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pro vyhledávání: '"Sanna E. Simán"'
Autor:
Sanna E. Simán, Elizabeth Sheffield
Publikováno v:
American Fern Journal. 92:30-38
In their natural environments pteridophytes usually have regular sporing periods, the onset of which is triggered by the interaction of climatic and nutritional factors. Little, however, is known about what changes there may be in the sporing behavio