Results 61 to 70 of about 22,540 (244)
Checklist of European Pteridophytes. [PDF]
Sommerfeltia, 1987 Abstract This is the first comprehensive checklist of European pteridophytes produced from the computerised relational database originally set up by the European Taxonomic, Floristic and Biosystematic Documentation System. The place of publication, full synonymy and distribution of 329 accepted taxa are given.
L. N. Derrick, A. C. Jermy, A. M. Paul
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, 2015 This paper presents morphological descriptions and ecological data of cryptogam spores and other non-pollen palynomorphs from Quaternary sediments of Campos Basin, Rio de Janeiro, SE Brazil.
Aline Goncalves de Freitas +4 more
semanticscholar +1 more source
Tetrataenium manilalianum, a new species of Apiaceae from the Western Ghats, Kerala, India
Nordic Journal of Botany, Volume 2026, Issue 1, January 2026.A new species, Tetrataenium manilalianum C.Rekha, Amruth., Manudev and Sujana sp. nov. (Apiaceae) is described from Kerala, India. The new species appears to be similar to T. sprengelianum (Wight and Arn.) Manden., but it differs in several morphological features, including plant height, leaf and leaflet size and shape, number and size of rays ...
Rekha Chappan +3 more
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Complete chloroplast genome of Isoetes sinensis, an endemic fern in China
Mitochondrial DNA. Part B. Resources, 2019 Isoetes sinensis is the only aquatic pteridophyte in China with high research value of phylogeny. It is in endangered status. A conservation strategy is therefore imperative for this endangered pteridophyte.
YaCong Xie +4 more
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Reseña del libro: Pteridophyte flora of Oaxaca, Mexico.
Botanical Sciences, 1990 -
Ramón Riba
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Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico [PDF]
, 2015 Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State ...
Martínez Hernández, Enrique +2 more
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Nordic Journal of Botany, Volume 2026, Issue 1, January 2026.We carefully observed the submicroscopic structural characteristics of the hairs of the stipe, rachis, costae, fronds and indusia of 15 species of Hypodematium from China and photographed them under an anatomical microscope and scanning electron microscope (SEM).
Xiaojuan Li, Chao Zhang, Jianxiu Li
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Frontiers in Plant ScienceAllopolyploidization often leads to disruptive conflicts among more than two sets of subgenomes, leading to genomic modifications and changes in gene expression.
Natsu Katayama +5 more
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A Survey on the Pteridophyte Flora of the 18 Selected Sacred Groves in Chalavara Grama Panchayath, Palakkad District, Kerala [PDF]
, 2018 An exploratory survey conducted on Pteridophytic flora in the 18 selected sacred groves of Chalavara Grama panchayath, Ottapalamtaluk, Palakkad district, Kerala lead to the collection of 26 species of pteridophytes coming under 20 genera and 14 ...
K, P. K. (Praveen), S, U. P. (Udayan)
core
Pteridophyte Aerospora of India [PDF]
Grana, 1988 Abstract Spores belonging to 43 taxa of pteridophytes were observed from the ambient air of 11 localities in India. It is suggested that pteridophyte spores could be listed among viable particulate air pollutants, especially in the light of the earlier reports regarding their allergenicity.
null Yasmeen, Jaswant Singh, Santha Devi
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