共 63 条
- [62] WILLSON MF, 1977, EVOLUTION, V31, P495, DOI 10.1111/j.1558-5646.1977.tb01040.x
- [63] FLOWER-VISITORS, NECTAR PRODUCTION, AND INFLORESCENCE SIZE OF ASCLEPIAS-SYRIACA [J]. CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1979, 57 (12): : 1380 - 1388