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Plants › Sunflowers, Daisies, Asters, and Allies

pasture thistle

Cirsium pumilum

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Wildlife study photograph from iNaturalist.
(c) nanhraines, some rights reserved (CC BY-NC)

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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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 Ontario.January 29, February 29, March 47, April 91, May 175, June 82, July 62, August 56, September 59, October 48, November 30, December 27.
United States2,412
Canada735
Ontario735
New York424
Pennsylvania349
Michigan300
West Virginia206
Massachusetts183
Virginia148
Maryland140

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

Traits

Group and habits

  • Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.USDA PLANTS Characteristics
  • Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics
  • Pollinator-associated plantDescends from a plant lineage commonly associated with pollinators.Inferred from its group

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
OrderSunflowers, Bellflowers, Fanflowers, and Allies · Asterales
FamilySunflowers, Daisies, Asters, and Allies · Asteraceae
GenusPlume Thistles · Cirsium

Sources

Remember the name next time.

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

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