开放图书详细信息
New York Botanical Garden, LuEsther T. Mertz Library contributed to BHL | ||
... A monograph of the North American species of the genus Polygonum. By John Kunkel Small. | ||
Small, John Kunkel, 1869-1938 | ||
keywords: Polygonaceae; | ||
Subject:植物学 | ||
美国 |