共 23 条
[2]
Bierhorst DW., 1971, MORPHOLOGY VASCULAR
[3]
Boullard B., 1957, BOT SER, V41, P5
[4]
Bruchmann, 1904, BOT ZEITUNG, V62, P227
[5]
Bruchmann H, 1906, FLORA, V96, P203
[7]
CAMPBELL DH, 1921, ANN BOTANY, V35, P441
[8]
CLAUSEN ROBERT T., 1938, MEM TORREY BOT CLUB, V19, P1
[9]
FARRAR D.R., 1986, MISSOURIENSIS, V7, P51
[10]
JEFFREY EC, 1896, T CAN I, V5, P265