共 6 条
[1]
Andrews Henry N., 1942, ANN MISSOURI BOT GARD, V29, P275, DOI 10.2307/2394322
[2]
Arnold C.A, 1947, INTRO PALEOBOTANY, P433
[3]
Darrah WC, 1936, BOT MUS LEAFL HARV U, V4, P69
[4]
DELEVORYAS T, 1956, UNIV MICH CONTRIB MU, V12, P285
[5]
Scott D. H., 1923, STUDIES FOSSIL BOTAN, V2
[6]
Scott D. H., 1917, J BOT LINN SOC LOND, V44, P59