共 13 条
[1]
BACKEBERG C, 1958, CACTACEAE I
[2]
BACKEBERG C, 1935, KAKTUSABC GYLDENDALS
[3]
BAILEY I. W., 1962, Journal of the Arnold Arboretum, V43, P376
[4]
BAILEY I. W., 1961, Journal of the Arnold Arboretum, V42, P144
[5]
BAILEY I. W., 1964, Journal of the Arnold Arboretum, P374
[6]
Berger A., 1926, ENTWICKLUNGSLINIEN K
[10]
BUXBAUM F, 1955, MORPHOLOGY CACTI FRU