Plants › Sunflowers, Daisies, Asters, and Allies

musk thistle

Carduus nutans

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 1,670, February 1,233, March 1,932, April 3,040, May 4,383, June 4,779, July 5,114, August 4,398, September 3,229, October 2,410, November 1,317, December 1,029.
Alaska34,534
United States31,615
Texas5,971
Colorado5,313
Canada3,904
Ontario2,481
Russia2,330
Illinois1,533
Tennessee1,405
Michigan1,284

Counts show where people looked, not only where it lives.

Traits

Group and habits

Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
OrderSunflowers, Bellflowers, Fanflowers, and Allies · Asterales
FamilySunflowers, Daisies, Asters, and Allies · Asteraceae
Genusplumeless thistles · Carduus

Study it in a deck

Or build your own from the species near you.

Sources

Remember the name next time.

Practise musk thistle with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.