The genus Delphinium in North America
Subtitle: series Echinatae of subsection Subscaposa, and miscellaneous noteworthy species
By: Joseph Ewan
Published: 1942
Place of publication: New York]
Language: eng
Number of pages: 150
Subjects: Delphinium
Notes: Reprinted from: Bulletin of the Torrey Botanical Club. 1942. 69: 137-150.