共 60 条
[1]
AFZELIUS B. M., 1956, GRANA PALYNOL, V1, P22
[2]
AUDRAN J-C, 1976, Pollen et Spores, V18, P5
[3]
AUDRAN J-C, 1970, Pollen et Spores, V12, P485
[4]
AUDRAN JC, 1978, ANN U ARERS REIMS, V15, P1
[5]
Chamberlain C.J., 1935, GYMNOSPERMS STRUCTUR
[6]
Hybrids in cycads - Contributions from the Hull Botanical Laboratory 348
[J].
BOTANICAL GAZETTE,
1926, 81 (1-4)
:401-418
[8]
CHAMBERLAIN CJ, 1943, UNPUB TAXONOMIC MONO
[9]
CHAMBERLAIN CJ, 1919, LIVING CYCADS
[10]
Crane P. R., 1986, POLLEN SPORES FORM F, P179