https://sv.wiktionary.org/wiki/spiny_plumeless_thistle
spiny plumeless thistle - Wiktionary
spinythistlewiktionary
https://nhnm.unm.edu/taxonomy/term/25675
nodding plumeless thistle | Natural Heritage New Mexico
natural heritagethistlenewmexico
https://extension.umd.edu/resource/invasives-your-woodland-plumeless-thistle
Invasives in Your Woodland: Plumeless Thistle | University of Maryland Extension
In this issue, we look at plumeless thistle, also known as "spiny plumeless thistle." Its presence in Maryland might be more widespread than some reports...
university of marylandinvasiveswoodlandthistleextension
https://weedid.missouri.edu/weedinfo.cfm?weed_id=74
Plumeless Thistle // Mizzou WeedID
Weed ID Guide, Weed Science Program
thistlemizzou
https://digitalcommons.unl.edu/usdafsfacpub/101/
"Plumeless Thistle (Curled Thistle, Bristly Thistle)" by L.-T. Kok and A. Gassmann
Plumeless thistle, Carduus acanthoides L., is an introduced Eurasian noxious weed in pastures, rangelands, croplands, and along highways in 19 of the...
by land athistlecurled
https://digitalcollections.library.oregon.gov/nodes/view/42339
Plumeless thistle (Carduus acanthoides) | State Library of Oregon Digital Collections
Date: 2015 | Collection: Agriculture | Read the full record details for State Publication: Plumeless thistle (Carduus acanthoides)
state library of oregonthistlecarduusdigitalcollections
https://fieldguide.mt.gov/AnnualChart_FS.aspx?elcode=PDAST1S010
Spiny Plumeless-thistle - Obs. by Year - Montana Field Guide
Montana Field Guide contains a wealth of information about Montana's diverse species.
by yearspinythistleobsmontana