Plants of USA and Canada

Scientific or common name:

Cirsium diffusum (Eastw.) Rydb.


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

Taxon Page:

Name: Cirsium diffusum (Eastw.) Rydb. Taxon selection
Rank: species
See: ► Cirsium rothrockii (A. Gray) Petr.

pictures Images of Cirsium diffusum


Common names

US name U.S. name: Rothrock's thistle

Grown habit: Forb/herb
Duration: Biennial
 

Synonyms:
= Cirsium rothrockii (A. Gray) Petr.
= Cirsium pulchellum (Greene) Woot. & Standl. ssp. diffusum (Eastw.) Petr.



TAXONOMY

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


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Distribution in USA and Canada (*)
USA (AZ, UT)

Distributional map for Cirsium diffusum (Eastw.) Rydb.
Map for Cirsium diffusum (Eastw.) Rydb.
(*) 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 drummondii Torr. & A. Gray ssp. latisquamum Petr. [148]
2) Cirsium drummondii Torr. & A. Gray ssp. vexans Petr. [130]
3) Cirsium drummondii Torr. & A. Gray var. acaulescens (Rydb.) J.F. Macbr. [133]
4) Cirsium eatonii (A. Gray) B.L. Rob. var. harrisonii S.L. Welsh [142]
5) Cirsium eriocephalum A. Gray [134]
6) Cirsium filipendulum Engelm. [130]
7) Cirsium grahamii A. Gray [349]
8) Cirsium hillii (Canby) Fernald [351]
9) Cirsium kelseyi (Rydb.) Petr. [136]
10) Cirsium mendocinum Petr. [94]

4-May-2024 - Week-18





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