Author:
Fowler,K.
Year:
1975
Title:
An escape mechanism for Spermatozoids in Azolla massulae.
Reference:
Fowler,K. (1975) An escape mechanism for Spermatozoids in Azolla massulae. American Fern Journal Vol. 65 # 1 P. 7- 10
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Genus Species Country(Region) From To
Azolla Azolla indica Nd Nd
Azolla Azolla primaeva Nd Nd
Azolla Azolla prisca England(Isle of Wight) Early Oligocene