The district Cooch Behar of West Bengal, India is considered a unique zone for pteridophytes. The Whisk Fern Psilotum nudum (Family Psilotaceae), one of the primitive members of living vascular plants considering its age of evolution during the Devonian,
Aninda Mandal
semanticscholar +3 more sources
Cyathea fabiolae (Cyatheaceae, Polypodiopsida), a new scaly tree fern from the northern Andes
A new species of Cyathea is described for Peru and Ecuador. The new species differs from congeners by a combination of traits including glabrescent and scurfless mature axes abaxially, concolorous orange-brown petiole scales, winged costae, and lack of ...
Adrian Tejedor +3 more
semanticscholar +3 more sources
Notas nomenclaturais em Aspleniaceae (Polypodiopsida) ocorrentes no Brasil [PDF]
Resumo Como parte do estudo taxonômico das Aspleniaceae da flora brasileira, são designados nove lectótipos e propostos sete sinônimos novos. É apresentada uma combinação nova, Asplenium balansae (Baker) Sylvestre e duas mudanças de status, Asplenium ...
Lana da Silva Sylvestre
doaj +3 more sources
DIVERSITY AND DISTRIBUTION OF THE THELYPTERIDACEAE (POLYPODIOPSIDA) IN PAKISTAN
The present taxonomic study of Thelypteridaceae (Polypodiopsida) in Pakistan is based on the study of fern specimens in 15 herbaria in Asia, Europe and USA.
M. Irfan, S. Fawcett
semanticscholar +2 more sources
Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda
: The checklist comprises 208 species and two varieties of Lycopodiopsida and Polypodiopsida. All historic literature records, mainly from Brause & Hieronymus (1910) and Pichi Sermolli (1983, 1985) have been revised.
Eberhard Fischer, W. Lobin
semanticscholar +2 more sources
Catálogo de las Licofitas (Lycopodiopsida) y Helechos (Polypodiopsida) nativos de Chile
Las Lycopodiopsida (licófitas) y Polypodiopsida (helechos), conocidos clásicamente como “pteridofitos”, juntos representan los primeros linajes vivientes de plantas con un sistema vascular en el esporofito.
Javian G. Gallardo-Valdivia +3 more
doaj +2 more sources
Gametophytic phase of "Doryopteris triphylla" (Pteridaceae, Polypodiopsida).
Gametophytes of the Pteridaceae are moderately well known but there is still a quite large set of species to describe. Among these is Doryopteris triphylla, a member of the cheilanthoid clade (subgroup hemionitids). The main objective of this work is to describe the gametophyte of D. triphylla.
Andrea Seral +1 more
openalex +6 more sources
Hymenophyllaceae (Polypodiopsida) na Mesorregião Metropolitana de Belém, Estado do Pará, Brasil [PDF]
ResumoHymenophyllaceae (Polypodiopsida) na Mesorregião Metropolitana de Belém, estado do Pará, Brasil. No Brasil, bem como na Amazônia brasileira, a maioria das informações referentes a Hymenophyllaceae está contida em inventários florísticos, sendo ...
Gisele Teixeira +1 more
doaj +3 more sources
The fern family Gleicheniaceae (Polypodiopsida) in Brazil
We carried out a taxonomic study of the leptosporangiate fern family Gleicheniaceae (Polypodiopsida) in Brazil out and accepted 17 species distributed in three genera. Taxonomic descriptions to the whole family, genera and species are provided, as well as keys to the genera and species, synonymies, maps, illustrations, and notes.
Lucas Vieira Lima, Alexandre Salino
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(121) Request for a binding decision on whether Platoloma Raf. (Spermatopsida: Brassicaceae) and Platyloma J. Sm. (Polypodiopsida: Pteridaceae) are sufficiently alike to be confused [PDF]
Zhen‐Long Liang, Li‐Bing Zhang
semanticscholar +2 more sources

