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 |