Grown habit: Forb/herb
Duration: Annual, Biennial
Synonyms:
= Carduus pinetorum Small
= Carduus smallii (Britton) H.E. Ahles
= Carduus spinosissimus Walter
= Cirsium horridulum Michx. var. elliottii Torr. & A. Gray
= Cirsium smallii Britton
= Cirsium spinosissimum auct. non (L.) Scop.
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Distribution in USA and Canada (*)
USA (AL, AR, CT, DE, FL, GA, LA, MA, MD, ME, MS, NC, NH, NJ, NY, OK, PA, RI, SC, TN, TX, VA)
Map for Cirsium horridulum Michx. var. horridulum
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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