共 40 条
- [1] PALEOROSA-SIMILKAMEENENSIS, GEN ET SP-NOV, PERMINERALIZED FLOWERS (ROSACEAE) FROM EOCENE OF BRITISH-COLUMBIA [J]. CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1976, 54 (20): : 2293 - 2305
- [2] Beck C. B, 1976, ORIGIN EARLY EVOLUTI, P139
- [3] BESSEY CE, 1915, ANN MISSOURI BOT GAR, V2, P109
- [4] BRENNER G., 1976, ORIGIN EARLY EVOLUTI, P23
- [6] CARLQUIST S, 1969, PHYTOMORPHOLOGY, V19, P332