A cyto-taxonomic survey of the North American species of Iris
By: by Robert C. Foster
Series: Contributions from the Gray Herbarium / Harvard University -- no. 119; Contributions from the Gray Herbarium of Harvard University -- 119
Publisher: Gray Herbarium of Harvard University
Published: 1937
Place of publication: Cambridge, MA
Language: eng
Number of pages: 82
Subjects: Irises (Plants)