共 22 条
[2]
Berry E.W., 1925, US GEOL SURV PROF PA, V136, P1, DOI 10.3133/pp136
[3]
BESSEY CE, 1915, ANN MISSOURI BOT GAR, V2, P109
[5]
CRONQUIST A, 1981, INTEGRATED SYSTEM CL
[6]
Cronquist A., 1968, EVOLUTION CLASSIFICA
[9]
Dilcher DL, 1983, MUSEUM W COLO Q SPR, P8