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Summary: The following eight generic names are recommended for conservation: Camptopteris with a conserved type, Clathropteris against Meniscites, Dictyophyllum against Quercites, Eristophyton against Ullmannites, Leptopteris C. Presl against Leptopteris Brongn., Lonchopteris with a conserved type, Otozamites against Otopteris, and Pirea Vavrdová against Pirea T. Durand. The following two species names are recommended for conservation: Glyptolepis keuperiana with a conserved type and Palaeospathe daemonorops against Chamaerops teutonica. The Committee supports the addition of A. Richard's 1822 publication to the list of suppressed works. The Committee judged the descriptive statement associated with "Rhyniales Němejc" to not be adequate for valid publication. [ABSTRACT FROM AUTHOR]

Summary: The following five generic names are recommended for conservation: Bulbostylis against Nemum, Lorinseria C. Presl against Lorinsera Opiz, Pirea Vavrdová against Pirea T. Durand, Selaginella against Didiclis, and Senega against Senegaria, Anthallogea, Corymbula, Leptrochia, Pylostachya, and Sexilia. The following two generic names are not recommended for conservation because the proposed action is considered to be unnecessary: Hoodia against "Monothylaceum" and Chiropetalum against Desfontaena. The subgeneric name Littorella subg. Xamotris is recommended for rejection. The following 16 species names are recommended for conservation: Allium rotundum with conserved type, Arctotis calendula against A. tristis, Cereus eriophorus with conserved type, Commelina erecta with conserved type, Costus globosus against C. roxburghii, Grewia asiatica with conserved type, Grewia tiliifolia against G. damine, Hedyotis pentandra Schumach. against H. pentandra (Retz.) Forsyth f., Lycopodium intermedium against L. atroviride, Polypodium parasiticum with conserved type, Scabiosa caucasica with conserved type and against S. caucasea, Senecio peregrinus with conserved type, Senecio saluenensis with conserved type, Thymus glabrescens with conserved type and against T. odoratissimus, Veronica capitata Royle ex Benth. against V. capitata Fisch. ex Colla, and Veronica minuta C.A. Mey. against V. minuta Krock. The following four species names are not recommended for conservation: Citrosma schottiana against C. umbellata, Neuracanthus sphaerostachyus against N. lawii (because action is considered to be unnecessary), Ophioglossum parvifolium with conserved type, and Salix wallichiana against S. disperma. The following 11 species names are recommended for rejection: Arctotis ludwigii, Carex wazmanni, Limonium oleifolium, Littorella flexuosa, Littorella spicata, Poa amabilis, Poa virginica, Salsola caroliniana, Selaginella flagellifera, Solanum frutescens, and Tradescantia decora. The species name Potamogeton nerviger is not recommended for rejection. It is recommended that Scilla L. and Squilla Steinh. not be treated as homonyms. The Committee recommends against making a binding decision on whether Kalanchoe rosea and K. rosei, or Oxalis kuhlmannii and O. kollmannii, should be treated as homonyms, considering them not confusable. The Committee also recommends that Desfontainia Ruiz & Pav. and Desfontaena Vell. and Lorinsera Opiz and Lorinseria C. Presl be treated as homonyms. [ABSTRACT FROM AUTHOR]

When the International Fossil Plant Names Index (IFPNI; http://ifpni.org/) was established in 2014 as a global registry of scientific names of fossil organisms covered by the I International Code of Nomenclature for algae, fungi, and plants i ( I ICN i ; Turland & al. in Regnum Veg. 2017) illustrates the situation where a fossil-genus name now applied to a fossil charophycean alga was originally described as a fossil animal prior to the starting-point of palaeobotanical nomenclature (1820, the starting-point for fossil nomenclature in the I ICN i , Art. Numerous such names were treated as available under the I ICZN i without fully referenced basionyms or replaced synonyms, in contradiction to the requirement of I ICN i Art. If a taxon originally assigned to a group not covered by this I Code i is treated as belonging to the algae or fungi, any of its names need satisfy only the requirements of the relevant other I Code i that the author was using for status equivalent to valid publication under this I Code i (but see Art. [Extracted from the article]

Summary: Dr Sandra Knapp has been appointed as President for the Nomenclature Section at the XX IBC to be held in Madrid in July 2024 and Dr John Wiersema's appointment as Vice‐rapporteur has been approved. Decisions of the General Committee are reported on proposals and requests in Report 71 of the Permanent Nomenclature Committee for Vascular Plants (NCVP), Reports 21 and 22 of the Permanent Nomenclature Committee for Algae (NCA), Report 14 of the Permanent Nomenclature Committee for Fossils (NCFoss), as well as proposal (1960) from NCVP Report 63. The GC also considered various procedural matters: (1) voting by committee members on their own proposals; (2) definition of a "simple majority" and the potential use of a quorum; (3) two‐step voting on requests for binding decision; (4) date of authorization of binding decisions and suppression proposals. [ABSTRACT FROM AUTHOR]

Summary: Decisions of the General Committee are reported on proposals and requests in Reports 62 and 72 of the Permanent Nomenclature Committee for Vascular Plants (NCVP), Report 23 of the Permanent Nomenclature Committee for Algae (NCA), and Report 15 of the Permanent Nomenclature Committee for Fossils (NCFoss). [ABSTRACT FROM AUTHOR]

As currently delimited, the Brassicaceae comprise 49 tribes, 321 genera, and 3660 species. Of these, 20 genera and 34 species remain to be assigned to tribes. These figures differ substantially from those estimated five years ago, in which 25 tribes, 338 genera, and 3709 species were recognized. Of those 338 genera, 37 are treated herein as synonyms, and 21 genera (10 re-established and 11 new) have since been added. The genera Notothlaspi, Peltariopsis, Sinapidendron, and Xerodraba are lectotypified. The following 11 taxa are reduced for the first time to synonymy of what follows them in parentheses: Boreava and Tauscheria (Isatis), Catadysia (Weberbauera), Coelophragmus (Dryopetalon), Crambeae (Brassiceae), Eremodraba (Neuontobotrys), Leavenworthieae (Cardamineae), Lexarzanthe (Romanschulzia), Noccaeopsis (Noccaea), Romanschulzia orizabae (R. arabiformis), and Sibaropsis (Streptanthus). The new names Isatis zarrei and I. quadrialata are proposed to avoid the creation of later homonyms upon the transfers to Isatis of the herein lectotypified Boreava orientalis and Sameraria nummularia, respectively. Twenty-seven new combinations are proposed: Abdra aprica, Camelinopsis kurdica, Dryopetalon auriculatum, Isatis aptera, I. cardiocarpa, I. glastifolia, I. gymnocarpa, Neuontobotrys intricatissima, N. schulzii, Noccaea apterocarpa, N. caespitosa, N. iberidea, N. oppositifolia, Onuris hauthalii, Parlatoria taurica, Petroraveniafriesii, P. werder-mannii, Streptanthus barnebyi, S. cooperi, S. hammittii, Tomostima araboides, T. australis, T. cuneifolia, T. platycarpa, T. rep-tans, T. sortorae, and Weberbauera rosulans. [ABSTRACT FROM AUTHOR]