共 5 条
[1]
Bopp M., 1953, Z BOT, V41, P1
[2]
GORTON BERT S., 1957, BOT GAZ, V119, P31, DOI 10.1086/335957
[3]
HURELPY G, 1953, CR SOC BIOL, V147, P34
[5]
MITRA GC, 1958, THESIS U MANCHESTER