Plants of USA and Canada

Scientific or common name:

Cirsium undulatum (Nutt.) Spreng.


ASTERACEAE Family selection - Aster family (Angiosperms - Flowering plants)

Taxon Page:

Name: Cirsium undulatum (Nutt.) Spreng. Taxon selection
Rank: species

pictures Images of Cirsium undulatum


Common names

US name U.S. name: Wavyleaf thistle
en English name: gray thistle
English name: pasture thistle

Grown habit: Forb/herb
Duration: Biennial, Perennial
 

Synonyms:


Subspecies / Varieties:
1) Cirsium undulatum (Nutt.) Spreng. var. megacephalum (A. Gray) Fernald
2) Cirsium undulatum (Nutt.) Spreng. var. tracyi (Rydb.) S.L. Welsh
3) Cirsium undulatum (Nutt.) Spreng. var. undulatum



TAXONOMY

Kingdom: Plantae
Subkingdom: Tracheobionta
Superdivision: Spermatophyta
Division: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species:


Page counter: 314 ( AVG: 222.35 / 291.399 )



Gallery:

Cirsium undulatum
Cirsium undulatum
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 550.

Cirsium undulatum
Cirsium undulatum
NPS Photo - JW Stockert - 1973 - Public domain image.


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Links:
- The New Plantfinder - Images and local names of vascular plants - Project Dryades / KeyToNature, coordinated by the Department of Life Sciences, University of Trieste
- Lichens - Interactive identification keys to the lichens
- Acta Plantarum - Forum and Image Gallery (Plants, Animals, Mushrooms)




Distribution in USA and Canada (*)
USA (AZ, CA, CO, GA, IA, ID, IL, IN, KS, MI, MN, MO, MT, ND, NE, NM, NV, OK, OR, PA, SD, TX, UT, WA, WI, WY), CAN (AB, BC, MB, SK)

Distributional map for Cirsium undulatum (Nutt.) Spreng.
Map for Cirsium undulatum (Nutt.) Spreng.
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA



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More species:
1) Cirsium undulatum (Nutt.) Spreng. var. tracyi (Rydb.) S.L. Welsh [237]
2) Cirsium vaseyi (A. Gray) Jeps. [132]
3) Cirsium virginianum (L.) Michx. [457]
4) Cirsium vulgare (Savi) Ten. [2592]
5) Cirsium wheeleri (A. Gray) Petr. [378]
6) Cissus caustica Tussac [178]
7) Cissus rotundifolia (Forssk.) Vahl [1665]
8) Cistus creticus L. [135]
9) Cistus villosus L. var. undulatus Gross. [169]
10) Citrullus colocynthis (L.) Schrad. [1190]

29-Apr-2024 - Week-18





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