mat, scarieuses, bases cord��es, apex cun��iformes �� att��nu��s, marges subenti��res avec des glandes sessiles et des cils courts (Frondes st��riles dress��es �� ��tal��es (Fig. 2D, E), ins��r��es sur au moins deux rangs peu distincts, distantes de moins de 5 mm, longues de 8��� 47 cm. P��tioles longs de 2���16 cm, repr��sentant g��n��ralement moins de la moiti�� de la longueur de la fronde, 0,5���1,5 mm de diam��tre, dens��ment couverts d�����cailles; ��cailles du p��tiole dress��es en toutes directions, lanc��ol��es, 2���6 �� 1���1,5 mm, roux clair mat, translucides, scarieuses, bases pseudo-pelt��es, apex cun��iformes �� acumin��s, marges sub-enti��res �� cili��es avec plus de 10 cils de chaque c��t��, courts (Limbe st��rile ��troitement elliptique ou oblanc��ol��, rarement lin��aire, 6���32 �� 1,3���4 cm, base cun��iforme �� att��nu��e, apex arrondi ou aigu, texture chartac��e �� coriace, les deux faces et les marges dens��ment ��cailleuses jusqu����� masquer parfois la face inf��rieure du limbe, face sup��rieure glabrescente (Fig. 2G���H); ��cailles du limbe imbriqu��es, ov��es �� lanc��ol��es, 1,5���3 �� 0,5���1 mm, rousses, souvent blanches sur la face sup��rieure du limbe, translucides, scarieuses, base cord��e �� h��miinfundibuliforme, apex obtus, arrondi ou cun��iforme, marges cili��es avec 10���15 cils aciculaires de chaque c��t��, souvent aussi longs que la largeur du corps de l�����caille (Fig. 2A); nervure m��diane pro��minente et arrondie sur la face inf��rieure, aplatie sur la face sup��rieure; nervures lat��rales parfois l��g��rement pro��minentes sur la face inf��rieure, simples ou 1���2-bifurqu��es, libres jusqu����� leur apex. Frondes fertiles plus longues que les st��riles, atteignant 60 cm, plus ��troites Distribution et ��cologie. ��� Elaphoglossum multisquamosum est pr��sent �� Madagascar au centre et au sud (et une r��colte �� Mahajanga), dans les domaines phytog��ographiques du Centre et de l���Ouest (HUMBERT, 1955), �� 100���2650 m d���altitude. Elle pousse dans la for��t sempervirente r��siduelle, le long des cours d���eau et dans les ravins o�� elle est peu fr��quente. C���est une plante ��pilithe ou terrestre, rarement ��piphyte. A la R��union, une seule station est connue, dans le cirque de Cilaos, �� plus de 1950 m, au niveau de la Plaine aux Fraises sous le rempart des trois Salazes. La plante s���y d��veloppe sur une falaise rocheuse avec d���autres herbac��es communes des prairies d���altitude, dans une zone de transition entre ��for��t de bois de couleurs d���altitude�� (Dombeya spp.) et v��g��tation ��rico��de (Erica spp.). Selon la typologie des habitats ��Corine Biotope�� (STRASBERG et al., 2010), le code habitat [49.214] de la station est qualifi�� de for��t semi-s��che de transition vers l�����tage m��sotherme des cirques et grandes vall��es sous le vent, ��tage �� Dombeya spp. A La R��union, l���esp��ce pourrait ��tre menac��e par la pr��sence de l���exotique envahissante Erigeron karvinskianus DC. (C. Lavergne, comm. pers.). Notes. ��� Les trois sp��cimens types (deux r��coltes) repr��sentent tous la m��me esp��ce, Elaphoglossum multisquamosum, et deux portent la mention ��Original�� de la main de Bonaparte, auteur de l���esp��ce. Nous avons choisi comme lectotype le sp��cimen [P00466228] avec deux plantes fertiles. Elaphoglossum multisquamosum est polymorphe �� Madagascar, avec deux morphologies extr��mes, la premi��re �� rhizome tr��s glutineux couvert d�����cailles appliqu��es et la seconde �� rhizome peu glutineux couvert d�����cailles plut��t dress��es dont certaines pr��sentent une marge marron brillant; cependant, les interm��diaires entre ces morphologies existent. La forme de l���apex du limbe et la taille des ��cailles du limbe sont aussi variables. Sp��cimens observ��s. ��� MADAGASCAR. Reg. Alaotra-Mangoro [Prov. Toamasina]: Analanomby, for��t du N du pays Sihanaka, 2.IX.1937, Jard. Bot. 3016 (P). Reg. Amoron���i Mania Prov. Fianarantsoa]: au N d���Ambatoandrano, 7.II.2001, Andriamihajarivo 45 (P); env. d���Ambatofinandrahana, 21.II.1938, Decary 13200 (P); montagnes �� l���W d���Itremo (W Betsileo), 17.I���22.IV.1955, Humbert 28227 p.p. (P [P 00915740, P 01556626]); juste �� l���E du col d���Itremo, 26.XI.1993, Labat 2439 (P); Fiadanana, Ilaka, Ambositra, 20.III.1960, Peltier 2145 (P); Fianarantsoa, Mania, IV.1919, Perrier de la B��thie 12575 (P). Analamanga [Prov. Antananarivo]: Mandraka, III.1961, Bosser 15215 p.p. (P [P00611253]); Ambohidempona, 26.VII.1911, Colin s.n. (P); Vodivato, montagne, 5.XI.1946, Cours 3060 (P); Mandraka, VIII.1906, D���Alleizette 213 (P); Antananarivo, IX.1921, Decary s.n. (P00611275); Ambohimanga, 27.III.1921, Decary 489 (P); Tananarive (foss��s du Fort Voyron), 11.III.1928, Decary 6168 (P); Andramasina, 30 km SSE Tananarive, 17.II.1960, Leandri 3088 (P); Ambohimanga, �� 20 km de Tananarive, 1919, Raharijaona 9 (P); RS d���Ambohitantely, 8.XII.1997, Rakotondrainibe 4445 (P); for��t de la Mandraka, 17.VIII.1906, Rotereau s.n. (P [2 planches]); Tananarive, 1.IV���30.IV.1915, Waterlot s.n. (P [6 planches]). Reg. Androy [Prov. Toliara]: Ambohibe, s.d., Decary 4217 (P). Reg. Anosy [Prov. Toliara]: Mt. Itrafanaomby (Ankazondrano) et ses contreforts SW (Haut Mandrare), XII.1933, Humbert 13521 (P); massif de l���Andohahela (SE), I.1934, Humbert 13589 (P); R.N.I. d���Andohahela, versant E et sommet du Trafon���omby, 23.XI.1995, Rakotondrainibe 3186 (P [P00067309]); ibid. loco, versant du Trafon���omby, 28.XI.1995, Rakotondrainibe 3216 (P). Reg. Boeny [Prov. Mahajanga]: Mt Namiaka (Boeny E), VIII.1905, Perrier de la B��thie 7454 (P). Reg. Bongolova [Prov. Antananarivo]: for��t de Bongolava (100 km W Tsironomandidy vers Morafenobe), 17.VII.1974, Cremers 3251 (P); Mt Tsitondriana, 15.IV.1941, Jard. Bot. 4757 (P). Reg. Ihorombe [Prov. Fianarantsoa]: Andringitra, distr. Ambalavao autour du lieu-dit Anosibe, 9.V.1957, Cours 5172 (P); Andringitra, distr. Ambalavao au pied du Tsoraha, 10.V.1957, Cours 5179 (P); Pic d���Ivohibe, 23.IX.1926, Decary 5288 (P); Andringitra AP, II.1995, Goodman s.n. (P); Pic Boby, s.d., Homolle 1185 (P); Pic d���Ivohibe (Bara), 5.XI.1924, Humbert 3276 (P); ibid. loco, vall��e de la Riambava et de l���Antsifotra, 27.XII.1924, Humbert 3776 (P); massif du Kalambatitra (centre-sud), Mt. Analatsitendrika, XII.1933, Humbert 11931 (P); Pic d���Ivohibe, haute vall��e de l���Andranomainty, 23.IV.2005, Janssen 2810 p.p. (P [P00590873]); Ambalavao, Anara, R��serve d���Anja, 22.III.2006, Labat 3662 p.p. (P [P00533707]); massif d���Andringitra, IX.1911, Perrier de la B��thie 7563 (P); ibid. loco, III.1921, Perrier de la B��thie 13697 (P); RS d���Ivohibe, �� 6,5 km �� l���ESE du village d���Ivohibe, pr��s de la source de la riv. Andranomainty, 25.X.1997, Rakotondrainibe 4241 (P); ibid. loco, 25.X.1997, Rakotondrainibe 4243 (P); PN de l���Andringitra, for��t de Riambavy, 17.XI.2004, Rouhan 439 (P), Rouhan 443 (P); ibid. loco, for��t de Ramiova, 17.XI.2004, Rouhan 449 (P), Rouhan 450 (P); ibid. loco, for��t de Anjavidilava, 19.XI.2004, Rouhan 471 (P), Rouhan 472 (P), Rouhan 473 (P), Rouhan 474 (P); RS du Pic d���Ivohibe, versant S au S du sommet, for��t dite du ��plateau du Pic��, 16.XI.2011, Rouhan 1397 (P). Reg. Itasy [Prov. Antananarivo]: Ankaratra, Antsahapandrano, 10.II.1942, Decary 17638 (P); Massif de l���Ankaratra, XII.1913, Perrier de la B��thie 7613 (P); Ankaratra, IV.1980, Proisy 225 (P); for��t de Manjakatompo, versant E de l���Ankaratra, VII.1953, Service Forestier 58 (P). Reg. Vakinankaratra [Prov. Antananarivo]: summit Ibity, 5.II.2003, Birkinshaw 1193 (P); Manjakatompo, versant SE, 10.XI.1983, Rakotondrainibe 766 (P); sur la cr��te du Mt Ibity, 21.XI.1912, Viguier 1453 (P); massif du Vakinankaratra, 25.XI.1912, Viguier 1615bis (P); ibid. loco, coteaux bois��s pr��s de Tsinjoarivo, 30.XI.1912, Viguier 1884 (P). Reg. Vatovavy-Fitovinany [Prov. Fianarantsoa]: Ambohimanga Sud, V.1980, Proisy 249 (P). Sine loco: 19.IX.1917, D���Alleizette 212m p.p. (P [P00611279]); s.d., Homolle 1243 (P). LA R��UNION: Cirque de Cilaos, plaine aux Fraises sous l���arr��te des Salazes, 29.V.2010, Robert 1335 (P, herbier priv�� Y. Robert)., Published as part of Robert, Yannis, Thomas, Hermann, Tamon, Jean Maurice & Rouhan, Germinal, 2021, D��couverte �� La R��union de Elaphoglossum multisquamosum (Dryopteridaceae), connue jusqu'alors comme end��mique de Madagascar, pp. 99-104 in Candollea 76 (1) on pages 102-103, DOI: 10.15553/c2021v761a10, http://zenodo.org/record/5683845, {"references":["HUMBERT, H. (1955). Les territoires phytogeographiques de Madagascar. Annee Biol. 31: 439 - 448.","STRASBERG, D., J. DUPONT & J. - C. RAMEAU (2010). Typologie des milieux naturels et des habitats de La Reunion, 2000. DIREN Reunion / Universite de la Reunion. [Revision de fevrier 2010 par F. Picot & M. Saliman]."]}

International audience; A species of the fern genus Elaphoglossum Schott ex J. Sm. (Dryopteridaceae) has been discovered in La Réunion. It is ascribed to Elaphoglossum multisquamosum Bonap., described and known so far as endemic to Madagascar. Taking advantage of this new record, Elaphoglossum multisquamosum is reinstated as a species distinct from the Malagasy endemic Elaphoglossum poolii (Baker) Christ. Morphologically close to Elaphoglossum poolii that is often observed in sympatry in Madagascar, Elaphoglossum multisquamosum has often been treated as a variety of Elaphoglossum poolii or even placed in synonymy of the latter species. We provide a novel, fully detailed description of Elaphoglossum multisquamosum, all critical characters supporting it as distinct from Elaphoglossum poolii, and a comparative map of distribution for the two species in Madagascar and La Réunion. Finally, the name Elaphoglossum multisquamosum is lectotypified.; Une espèce de fougère du genre Elaphoglossum Schott ex J. Sm. (Dryopteridaceae) a été découverte à La Réunion et identifiéecomme Elaphoglossum multisquamosum Bonap., décrite et connue jusqu’alors comme endémique de Madagascar.A l’occasion de cette découverte, Elaphoglossum multisquamosum est confirmée comme une espèce distincte de l’endémiquemalgache Elaphoglossum poolii (Baker) Christ. Morphologiquement proche de Elaphoglossum poolii qui se trouvesouvent en sympatrie à Madagascar, Elaphoglossum multisquamosum a ainsi souvent été considérée au rang variétal deElaphoglossum poolii ou même placée en synonymie de cette dernière. Nous fournissons une nouvelle description morphologiquedétaillée de Elaphoglossum multisquamosum, tous les caractères nécessaires la soutenant comme distincte deElaphoglossum poolii, ainsi qu’une carte de répartition comparative pour les deux espèces à Madagascar et à La Réunion.Enfin, le nom Elaphoglossum multisquamosum est lectotypifié.

Rouhan, Germinal, Boullet, Vincent, Field, Ashley, Schuettpelz, Eric (2021): Three new combinations and one lectotypification of fern and lycophyte taxa from the French overseas territories. Phytotaxa 497 (1): 54-56, DOI: 10.11646/phytotaxa.497.1.6, URL: http://dx.doi.org/10.11646/phytotaxa.497.1.6