Verbatim text: Blake, S. F. 1957. A new cruciferous weed, Calepina irregularis, in Virginia. Rhodora 59: 278–280.
Author: Blake, S.F.
Year: 1957
Title: A new cruciferous weed, Calepina irregularis, in Virginia
Journal: Rhodora
Volume: 59
Pages: 278–280