Two species of the mustard family not heretofore recorded from Iowa, so far as is known to the writer, have recently come to his notice, namely; Brassica juncea (L) Cosson, or Indian mustard, and Lepidium perfoliatum L. a noteworthy species of pepper-grass.
Proceedings of the Iowa Academy of Science
©1921 Iowa Academy of Science, Inc.
Cratty, R. I.
"Two Additions to Our List of Cruciferae,"
Proceedings of the Iowa Academy of Science, 28(1), 256-261.
Available at: https://scholarworks.uni.edu/pias/vol28/iss1/42