Carduus acanthoides (English Wikipedia)

Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Carduus acanthoides". Michigan Flora Online. University of Michigan Herbarium. Retrieved 5 January 2020.

nih.gov (Global: 4^th place; English: 4^th place)

ncbi.nlm.nih.gov

Rauschert, Emily S. J.; Shea, Katriona; Goslee, Sarah (2015-01-01). "Plant community associations of two invasive thistles". AoB Plants. 7 plv065. doi:10.1093/aobpla/plv065. ISSN 2041-2851. PMC 4571105. PMID 26038126.

pubmed.ncbi.nlm.nih.gov

Rauschert, Emily S. J.; Shea, Katriona; Goslee, Sarah (2015-01-01). "Plant community associations of two invasive thistles". AoB Plants. 7 plv065. doi:10.1093/aobpla/plv065. ISSN 2041-2851. PMC 4571105. PMID 26038126.

nps.gov (Global: 135^th place; English: 105^th place)

"Exotic Species: Spiny Plumeless Thistle (U.S. National Park Service)". www.nps.gov. Retrieved 2016-09-14.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Russo, Laura; Nichol, Christina; Shea, Katriona (2016). "Pollinator floral provisioning by a plant invader: quantifying beneficial effects of detrimental species". Diversity and Distributions. 22 (1/2): 189–198. doi:10.1111/ddi.12397. ISSN 1366-9516. JSTOR 24817466. S2CID 86411284.

usda.gov (Global: 438^th place; English: 336^th place)

plants.usda.gov

"Plants Profile for Carduus acanthoides (spiny plumeless thistle)". plants.usda.gov. Retrieved 2016-11-07.

wisc.edu (Global: 1,045^th place; English: 746^th place)

wisflora.herbarium.wisc.edu

"Online Virtual Flora of Wisconsin - Carduus acanthoides". wisflora.herbarium.wisc.edu. Retrieved 5 January 2020.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Rauschert, Emily S. J.; Shea, Katriona; Goslee, Sarah (2015-01-01). "Plant community associations of two invasive thistles". AoB Plants. 7 plv065. doi:10.1093/aobpla/plv065. ISSN 2041-2851. PMC 4571105. PMID 26038126.
Russo, Laura; Nichol, Christina; Shea, Katriona (2016). "Pollinator floral provisioning by a plant invader: quantifying beneficial effects of detrimental species". Diversity and Distributions. 22 (1/2): 189–198. doi:10.1111/ddi.12397. ISSN 1366-9516. JSTOR 24817466. S2CID 86411284.

Carduus acanthoides (English Wikipedia)

ars-grin.gov (Global: 607th place; English: 747th place)

npgsweb.ars-grin.gov

berkeley.edu (Global: 580th place; English: 462nd place)

ucjeps.berkeley.edu

cal-ipc.org (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

jstor.org (Global: 26th place; English: 20th place)

michiganflora.net (Global: low place; English: low place)

nih.gov (Global: 4th place; English: 4th place)

ncbi.nlm.nih.gov

pubmed.ncbi.nlm.nih.gov

nps.gov (Global: 135th place; English: 105th place)

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

usda.gov (Global: 438th place; English: 336th place)

plants.usda.gov

wisc.edu (Global: 1,045th place; English: 746th place)

wisflora.herbarium.wisc.edu

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org

ars-grin.gov (Global: 607^th place; English: 747^th place)

berkeley.edu (Global: 580^th place; English: 462^nd place)

doi.org (Global: 2^nd place; English: 2^nd place)

jstor.org (Global: 26^th place; English: 20^th place)

nih.gov (Global: 4^th place; English: 4^th place)

nps.gov (Global: 135^th place; English: 105^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

usda.gov (Global: 438^th place; English: 336^th place)

wisc.edu (Global: 1,045^th place; English: 746^th place)

worldcat.org (Global: 5^th place; English: 5^th place)