SEXUAL REPRODUCTION IN EPHEDRA NEVADENSIS (EPHEDRACEAE): FURTHER EVIDENCE OF DOUBLE FERTILIZATION IN A NONFLOWERING SEED PLANT

1990 ◽  
Vol 77 (12) ◽  
pp. 1582-1598 ◽  
Author(s):  
William E. Friedman
Author(s):  
Ekaterina A. Volkova

Identification of Spirogyra species is based on the morphology of the fertile specimens. This work provides characteristics of growth and the time of reproduction of Spirogyra decimina var. juergensii in Lake Baikal and describes sexual reproduction and conditions for germination of new filaments of this species isolated from the lake.


1994 ◽  
Vol 60 (1) ◽  
pp. 125-126 ◽  
Author(s):  
Akira Ouchi ◽  
Satoshi Aida ◽  
Takuji Uchida ◽  
Tsuneo Honjo
Keyword(s):  

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