开放图书详细信息
| New York Botanical Garden, LuEsther T. Mertz Library contributed to BHL | ||
| Contributions to the flora of Beaver County, from the Mansfield Herbarium, 1865-1903. | ||
| Mansfield, Ira Franklin, 1942- | ||
| keywords: 1942- ; Pennsylvania; Plants; Beaver County; Mansfield, Ira Franklin,; Herbarium; | ||
| Subject:植物学 | ||
| 美国 | ||