Results 41 to 50 of about 7,115 (254)
SEM Studies on Vessels in Ferns. 18. Montane Cheilanthoid Ferns (Pteridaceae) of North America [PDF]
, 2000 Xylem of roots and rhizomes of five species of four genera of tribe Cheilantheae (Pteridaceae; recently recognized by some as a segregate family, Cheilanthaceae) has been studied by means of scanning electron microscopy (SEM).
Carlquist, Sherwin, Schneider, Edward L.
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Rodriguésia, 2023 Pteris has numerous representatives of Asian and Oceanic origin naturalized in America, some of them recognized as invasive weeds. Pteris ensiformis was introduced in America in the middle of the 19th century and subsequently naturalized in USA and ...
A. Yañez +4 more
semanticscholar +1 more source
An overlooked or elusive species? Adiantum raddianum (Pteridaceae), a new record for Honduran Flora
Rodriguésia, 2023 Adiantum raddianum is reported as a new record for the Honduran Flora. This new occurrence of A. raddianum closes a gap of distribution between Guatemala and Nicaragua.
Ali Valencia Rubio +1 more
semanticscholar +1 more source
Revision of monotypic genus Llavea (Cryptogrammoideae: Pteridaceae)
Anales del Jardín Botánico de Madrid, 2016 Llavea Lag. is a genus of Cryptogrammoideae (Pteridaceae), whose only species is distributed from southern United States and Mexico to Guatemala and Costa Rica, although it lives mainly in Mesoamerica, inhabiting preferably calcicolous habitats ...
Mónica Palacios-Rios +2 more
doaj +1 more source
A linear sequence of extant families and genera of lycophytes and ferns [PDF]
, 2011 Throughout the history of the classification of extant ferns (monilophytes) and lycophytes, familial and generic concepts have been in great flux. For the organisation of lycophytes and ferns in herbaria, books, checklists, indices and spore banks and on
Christenhusz, Maarten +2 more
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American-Eurasian journal of botany, 2021 PREMISE Xeric environments impose major constraints on the fern life cycle, yet many lineages overcome these limitations by evolving apomixis. Here, we synthesize studies of apomixis in ferns and present an evidence-based model for the evolution and ...
Amanda L. Grusz +5 more
semanticscholar +1 more source
Identifikasi Tumbuhan Paku (Pteridophyta) sebagai Bahan Ajar Botani Tumbuhan Rendah di Kawasan Tahura Pocut Meurah Intan Kabupaten Aceh Besar [PDF]
, 2017 Telah dilakukan penelitian tentang Identifikasi Tumbuhan Paku (Pteridophyta) Sebagai Bahan Ajar Botani Tumbuhan Rendah di Kawasan Taman Hutan Raya Po Cut Meurah Intan Kabupaten Aceh Besar, Penelitian dilakukan pada tanggal 05 s.d 07 November 2014 ...
Armi, A. (Armi) +2 more
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Taxonomic investigation of monilophytes from North Waziristan Tribal District KP, Pakistan
International Journal of Applied and Experimental BiologyFloristic surveys and assessment of relationships between species richness and elevational gradients help in developing more efficient conserving strategies for biodiversity under climate change. North Waziristan Tribal District (NWD) has been identified
Tariq Aziz, Alia Gul, Jan Alam
doaj +1 more source
Chromosome number and reproductive mode of some Pteris species (Pteridaceae) in Thailand
Biodiversitas Journal of Biological Diversity, 2022 . Limpanasittichai P, Jaruwattanaphan T. 2022. Chromosome number and reproductive mode of some Pteris species (Pteridaceae) in Thailand. Biodiversitas 23: 3285-3296. The fern genus Pteris L. (Pteridaceae) consists of 329 species. This genus is one of the
Ponpipat Limpanasittichai +1 more
semanticscholar +1 more source
Epidermal studies in medicinal ferns and lycophytes from Córdoba Province, Argentina [PDF]
, 2011 (Estudios epidérmicos en helechos y licófitas medicinales de Provincia de Córdoba, Argentina). Se realiza un análisis epidérmico de los órganos vegetativos y reproductivos de 28 helechos y licófitas medicinales, que crecen en Córdoba (Argentina).
Barboza, Gloria Estela +2 more
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