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Recent phylogenetic studies have suggested that the monotypic Fokienia A.Henry & H.H.Thomas is nested within Chamaecyparis Spach, which is in agreement with separate morphological studies. Here the authors confirm a previous taxonomic treatment that incorporated Fokienia hodginsii (Dunn) A.Henry & H.H.Thomas into Chamaecyparis based on the monophyly requirement of taxonomy, i.e. Chamaecyparis hodginsii (Dunn) Rushforth. In addition, the type collection of the basionym Cupressus hodginsii Dunn was found to contain three sheets of specimens, one in K including a vegetative branch (K000088294) and a separate ovulate cone (K001090486), a second one in A (A00022477), and a third one in IBSC (IBSC0016081). All three specimens are marked with Hongkong Herbarium No. 3505, but only the two specimens in K and IBSC possess similar handwriting of “Cupressus hodginsii Dunn”. The two specimens should be considered as syntypes according to the Shenzhen Code. The specimen in K is better preserved but it is a mixture according to the collection label: cones from Foochow (Fuzhou) and foliage from Yenping (Nanping). We lectotypified the name Cupressus hodginsii with K000088294 because the specimen is well preserved and has enough characters for identification. Moreover, an ovulate cone (K001090486) is on the same sheet.

Talaromyces minioluteus belongs to the section Trachyspermi, has a worldwide distribution and has been found on various substrates, especially on various (stored) food commodities and indoor environments. This species is phenotypically and phylogenetically closely related to T. chongqingensis and T. minnesotensis. The phylogenetic and morphological analyses of 37 strains previously identified as T. chongqingensis, T. minnesotensis and T. minioluteus revealed that this clade incudes eight species: the accepted species T. chongqingensis, T. minnesotensis and T. minioluteus, the newly proposed species T. calidominioluteus, T. africanus and T. germanicus, and the new combinations T. gaditanus (basionym Penicillium gaditanum) and T. samsonii (basionym Penicillium samsonii). In this study, we give insight of the phylogenetic relationships and provide detailed descriptions of the species belonging to this clade. Macromorphological features, especially colony growth rates, texture and conidial colors on agar media, are important characters for phenotypic differentiation between species.

The type specimen and date of publication of the basionym for each of Neomyrtus pedunculata (Hook.f.) Allan and its synonym Neomyrtus vitis-idaea (Raoul) Burret are clarified to establish that the ...

Habrosia (Sagineae, Caryophyllaceae) is a genus that includes only H. spinuliflora, a species occurring in Iran, Iraq, Syria, Lebanon, and Turkey (Irano-Turanian floristic chorological element). Based on the available molecular data published in 2011, Habrosia appears to be nested in a Minuartia-clade, which includes taxa currently recognized under the genus Sabulina. Consequently, Habrosia should be treated as a genus to be included in Sabulina. However, the molecular tree published in 2011 considered only 9 Sabulina members whereas, according to the current concept, Sabulina is a genus comprising about 65 species. Unfortunately, the molecular phylogeny including a larger Sabulina sample published in 2014 did not include H. spinuliflora and the taxonomic position of Habrosia remains, therefore, uncertain. With the aim of verifying the correct position of Habrosia in the tribe Sagineae with respect to its relationship to Sabulina, a comprehensive molecular investigation based on ITS sequences, linked to detailed morphological data, is presented. The results obtained revealed that Habrosia is not part of Sabulina. A detailed description of H. spinuliflora, its ecological preference, and a distribution map are provided. Eventually, the name Arenaria spinulifolia (basionym of H. spinuliflora) is lectotypified on a specimen preserved at G (barcode G00212963).

Indobanalia thyrsiflora is an endemic species occurring in peninsular India (Andhra Pradesh, Karnataka, Kerala and Tamil Nadu States) and Sri Lanka. A nomenclatural study of the basionym Banalia thyrsiflora, published by Moquin-Tandon in Candolle’s Prodromus (year 1849), is carried out and the name is lectotypified on a specimen deposited at P (barcode P00609924); isolectotypes are traced at K and CAL. A preliminary morphological characterization of the species is also given, based on field surveys and examination of herbarium specimens. We noted that I. thyrsiflora is highly variable. However, we prefer to avoid, for the moment, taxonomic conclusions about the various morphotypes found, waiting the complete results of this ongoing morphological and molecular investigations.

As part of the ongoing revision of Rhynchosia Lour. lectotype of Rhynchosia suaveolens and its basionym viz. Glycine suaveolens is designated. Another two heterotypic synonym Hedysarum venosum and Cajanus suaveolens are also lectotypified.

While describing the species Tetracyclus hinziae I. Bishop & Spaulding (2015, p. 200), it was noticed that the basionym and type specimens of the similar species Tetracyclus rupestre was unclear. This short note addresses those concerns.

The names Erysimum bicorne (basionym of Notoceras bicorne), Notoceras hispanicum, and Diceratium prostratum are discussed. A specimen preserved at BM and collected by Francis Masson in 1778 in Canary Islands (Spain) was indicated as the type of N. bicorne. This specimen at BM is the only original material found for this name. However, as cannot exclude that there were more than one specimen of this taxon, we consider this specimen in this work as the lectotype of the name, admitting that the specimen might well be the holotype of N. bicorne. A plant collected by Mariano Lagasca y Segura in 1819 in Orihuela (Alicante province, Spain) and preserved at G (G-DC) is designated as the neotype of Diceratium prostratum. Finally, the name Notoceras hispanicum published by Candolle in 1821 is an illegitimate name because it was nomenclaturally superfluous when published.

Isodon (Schrad. ex Bentham 1832: 40) Spach (1840: 162), belonging to the family Lamiaceae, comprises about 100 species (Chen et al. 2016). Formerly, the species of this genus were included in the genus Plectranthus L’Héritier (1788: 84). In this article, we are designating the lectotype for Plectranthus kurzii Prain (1890: 296) and Plectranthus nilgherricus Bentham (1848: 57), basionyms of Isodon kurzii (Prain) Hara (1985: 234) and Isodon nilgherricus (Benth.) Hara (1985: 236), respectively. The lectotypification of Plectranthus nilgherricus is a second-step lectotypification as per Art. 9. 17 of the ICN (Turland et al. 2018).

Several names belonging to the Sesleria sect. Argenteae (Poaceae) were discussed in this paper and, where necessary, typified. Lectotypes were designated for the names Sesleria nitida var. brevidentata, S. nitida var. intermedia, S. nitida var. tenoreana f. macrostachya, and S. nitida var. tenoreana f. visianii. Neotypes were designated for the names Sesleria nitida var. tenoreana s.s. and S. nitida var. de-gasperiana. Synonyms were proposed for the following names (accepted names in brackets): S. feretrana (= S. italica), S. italica subsp. mariculensis (= S. italica), S. nitida var. brevidentata (= S. vaginalis), S. nitida var. candae (= S. italica), S. nitida var. intermedia (= S. robusta), S. nitida var. tenoreana f. visianii (= S. italica), and S. nitida var. tenoreana f. macrostachya (= S. italica). As regards Sesleria nitida var. de-gasperiana and S. nitida var. sancti-marinii, they were confirmed as synonyms of S. pichiana. Due to the extremely limited number of herbarium specimens available, we could not confirm the taxonomic autonomy of S. nitida var. pulchella (basionym of the taxon currently accepted as S. pulchella) and consider it as a preliminary synonym of Sesleria italica.

Phenakospermum guyannense is the only native species of Strelitziaceae in South America and occurs in the Amazon domain in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela. The species presents a negative sampling bias, probably due to the great effort necessary to collect it, as it presents long leaves and coriaceous bracts. In the course of the studies for the monograph of Strelitziaceae for Flora do Brasil 2020 project and with an increase in plant collecting in Maranhão state, Brazil, we have detected two necessary adjustments to the knowledge of the species: 1) lectotypification of the basionym Urania guyannensis described by L.C.M. Richard and 2) reevaluation of the geographic distribution of the species, highlighting new records for the Brazilian Northeast region. Both issues are addressed here. Additionally, we present a description, a preliminary conservation status, a distribution map and notes on the ecology of the species.

We provide typifications and taxonomic notes for Neomarica humilis and some related species, to retain the taxonomic stability in Neomarica (Trimezieae, Iridaceae). We recognize Cypella humilis, the basionym of N. humilis, as a replacement name for the illegitimate Marica humilis, and N. vittata as a superfluous illegitimate name. We discuss the identity of the material cited by Klatt for C. humilis and designate a lectotype for M. humilis. In addition, we designate a neotype for N. occidentalis and a lectotype for N. portosecurensis. Furthermore, we distinguish N. humilis from the taxonomically related N. brachypus¸ N. northiana, and N. portosecurensis. All four species are illustrated.

Lectotypes for Dioscorea nummularia var. belophylla [the basionym of Dioscorea belophylla], D. kalkapershadii, D. oppositifolia and D. velutipes are designated.

Tripleurospermum heterolepis (? Chamaemelum heterolepis), whose specimens are referred to as syntypes, is a narrow Turkish endemic species assessed as Critically Endangered according to the IUCN categories. Tripleurospermum tempskyanum (? Chamaemelum tempskyanum) is known as endemic to Greece, but is also distributed in Turkey. In this study, the name C. heterolepis is lectotypified on a specimen deposited at LD. Additionally, a description of T. tempskyanum in the Turkish flora is presented, and its conservation status is indicated. The diagnostic morphological characters which distinguish T. tempskyanum from its close relatives are discussed.

Two varieties, Trigonostemon viridissimus var. chatterjii (Deb & Deka) N.P.Balakr. & Chakrab. and T. viridissimus var. confertifolius N.P.Balakr. & N.G.Nair, recently merged with the species are reinstated herein. This article also points out the first effective lectotypifications of seven accepted names (or their basionyms) in Indo-Burmese Trigonostemon Blume and their subsequent superfluous new lectotypifications. These include Trigonostemon diplotetalus Thwaites, T. heteranthus Wight, T. longifolius Baill., T. nemoralis Thwaites, Baliospermum reidioides Kurz [basionym of T. reidioides (Kurz) Craib], Clutia semperflorens Roxb. [basionym of T. semperflorens (Roxb.) Müll.Arg.], and Sabia viridissima Kurz [basionym of T. viridissimus (Kurz) Airy Shaw].

During the preparation of a taxonomic revision of Rhynchospora sect. Longirostres, we found several scientific names that needed to be lectotypified or neotypified. In addition, Rhynchospora amazonica subsp. guianensis is being recognized at the level of species and requires a new name, Rhynchospora rionegrensis. This species is described and illustrated and differs from R. amazonica by its lateral and terminal, generally turbinate inflorescences, brown spikelet scales, loose fascicles, and longer stylopodium. Lectotypes are chosen for Calyptrostylis longirostris (the basionym of R. rionegrensis), R. amazonica, and R. macrostachya, and a neotype chosen for R. stenocarpa.

The previously invalidly published combination Iranecio jurineifolius (Boiss. & Balansa) C.Jeffrey is here validated by citing the complete and correct details for the basionym. This species is morphologically similar to I. hypochionaeus and I. eriospermus, but differs from both by its scapiform stem, much reduced cauline leaves, solitary capitula and a greater number of calycular bracts. In addition, the current lectotypification of the species name is rejected.

Appendicularia is a neotropical genus of annual herbs, currently with four accepted species after a recent inclusion of three species that were formerly placed in Ernestia. However, during nomenclatural studies on Marcetieae, we observed that the combination A. rubra was mistaken, since its basionym Ernestia rubra belongs to the clade “Ernestia incertae sedis”. Here we exclude A. rubra from the genus, reinstating it to Ernestia, and consequently recognizing Appendicularia with three species. The type collections and nomenclatural comments are provided, as well as lectotypifications for A. thymifolia and E. rubra. Finally, Brachypremna has been listed as a synonym under Ernestia by previous treatments, but is synonymized here under Appendicularia.

The nomenclatural types of Celastrus senegalensis Lam., basionym of the current name Maytenus senegalensis (Lam.) Exell, and C. europaeus Boiss., basionym of M. senegalensis subsp. europaea (Boiss.) Rivas Martínez ex Güemes & M.B. Crespo (Celastraceae, Celastroideae), are discussed. A specimen preserved in the herbarium P, at the Museum national d’Histoire naturelle of Paris, is treated in this work as the neotype of M. senegalensis, and a specimen kept in the herbarium G, at the Conservatoire et Jardin botaniques of Genève, is designated as the lectotype of M. senegalensis subsp. europea.

Trisetopsis, a genus of temperate C3 grasses, extends from the Arabian Peninsula southwards along the African mountains (temperate Afromontane Region) to sub-Saharan Africa and Madagascar, with a centre of diversity in southern Africa. A taxonomic treatment of Trisetopsis in the Flora of southern Africa (FSA) region is presented. The proposed classification is based on existing and comparative evidence derived from macromorphology, micromorphology, leaf anatomy, DNA sequences and geographical distribution. Fourteen species of Trisetopsis are recognized in the FSA region, all of them endemic to the region. Five of the species are rare; based on IUCN Red List categories and criteria, three species are considered “Vulnerable”, one as “Endangered, and one as “Critically Endangered” and probably “Extinct”. Improved and emended species descriptions, a key to the species, updated distribution maps and illustrations, especially of the spikelets, are provided. Lectotypes are designated for the names Avenastrum longum var. grande and Avena longa (basionym of Trisetopsis longa).

Two of the four currently recognised species of Phymatolithon in South Africa are P. repandum (type locality: Half Moon Bay, Port Philip Bay, Victoria, Australia) and P. ferox (type locality: Natal, KwaZulu-Natal, South Africa). Partial rbcL sequences of the lectotype of P. repandum and the holotype of P. ferox demonstrate that the former is not present in South Africa and does not belong in Phymatolithon, whereas the latter belongs in Phymatolithon, but that the name has been misapplied in South Africa. The correct name for the species, currently called P. repandum in South Africa, is P. ferox. Partial rbcL and psbA sequences of two of the current heterotypic synonyms of P. ferox, Lithothamnion prolixum and Lithothamnion prolixum f. plicatum, show that they are conspecific and do not belong in Phymatolithon. Lithothamnion prolixum is the basionym for the species currently, but incorrectly, called P. ferox in South Africa. Phymatolithon repandum and L. prolixum belong in an as yet undescribed genus. All heterotypic synonyms of currently recognised names of non-geniculate corallines that were placed in synonymy based on morpho-anatomy should not be accepted until confirmed by DNA sequencing.

In 1859, William Mitten described Stereodon nemoralis (≡ Plagiothecium nemorale) based on the gathering of Sir J.D. Hooker from India. However, the protologue did not indicate any specific specimen or illustration. For the past 50 years, the original material (NY 913349) deposited at the NY Herbarium has been considered as the holotype. However, this assumption has since been found to be incorrect, because in the Herbarium of The Natural History Museum exists other original material of this species (BM 1030713), collected by Hooker. In addition, the specimen from NY Herbarium is in poor condition and its most important diagnostic characters are not visible. In contrast, the material from BM Herbarium is in very good condition, and therefore it is herein designated as the lectotype. Also, the paper describes the resolution of this type, a process complicated by changes that had occurred in the provisions of subsequent botanical Codes.

Strawberry plants showing symptoms of leaf spots and petiole lesions were collected from El Qalubya governorate, which is one of the most famous areas that extensively grows strawberry in Egypt. The objectives of this study were to isolate and characterize the causal pathogen of the disease. The isolated pathogen was identified as Paramyrothecium roridum (formerly known as Myrothecium roridum) based on its morphological characteristics and sequencing the partial rDNA internal transcribed spacer (ITS). A pathogenicity test using detached leaf assay revealed that P. roridum is a potential pathogen of strawberry. Symptoms started as small necrotic areas which expanded rapidly to macerate whole leaflets and petioles. In advanced stages of infection, dark olive green sporodochia were clearly distinguished on the infected tissues. Six strawberry cultivars showed different levels of susceptibility to P. roridum. Florida was the most resistant cultivar while Beauty, Camarosa, Fortuna and Sweet Charlie were susceptible. Festival showed a moderate level of susceptibility. An in vitro assay on the effect of the liquid culture filtrate of P. roridum on strawberry leaves showed that the filtrate caused damage to tissues and clear necrotic symptoms were developed. High performance liquid chromatograph (HPLC) analysis on the filtrate of 10 day old P. roridum culture revealed the presence of various mycotoxins. The two major toxins detected were 8-alpha-hydroxyroridin H and myrothecin A in addition to other trichothecenes. Data also revealed the capability of P. roridum to produce polygalacturonase (PG) and cellulase (Cx) enzymes in liquid cultures. The activity of PG was found to be significantly correlated with the age of the growth culture. This is the first record of P. roridum on strawberry in Egypt.

The species Mallotus aureopunctatus, M. beddomei and M. lawii are merged under the variable and widespread M. resinosus. A second-step neotype is designated for the name Adelia resinosa while lectotypes are designated for M. beddomei and Rottlera aureopunctata.

The names Erigeron dubius, E. montevidensis, E. resinosus, and E. filiformis (Asteraceae) are investigated. Specimens from Kurt Sprengel’s private herbarium, kept at the Paris Herbarium (P), are designated as lectotypes. Erigeron dubius and E. resinosus are currently recognized under Hysterionica, whereas E. montevidensis and E. filiformis are treated under Neja. Based on the original material, Erigeron dubius and E. resinosus are proposed as new heterotypic synonyms of Hysterionica nidorelloides, having equal nomenclatural priority over the latter, therefore I here propose a nomenclatural transfer as Hysterionica resinosa comb. nov. (≡ E. resinosus). Erigeron montevidensis is proposed as a new heterotypic synonym of Neja filiformis, whose basionym is E. filiformis. Additionally, lectotypes for the names Neja gracilis and N. linearifolia are designated.

Salvia transsylvanica is regarded to be endemic to the Transylvanian Basin, Eastern and Southern Carpathians in Romania. In natural habitats, it easily intercrosses with other sage species, such as S. nemorosa, S. nutans, and S. pratensis, with the hybrids described as nothospecies S. ×hybrida, S. ×telekiana, and S. ×bichigeanii, respectively. One specimen from GOET is designated here as a lectotype of S. pratensis var. transsylvanica, the basionym of S. transsylvanica. In addition, three specimens from LW, BP, and BUCA are designated as the lectotypes for hybrid names. Main diagnostic features of S. transsylvanica, its hybrids, and respective second parental species are compared and discussed.

The conservation status of Hieracium apheles P. D. Sell (Asteraceae), Hepste hawkweed has been assessed. A lectotype for the basionym H. septentrionale Arv.-Touv. var. simplex Ley has been designated. It is a rare endemic restricted to the Hepste Glen in the Brecon Beacons (v.c. 42), Wales. Only one population of five plants is known it is assessed as ‘Critically Endangered’ under IUCN (2001) threat criteria.

Some taxonomic groups impose the need to use continuous morphological characteristics in taxon delimitation, and the grass genus Sorghastrum is a clear case of this necessity. Sorghastrum canescens was described based on the length of its awns. However, insufficient and scattered sampling has obscured the identity of this species for at least 137 years, while it was considered synonym of S. incompletum var. incompletum. In this study we evaluate statistical differences in the original and current morphological concepts of S. canescens using analysis of variance and posterior pairwise comparison of means and medians. We also retrieved the nomenclatural history of the binomial S. canescens to clarify possible errors in the synonymization of this species. All the statistical evidence refutes the hypothesis that S. canescens is a synonym of S. incompletum var. incompletum. Historical data revealed an error in the identification of the correct basionym of S. canescens and this error has been repeated in several taxonomic revisions. We were also able to establish an approximate date for the type-collection of S. canescens. We therefore propose the reestablishment of the name Sorghastrum canescens and provide morphological descriptions and illustration of this species.

The name Caroxylon articulatum, basionym of Hammada articulata, and based on the illegitimate name “Salsola articula Cav.” is typified from a specimen collected by A.J. Cavanilles in Elda (Alicante, Spain) in 1791.

Here, we publish Lepisorus sect. Paragramma (Blume) C.F. Zhao, R. Wei & X.C. Zhang as a combinatio nova to replace the section name in Zhao et al. (2020), which was published as a status nova and turned out to be an invalid name, because we cited an incorrect basionym. A revised infrageneric classification of Lepisorus also is proposed.

The proposed name at new rank ‘Kalanchoe brevicalyx’ (Raymond-Hamet & Perrier de la Bâthie 1915: 88) L.Allorge (in Boiteau & Allorge-Boiteau 1995: 133) (Crassulaceae subfam. Kalanchooideae) was not validly published as a full and direct reference to the place of valid publication of the basionym, K. pinnata var. brevicalyx Raymond-Hamet & Perrier de la Bâthie (1915: 88), with page or plate reference and date, was not clearly indicated (Turland et al. 2018: Art. 41.5). We here validly publish the new combination and status.

Micromeria Bentham (1829: sub t. 1282) (Lamiaceae) is a monophyletic and taxonomically intricate genus, represented by nearly 70 species. These are distributed from the Macaronesian-Mediterranean region to southern Africa, India, and China (Morales 1991b, Govaerts 1999, Harley et al. 2004, Bräuchler et al. 2005, 2008; Puppo & Meimberg 2015, Puppo et al. 2014, 2015).

Pleurostomatida Schewiakoff, 1896 is a cosmopolitan order of ciliates. In the present study, we investigated two new pleurostomatid species, Apolitonotus lynni gen. et sp. nov. and Protolitonotus clampi sp. nov., with state-of-the-art methods. Apolitonotus lynni lacks its oral extrusomes and its right kineties form an anterior semi-suture near the dorsal margin. Based on these two features, the new genus Apolitonotus was established within the Protolitonotidae Wu et al., 2017. Protolitonotus clampi differs from its congeners by its size of 80-130 × 15-30 μm, 4-6 left, and 9-11 right kineties, extrusomes arranged along the oral slit, and two macronuclear nodules. Because Litonotus antarcticus possesses an anterior semi-suture and oral extrusomes, it was transferred to the genus Protolitonotus, becoming P. antarctius comb. nov. (basionym Litonotus antarcticus Song and Wilbert, 2002). Phylogenetic analyses based on SSU rDNA sequences suggest a sister group relationship of P. clampi and the family Kentrophyllidae, and A. lynni is adelphotaxon to Litonotus gracilis, both within the order Pleurostomatida. Based on the new findings, an improved diagnosis for Protolitonotus was also provided.

A corrected type designation for the name Lophozonia heterocarpa Turcz. (now accepted either as L. obliqua or Nothofagus obliqua) is provided; this name is the type of Lophozonia Turcz. recently proposed to be taxonomically restored as a genus segregated from Nothofagus sensu lato. The specimen from the Turczaninow historical herbarium at KW annotated by Turczaninow is considered to be the holotype because it has been explicitly stated in the protologue that the description of L. heterocarpa, as well as those of other taxa in that publication, were based on specimens (holotypes or syntypes) from Turczaninow’s personal herbarium, now held in KW. The specimen from LE previously designated as the lectotype is corrected to isotype since it is a duplicate of the holotype from KW. Digital images of the holotype (KW) and isotype (LE) of L. heterocarpa are provided. Three other isotypes are known in E and K herbaria. It is also demonstrated that the lectotype of Fagus obliqua Mirb. (the basionym of Nothofagus obliqua and Lophozonia obliqua) was cited by Vásquez & Rodíguez in 1999 precisely enough to distinguish it from three other specimens in P also collected by Dombey in Chile. Thus, despite the presence of four duplicates in P, no second-step lectotypification is needed.

A phylogenetic analysis of combined rDNA LSU and ITS sequence data was carried out to determine the phylogenetic placement of specimens identified as Pseudotryblidium neesii. The species forms a distinct clade within Dermateaceae (Helotiales, Leotiomycetes) with Rhizodermea veluwiensis and two Dermea species. The geographical distribution of this species, previously known only from Europe on Abies alba, is extended to north-western North America where it grows exclusively on A. grandis. The name P. neesii is lectotypified in order to disentangle the complicated nomenclature of the species. A new, detailed description of P. neesii with illustrations is provided after comparison of sequenced specimens with the type material. Furthermore, the new combination Pseudographis rufonigra (basionym Peziza rufonigra) is made for a fungus previously known as Pseudographis pinicola.

A taxonomic revision of the genus Geissospermum Allemão (Apocynaceae) is provided. Identification key, descriptions and illustrations of the species are presented, as well as data on geographical distribution and taxonomic comments. The following species are recognized: G. argenteum, G. reticulatum, G. sericeum, G. urceolatum and G. vellosoi. Geissospermum fuscum and G. laeve are synonymized in G. sericeum and G. vellosoi, respectively. After a careful analysis of the protologues of G. laeve and G. vellosoi, we concluded that the basionym for the type species of the genus is Tabernaemontana laevis, for which a lectotype was elected. Leaf blade indumenta characters were particularly useful for species recognition.

Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (Compositae: Astereae: Machaerantherinae) is illustrated and described. The full synonymy of this monospecific North American genus is provided together with the location of known type material and relevant comments made where applicable. The Conservation Status of the species is considered LC (Least Concern), as previous listings in California are shown to refer to Corethrogyne filaginifolia (Hook. & Arn.) var. incana (Lindl.) D.R. Morgan & R.L. Hartman, which is now considered a synonym of the rather variable Dieteria canescens (Pursh) Nutt. The taxonomic placement of Diplopappus incanus Lindl. is discussed, and a synonymy has been provided for Dieteria canescens subsp. canescens var. incana (Lindl.) D.R. Morgan & R.L. Hartman, of which it is the basionym. The location of the probable holotype of Diplopappus leucophyllus Lindl. ex DC. is discussed, together with the relevance of material mounted on a Kew sheet.

Three new genera Coppinsidea, Vandenboomia and Wolseleyidea are described and the genera Ivanpisutia, Lecaniella and Myrionora are resurrected on the basis of a phylogenetic analysisof multi-locus sequence data of the Ramalinaceae including the nuclear protein-codingmarker rpb2, the internal transcribed spacer and a fragment of the small mitochondrialsubunit. The genus Hertelidea was positioned within the Ramalina clade of the phylogenetic tree of the Ramalinaceae. Bacidia sipmanii, Phyllopsora chlorophaea, P. castaneocincta and Ramalina subbreviuscula were recorded from South Korea for the first time here confirming by molecular data, too.Forty-eight new combinations are proposed: Bacidia alnetorum (basionym: Biatoraalnetorum S. Ekman et Tonsberg), Biatora amazonica (basionym: Phyllopsora amazonica Kistenich et Timdal), Biatora cuyabensis (basionym: Lecidea cuyabensis Malme), Biatora halei (basionym: Pannaria halei Tuck.), Biatora kalbii (basionym: Phyllopsora kalbii Brako), Biatora subhispidula (basionym: Psoroma subhispidulum Nyl.), Coppinsidea alba (basionym: Catillaria alba Coppins et Vězda), Coppinsidea aphana (basionym: Lecidea aphana Nyl.), Coppinsidea croatica (basionym: Catillaria croatica Zahlbr.), Coppinsidea fuscoviridis (basionym: Bilimbia fuscoviridis Anzi), Coppinsidea pallens (basionym: Bilimbia pallens Kullh.), Coppinsidea ropalosporoides(basionym: Gyalidea ropalosporoides S. Y. Kondr., L. Lőkos et J.-S. Hur), Coppinsidea scotinodes (basionym: Lecidea scotinodes Nyl.), Coppinsidea sphaerella (basionym: Lecidea sphaerella Hedl.), Ivanpisutia hypophaea (basionym: Biatora hypophaea Printzen et Tonsberg), Ivanpisutia ocelliformis (basionym: Lecidea ocelliformis Nyl.), Lecaniella belgica (basionym: Lecania belgica van den Boom et Reese Naesb.), Lecaniella cyrtellina (basionym: Lecanora cyrtellina Nyl.), Lecaniella dubitans (basionym: Lecidea dubitans Nyl.), Lecaniella erysibe (basionym: Lichenerysibe Ach.), Lecaniella hutchinsiae (basionym: Lecanora hutchinsiae Nyl.), Lecaniella naegelii(basionym: Biatora naegelii Hepp), Lecaniella prasinoides (basionym: Lecania prasinoides Elenkin), Lecaniella sylvestris (basionym: Biatora sylvestris Arnold), Lecaniella tenera (basionym: Scoliciosporum tenerum Lonnr.), Mycobilimbia albohyalina (basionym: Lecidea anomala f. albohyalina Nyl.), Mycobilimbia cinchonarum (basionym: Triclinum cinchonarum Fee), Mycobilimbia concinna (basionym: Phyllopsora concinna Kistenich et Timdal), Mycobilimbia ramea (basionym:Bacidina ramea S. Ekman), Mycobilimbia siamensis (basionym: Phyllopsora siamensisKistenich et Timdal), Myrionora australis (basionym: Biatora australis Rodr. Flakus et Printzen), Myrionora ementiens (basionym: Lecidea ementiens Nyl.), Myrionora flavopunctata (basionym: Lecanora flavopunctata Tonsberg), Myrionora globulosa (basionym: Lecidea globulosa Florke), Myrionora hemipolia (basionym: Lecidea arceutina f. hemipolia Nyl.), Myrionora lignimollis (basionym: Biatora ligni-mollis T. Sprib. et Printzen), Myrionora malcolmii (basionym: Phyllopsora malcolmii Vězda et Kalb), Myrionora vacciniicola (basionym: Lecidea vacciniicola Tonsberg), Phyllopsora agonimioides (basionym: Coenogonium agonimioides J. P. Halda, S.-O. Oh et J.-S. Hur), Phyllopsora sunchonensis (basionym: Agonimia sunchonensis S. Y. Kondr. etJ.-S. Hur), Vandenboomia chlorotiza (basionym: Lecidea chlorotiza Nyl.), Vandenboomia falcata (basionym: Lecania falcata van den Boom, M. Brand, Coppins, Magain et Serus.), Wolseleyidea africana (basionym: Phyllopsora africana Timdal et Krog), Wolseleyidea byssiseda (basionym: Lecidea byssiseda Nyl. ex Hue), Wolseleyidea canoumbrina (basionym: Lecidea canoumbrina Vain.), Wolseleyidea furfurella (basionym: Phyllopsora furfurella Kistenich et Timdal), Wolseleyidea ochroxantha (basionym: Lecidea ochroxantha Nyl.), and Wolseleyidea swinscowii (basionym: Phyllopsora swinscowii Timdal et Krog). The combination Biatora longispora (Degel.)Lendemer et Printzen is validated here. The new names Biatora vezdana for Lecaniafurfuracea Vĕzda and Coppinsidea vainioana for Lecidea sphaeroidiza Vain. are proposed. The phenomenon of presence of ‘extraneous mycobiont DNA’ in lichen association, i.e. DNA, belonging neither to mycobiont nor photobiont or to endophytic fungi is for the first time illustrated. So the presence of nrITS and mtSSU sequences of crustose lichen Coppinsidea ropalosporoides in thalli of crustose Verrucaria margacea and foliose Kashiwadia orientalis, as well as nrITS of Phyllopsora sp. KoLRI in Agonimia pacifica and Biatora longispora, or nrITS and mtSSU of Biatora longispora in thalli of Agonimia pacifica, Oxneriopsis oxneri and Pyxine limbulata, Ivanpisutia oxneri in thalli of Rinodina xanthophaea, etc. is documented. Scarce cases of presence of ‘extraneous mycobiont DNA’ in representatives of the Teloschistaceae, Physciaceae known from literature data are discussed, too.

Taxonomic treatments of Pilosocereus in the Andean and Caribbean regions have varied widely. Recent authors often recognized three species only (P. lanuginosus, P. polygonus, and P. royenii), while Britton & Rose in 1920 (sub Cephalocereus) recognized 18 species in the same region. A revision of Pilosocereus is necessary, and it was carried out by the study of both herbarium specimens and living plants. Twelve species of Pilosocereus are recognized in the present paper for the Andean and Caribbean regions, including one new combination, i.e. P. curtisii, and one new species, i.e. P. jamaicensis. Typifications are provided for several names, including the Linnaean basionym Cactus royenii. Morphological descriptions, distributions, and an identification key of the recognized species are provided.

The new combination Salsola strobilifera is proposed for the morphologically remarkable Australian taxon originally described by Bentham as S. kali var. strobilifera (basionym). The latter name is lectotypified on a specimen from K (barcode K000899590) that was collected in New South Wales by Beckler during the Burke and Wills Victoria Exploring Expedition of 1860–1861, and was studied by Bentham for his Flora Australiensis. Earlier taxonomic treatments and other studies of “strobiliferous” native Australian plants (having short ovoid to almost globular strobile-like terminal inflorescences which are easily broken off at maturity) are briefly discussed and summarized. Judging from available morphological and partly molecular evidence, there are at least two “strobiliferous” morphotypes in Australia, one probably more closely related to S. australis sensu stricto and another more similar to S. sabrinae (= S. tragus subsp. grandiflora). It is concluded that Salsola sensu stricto is represented in Australia and adjacent islands by several (four or five, probably more) rather distinct native taxa that should be better recognized as separate species. On the basis of their morphological distinctiveness, these taxa are comparable to many other currently recognized Eurasian ones. The presence of Eurasian alien species also cannot be excluded. The need for a comprehensive study of Australian taxa of Salsola is emphasized.

A review of the Leguminosae Cesalpinioideae growing naturally in the territory of Santa Fe province, Argentina, is presented as a contribution to the study of the flora of this province. A total of 19 species belonging to 9 genera are included. The following taxa are excluded from the flora of Santa Fe: Senna aphylla (Cav.) H.S. Irwin & Barneby y Senna spectabilis (DC.) H. S. Irwin & Barneby. For each genus, keys for the recognition of its species are provided. For each taxon, the following items are included: the correct name acceted by the botanical community and, when applicable, its basionym; vernacular names, a reference specimen, habitat, iconography, geographical distribution and ecological and phenological observations. Como contribución al estudio de la fl ora de Santa Fe, se presenta la revisión sinóptica de las Leguminosas Cesalpinioideas que crecen espontáneamente en el territorio de esta provincia. En total se incluyen 19 especies distribuidas en 9 géneros. Los siguientes taxones: Senna aphylla (Cav.) H.S. Irwin & Barneby y Senna spectabilis (DC.) H. S. Irwin & Barneby, son excluidos de esta fl ora. Para cada género se proporcionan claves que permiten el reconocimiento de sus especies. Para cada taxón se incluye su nombre correcto aceptado por la comunidad botánica y, cuando corresponde, su basónimo; nombres vernáculos, ejemplares de referencia, hábito, iconografía, distribución geográfi ca y observaciones fenológicas y ecológicas.

—Christisonia kwangtungensis is a new combination proposed in this study on the basis of both molecular and morphological evidence. The basionym, Gleadovia kwangtungensis, was subsumed into Christisonia hookeri by Zhang in 1986. Because the type material of C. hookeri lacks important diagnostic characters and no fresh materials from Sikkim were available, Chinese plants with white flowers were conservatively treated as C. sinensis. Phylogenetic analyses showed that samples of G. kwangtungensis from the type locality on Danxia Mountain were monophyletic and sister to a clade including the reciprocally monophyletic C. sinensis and C. siamensis. Moreover, morphological comparisons showed that C. kwangtungensis differs from C. sinensis by having a conspicuously inflated (vs. scarcely inflated) corolla and clustered hairs in the throat of the corolla (vs. hairs scattered throughout the interior of the corolla). Further, C. kwangtungensis differs from both C. sinensis and C. siamensis by the length and color of the corolla.

Maytenus species bearing fruits with a coriaceous pericarp that open by two valves and having seeds that are completely covered by a white aril are currently placed in the genus Monteverdia. One hundred and twenty-three combinations have been proposed following these two diagnostic characters. However, according to Art. 41.5 of the International Code of Nomenclature for algae, fungi and plants, one of these combinations has not been validly published. The validation of the combination Monteverdia psammophila is provided here through the presentation of the complete citation of its basionym.

The name Cotyledon clavifolia Haw., basionym of Adromischus cristatus (Haw.) Lem. var. clavifolius (Haw.) Toelken (Crassulaceae subfam. Kalanchooideae; A. sect. Longipedunculati Poelln.), is lectotypified on a Thomas Duncanson plate held at the Royal Botanic Gardens, Kew. Previous lectotypifications of the name C. clavifolia were not effective. An amplified description is provided for the variety, and it is here recorded from a location northwest of East London.

In this study, we introduce a novel genus, Paraeutypella, of the family Diatrypaceae comprising three species viz. Paraeutypella guizhouensis sp. nov. and P. citricola (basionym: Eutypella citricola) and P. vitis (basionym: Sphaeria vitis). Diatrypella longiasca sp. nov. is also introduced, which forms a distinct clade in Diatrypella sensu stricto. The discovery of this new genus will contribute to expanding the knowledge and taxonomic framework of Diatrypaceae (Xylariales). Generic delimitations in Diatrypaceae are unsettled because the phylogeny has yet to be resolved using extensive taxon sampling and sequencing of ex-type cultures. During an investigation of xylarialean fungi, we collected eutypella-like fungi which is distinct from Eutypella sensu stricto in our phylogenetic analyses (ITS and β-tubulin), thus, introduced as Paraeutypella guizhouensis gen. et sp. nov.. Paraeutypella is characterised by having 4–25 perithecia in a stroma each with 3–6 sulcate, long ostiolar necks. Paraeutypella citricola comb. nov. (basionym: Eutypella citricola) is introduced on Acer sp. from China. Diatrypella longiasca sp. nov. is introduced as a new species in Diatrypella sensu stricto. which has 2–5 ascomata per stroma and long ascospores, unusual when compared to other Diatrypella species and distinct phylogenetically.

International audience; The neotypiication of Opuntia australis F.A.C.Weber, basionym of Pterocactus australis (F.A.C.Weber) Backeb., is made here thanks to the discovery of Weber’s personal notes about it, and of two notebooks containing respectively a drawing and a short description of that plant, both made at the time of its irst collection in 1882. Outlined as well is the poorly documented scientiic expedition that made this irst discovery and the cultivation of an early plant by F.E. Schlumberger on Weber’s behalf. A Weber’s note conirms he knew the mentioned illustration. A herbarium specimen from the same gathering has been found, but it cannot be considered original material since there is no evidence that it was seen by Weber. However, this specimen is here designated as epitype.

International audience; Non‐geniculate coralline algae are difficult to identify based solely on morpho‐anatomy. To address the systematics of several taxonomically challenging taxa, we analyzed DNA sequences of a short portion (118‐296 base pairs) of the 3’ end of the rbcL gene from three type specimens. The analyses revealed that Harveylithon munitum (basionym: Lithophyllum munitum), described in 1906 from Cave Cays, Exuma Chain, Bahamas, is conspecific with both Goniolithon accretum and Goniolithon affine, described in 1906 from Sand Key, Florida and in 1907 from Culebra Island, Puerto Rico, respectively. L. munitum and G. accretum were described in the same 1906 publication and have equal priority. We have selected the currently accepted and most commonly used name H. munitum to apply to this entity. Comparative analyses of rbcL, psbA, UPA, COI, and LSU sequences from contemporary field‐collected specimens revealed that H. munitum currently inhabits mesophotic rhodolith beds in the northwestern Gulf of Mexico, as well as the intertidal zone in the Florida Keys, Honduras, Atlantic Mexico, Caribbean Panama, and Guadeloupe, French West Indies. Species delimitation analyses reveal that the Western Atlantic and Australian H. munitum populations may be separate species. Two new species of Harveylithon from the northwestern Gulf of Mexico and one new species from the southwestern Gulf of Mexico, the Caribbean, and the Red Sea were also identified in the analyses and are described.

Various author citations for the African species Abutilon bidentatum are usually used. According to the International Code of Nomenclature, its basionym was effectively and validly published on the printed labels of the Schimper exsiccata Iter Abyssinicum II n. 1003 and the type must be chosen accordingly. Cover: (c) Ina Dinter - www.centralafricanplants.org