Weeds-- slenderflower thistle (Carduus tenuiflorus Curt.), Italian thistle (Carduus pycnocephalus L.), plumeless thistle (Carduus acanthoides L.)
By: Cindy Roché.
Contributors: Washington State University. Cooperative Extension Service.
Series: PNW bulletin -- 431.; PNW (Series) -- 431.
Publisher: Washington State University Extension Service
Published: 1992
Place of publication: [Pullman, Wash.]
Language: eng
Notes: "December 1992."