共 15 条
[2]
BRIAN PW, 1957, ENDEAVOUR, V16, P161
[3]
Britton NL, 1963, CACTACEAE, V1
[4]
Chapman D.G., 1970, ELEMENTARY PROBABILI
[5]
Correll D. S., 1970, RHODORA, V72, P533
[9]
ULTRASTRUCTURE OF POLLEN OF OPUNTIA-POLYACANTHA
[J].
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE,
1974, 52 (02)
:313-&