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Epidermology of European Pteridophytes [PDF]

open access: yes, 1988
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 factor ''P'' is presented.
openaire  

Life cycles of European Pteridophytes [PDF]

open access: yes
Although the need for water for fertilization restricts the distribution of pteridophytes, some are able to persist in remarkably dry situations.
Bell, P.R.
core  

Taxonomic diversity of green plants (Viridiplantae) in the Caatinga Phytogeographic Domain: a study supported by environmental licensing. [PDF]

open access: yesBiodivers Data J
Cotarelli VM   +6 more
europepmc   +1 more source

The PteridoPortal: A publicly accessible collection of over three million records of extant and extinct pteridophytes. [PDF]

open access: yesAppl Plant Sci
Rothfels CJ   +67 more
europepmc   +1 more source

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