开放图书详细信息
| MBLWHOI Library contributed to BHL | ||
| Pollen and spore morphology/plant taxonomy; gymnospermae, pteriodophyta, bryophyta (Illustrations) | ||
| Erdtman, G. (Gunnar), 1897- | ||
| keywords: Classification; Morphology; Pollen; Spores (Botany); Botany; | ||
| Subject:植物学 | ||
| 美国 | ||