The problem of species in the northern blue flags, Iris versicolor L. and Iris virginica L.
By: Edgar Anderson
Published: 1928
Place of publication: St. Louis
Language: eng
Number of pages: 332
Subjects: Irises (Plants)
Notes: Cover title.

"Reprinted from Annals of the Missouri Botanical Garden 15: 241-332. Sept., 1928."

Includes bibliographical references (p. 312-313).