Carduus pycnocephalus
Italian plumeless thistle
4
Bishop specimens
0
Type specimens
1929
First collected
2003
Last collected
No recent record
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Carduus pycnocephalus, most mentions first.
2025
Imada, C.T., Faccenda, K., Thomas, M.K., Gallaher, T., Oppenhemier, H., Kennedy, B. & Kalei, A. (eds.) Hawaiian native & naturalized vascular plants checklist (2025 update). 780 pp. [published online 6 November 2025]· Contribution to the Hawaii Biological Survey · 1 page
2019
Hawaiian naturalized vascular plants checklist (February 2019 update)Imada, C. · Contribution to the Hawaii Biological Survey · 1 page
Where Bishop collected it
1 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
1920s2000s
The oldest Bishop specimen was collected in 1929 by Meebold, A. (Kekerangu).
From the collection
