Plants of USA and Canada

Scientific or common name:

Hieracium horridum Fr.

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

Taxon Page:

Name: Hieracium horridum Fr. Taxon selection
Rank: species

pictures Images of Hieracium horridum

Common names

US name U.S. name: Prickly hawkweed

Grown habit: Forb/herb
Duration: Perennial



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

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Distribution in USA and Canada (*)

Distributional map for Hieracium horridum Fr.
Map for Hieracium horridum Fr.
(*) USDA, NRCS. 2009. The PLANTS Database (, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA

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Genera (Asteraceae)
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Common names (Hieracium)
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More species:
1) Hieracium kalmii L. [155]
2) Hieracium kalmii L. var. canadense (Michx.) Reveal [69]
3) Hieracium kalmii L. var. fasciculatum (Pursh) Lepage [165]
4) Hieracium kalmii L. var. subintegrum (Lepage) Lepage [180]
5) Hieracium lactucella Wallr. [118]
6) Hieracium longiberbe Howell [166]
7) Hieracium megacephalon Nash [158]
8) Hieracium paniculatum L. [213]
9) Hieracium piloselloides Vill. [1095]
10) Hieracium rigorosum (Laest.) Almquist var. nanusekense Om. [73]

28-Jun-2022 - Week-26

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