Sep. 28, 2022

plumeless thistle, Carduus acanthoides

Plumeless thistle may be misnamed. The seeds do have plumes, and put them to good use. Or terrible use, depending on your view. This is one of our invaders, and is particularly problematic in pastures. Not only is it too spiny to be eaten, it also chemically discourages other plants that could be grazed. It has been recorded from CA, CO, CT, DE, IA, ID, IL, KS, KY, MA, MD, ME, MI, MN, MT, NC, ND, NE, NJ, NM, NY, OH, OK, PA, RI, SD, TX, VA, VT, WA, WI, WV, WY, BC, NB, NS, ON, and QC. FNA notes that the NB record is only a single specimen, and does not include this in their range for the species. They do not consider it an established part of the flora for New Brunswick. Yeah for NB! Washtenaw Co MI, 9/6/12. Aster family, Asteraceae.