Results 71 to 80 of about 9,814 (224)
The Anatomical Record, Volume 309, Issue 1, Page 5-32, January 2026.Abstract Hybodontiformes was a diverse, successful, and important group of shark‐like chondrichthyans known from a variety of ecosystems. Some representatives of the order had a wide palaeogeographic distribution, as is the case with Priohybodus arambourgi. With a multicuspidate crown, P. arambourgi was the first hybodontiform to develop fully serrated
Estevan Eltink +5 more
wiley +1 more source
Acta Botânica Brasílica, 2015 This study surveyed lycophyte and fern species in four forest fragments in western Paraná, Brazil, and compared them to 15 other fragments with different plant formations from the Atlantic Forest biome in southern Brazil. In total, five lycophyte species
Mayara Lautert +3 more
doaj +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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Genus Ophioglossum L., from Western Part of India with Special Reference to Gujarat State
Notulae Scientia Biologicae, 2018 The genus Ophioglossum L. is revised for the Gujarat state and there were reported eight species viz. Ophioglossum costatum R. Br., O. gramineum Willd., O. gujaratense SM Patil, RN Kachhiyapatel, R Patel and KS Rajput, O. lusitanicum L., O. reticulatum L.
Ronak N. KACHHIYAPATEL +3 more
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Keys to species and varieties of ferns and fern allies of northeastern North America [PDF]
, 1940 The following key is aimed at enabling students to determine the species and varieties of pteridophytes given by Broun for northeastern North America..
Friesner, Ray C.
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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
wiley +1 more source
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
Stipe anatomical studies on selected pteridophytes of South India [PDF]
, 2016 Present study is based on the stipe anatomy of 13 selected species of pteridophytes of South India.
Resmi, S. +2 more
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Plant Direct, Volume 10, Issue 1, January 2026.ABSTRACT In vascular plants, genes in the plastid genome are transcribed by two types of RNA polymerases, namely, phage‐type nuclear‐encoded and bacterial‐type plastid‐encoded plastid RNA polymerases (NEP and PEP, respectively). Eudicots, including Arabidopsis, carry two isoforms of NEP, RPOTp and RPOTmp.
Yushi Kurotaki +4 more
wiley +1 more source
Use of Landsat and SRTM Data to Detect Broad-Scale Biodiversity Patterns in Northwestern Amazonia
Remote Sensing, 2012 Vegetation maps are the starting point for the design of protected areas and regional conservation plans. Accurate vegetation maps are missing for much of Amazonia, preventing the development of effective and compelling conservation strategies.
Alfonso Alonso +6 more
doaj +1 more source