Showy milkweed
Subtitle: scientific name, Asclepias speciosa : common name, creek milkweed
By: by Martin Zimmerman.
Contributors: Oregon State University. Cooperative Extension Service.
Series: FS -- 49.; Fact sheet (Oregon State University. Cooperative Extension Service) -- 49.
Publisher: Oregon State University, Cooperative Extension Service
Published: 1963
Place of publication: [Corvallis, OR]
Language: eng
Subjects: Milkweeds -- Identification.; Milkweeds -- Control.
Notes: Caption title.

"April, 1963."