共 23 条
[4]
DEKOCK GE, 1970, SPINELESS CACTUS, P1
[6]
FELKER P, 1987, J HORTIC SCI, V63, P149
[7]
GREGORY RA, 1988, THEISS TEXAS A I U
[8]
GRIFFITHS D, 1915, USDA BUREAU PLANT IN, V208, P1
[9]
GRIFFITHS D, 1906, USDA BUREAU PLANT IN, V91, P1
[10]
GRIFFITHS D, 1907, USDA BUREAU PLANT IN, V116, P1