Results 51 to 60 of about 554 (127)

Photomorphogenesis in a new aquatic fungus Blastocladiella britannica [PDF]

open access: yes, 1965
Thesis (Ph.D.)--Michigan State University.
Horenstein, Evelyn Anne
core   +2 more sources

Cytological Investigations of Eremosphaera viridis de Bary [PDF]

open access: yes, 1977
Eremosphaera viridis de Bary was studied with light microscope techniques to determine the method of cytokinesis and to explain the ontogeny of the membranous ring separating the mature daughter cells in the intact sporangium.
Valentino, Richard Allen
core   +3 more sources

Epidermology of European Pteridophytes [PDF]

open access: yes
A definition of epidermology, a historical background, a method to prepare fern leaflets and a computer program to make measurements are given. A more general formula to calculate cell dimensions for plants with a particular genome and polyploidisation ...
Viane, R.L.L.
core  

Paleobotany Supports the Floating Mat Model for the Origin of Carboniferous Coal Beds [PDF]

open access: yes, 2018
A review of the history of the debate on origin of Carboniferous coal shows the priority that autochthonists have placed on paleobotanical data and interpretation.
Austin, Steven A., Sanders, Roger W.
core   +1 more source

The Radiomycetaceae (Mucorales; Zygomycetes). Calcium Oxalate Crystals on the Sporangiolar Wall and Aerial Hyphae [PDF]

open access: yes, 1988
Calcium oxalate crystals occur on the sporangiolar appendages and aerial hyphae of the two known genera (Hesseltinella, Radiomyces) of the mucoralean family Radiomycetaceae.
Benny, G. L., Khan, S. R.
core   +1 more source

Nuevo recuento cromosómico para Blechnum hastatum (Blechnaceae-Pteridophyta), con un estudio de la ontogenia y tipos de leptoporangios adultos [PDF]

open access: yes, 2014
Se da a conocer un nuevo recuento cromosómico para Blechnum hastatum y se presenta un análisis de la ontogenia del leptosporangio en ese taxón y en B. occidentale, así como una comparación con leptosporangios adultos de otras especies y subespecies del ...
González, Graciela Esther   +2 more
core   +2 more sources

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