The spermatozoid of Zamia chigua Seem. Botanical gazette: 138 (4) 409-412, 1977
The Spermatozoid of Zamia chigua Seem. Botanical Gazette 138(4): 409-412, 1977
The spermatozoid of zamia chigua. Botanical Gazette 138(4): 409-412, 1977
N and K fertilization of Florida coontie, Zamia integrifolia Ait. HortScience 13(4): 438-439, 1978
Induction of apogamy in megagameto-phytes of Zamia integrifolia. Amer J Bot 52(10): 993-999, 1965