开放图书详细信息
| Penn State University contributed to BHL | ||
| Agricultural botany an enumeration and description of useful plants and weeds, which merit the notice, or require the attention, of American agriculturists / | ||
| WILLIAM DARLINGTON, M. D. | ||
| keywords: Plants; United States; Botany, Economic; | ||
| Subject:植物学 | ||
| 美国 | ||