Conspectus of the keys of the North American willows
Subtitle: extracted from various publications as indicated in the text
By: "translated by Hugh M. Raup."
Publisher: Harvard Forest
Published: 1941
Place of publication: Petersham, Mass
Language: eng
Subjects: Willows; Salicaceae
Notes: Typescript.

"Also see New Species, names and combinations to 1941 since Schneider's synopis at end of copy."--t.p.
Table of contents: title: Mexican, West Indian, Central and South American species and varieties.; title: Species and varieties of the sections Reticulatae, Herbaceae, Ovalifoliae, and Glauxae.; title: Species and varieties of the section Longifoliae.; title: Species of the Pleonandrae group.; title: Species of the section Phylicifoliae.; title: Species of the section Sitchenses.; title: Species of the section Brewerianae.; title: Species of the section Adenophyllae.; title: Species of the section Chrysantheae.; title: Species of the section Coradatae.; title: Comprehensives keys to the species of American willows.; title: New species and combinations made since the publication of Schneider's conspectus (from end of 1921).