共 28 条
[11]
LYCOPODS OF PENNSYLVANIAN AGE COALS - POLYSPORIA
[J].
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE,
1979, 57 (16)
:1740-1753
[12]
El-Khayal A.A., 1985, CR 10 C INT STRAT GE, V3, P17
[13]
KRALIK J, 1985, ANAIS FAC CIENCIAS S, V64, P243
[14]
Leisman G. A., 1977, B SOC AM MISC SER PU, V154, P39
[15]
Leisman G. A., 1970, PALAEONTOGR ABT B, V129, P166
[16]
Nemejc F., 1931, B INT ACAD SCI BOHEM, P1
[19]
MEGAGAMETOPHYTE DEVELOPMENT IN THE CHALONERIACEAE FAM-NOV PERMINERALIZED PALEOZOIC ISOETALES (LYCOPSIDA)
[J].
BOTANICAL GAZETTE,
1983, 144 (02)
:295-302
[20]
CHALONERIA GEN-NOV - HETEROSPOROUS LYCOPHYTES FROM THE PENNSYLVANIAN OF NORTH-AMERICA
[J].
BOTANICAL GAZETTE,
1983, 144 (01)
:132-147