Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Woodsia oregana, the Oregon cliff fern, is a perennial plant in the Wood fern family (Dryopteridaceae). This plant is native to a large part of the western and northern United States and Canada. The Dryopteridaceae, or wood ferns are a family of ferns with a cosmopolitan distribution. All of the fronds of Dryopteridaceae ferns contain round sori (reproductive clusters) on the underside of the pinnae (leaflets) unlike some other ferns which have separate specialized reproductive fronds.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.