Results 71 to 80 of about 915 (166)

PTERIDOPHYTA-ADIANTACEAE

open access: yesBothalia: African Biodiversity & Conservation, 1993
A NEW CYTOTYPE FOR  ACROSTICHUM ...
J. P. Roux
doaj   +1 more source

PTERIDOPHYTA: POLYPODIACEAE

open access: yesBothalia: African Biodiversity & Conservation, 2010
THE STATUS OF x PLEOPODIUM IN ...
N. R. Crouch, R. R. Klopper, H. F. Glen
doaj   +1 more source

Distributional data for the Pteridophyta in Zambia

open access: yesActa Societatis Botanicorum Poloniae, 2015
477 records on the occurrence of 144 species of the Pteridophyta in each of Zambia's eight provinces are presented, 213 of them being additions to those contained in Schelpe's account in Flora Zambesiaca (1970).
Jan Kornaś
doaj   +1 more source

FLORA DA ESTAÇÃO BIOLÓGICA DE BORACEIA - LISTAGEM DE ESPÉCIES

open access: yesRevista do Instituto Florestal, 1989
E apresentada uma lista de espé­cies de Pteridophyta, Gymnospermae e An­giospermae, da Estação Biológica de Bo­racéia, localizada no municipio de Sale­sópolis (23º38´S e 45º52'w), região nor­te da Serra do Mar, Estado de São Paulo.
Alcebiades Custodio Filho
doaj   +1 more source

Morfogénesis de la fase sexual de seis especies mexicanas del género Dryopteris (Dryopteridaceae): Parte II

open access: yesRevista de Biología Tropical, 2001
Se describe y se compara la morfogénesis de la fase sexual de seis especies mexicanas de Dryopteris. Las esporas de todas las especies estudiadas son monoletes y elipsoidales, la perina es plegada, de color pardo claro a pardo obscuro, su superficie es ...
Blanca Pérez-García   +3 more
doaj  

Pteridophyta

open access: yes, 1962
Epiphytic or usually terrestrial ferns with a short fleshy rhizome bearing only one or a few, mostly fleshy, leaves, these erect, petiolate, continuous with the rhizome, the lamina usually divided into a sterile and a stalked fertile portion; veins free or reticulate.
openaire   +1 more source

Morfología de los estados inmaduros y adulto de Pinnaspis aspidistrae (Hemiptera: Diaspididae), con notas sobre su biología Morphology of the immature stages and adult of Pinnaspis aspidistrae (Hemiptera: Diaspididae) with notes on its biology

open access: yesRevista de la Sociedad Entomológica Argentina, 2003
Se describen e ilustran los estados inmaduros y el macho adulto de Pinnaspis aspidistrae (Signoret), hasta el presente desconocidos. Las plantas huéspedes registradas en este trabajo fueron una especie de Pteridophyta y 12 de Angiospermae.
María Inés Zamar, Lucía E. Claps
doaj  

On medullation in the Pteridophyta

open access: yes, 1911
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

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