Introduction, phenology, and density of yellow star thistle in coastal, intercoastal, and central valley situations in California.
Contributors: United States. Agricultural Research Service. Western Region.
Series: Agricultural research results -- 20.
Publisher: Agricultural Research Service (Western Region), U.S. Dept. of Agriculture; Available from the Biological Control of Weeds Laboratory
Published: 1981
Place of publication: Oakland, Calif; Albany, Calif
Language: eng
Number of pages: 33
Subjects: Thistles -- California.
Notes: Cover title.

"July 1981."

Bibliography: p. 13-15.