Asteraceae
Heermann's tarweed
Holocarpha heermannii
- Family
- Asteraceae
- Genus
- Holocarpha
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Common names
By language (1)
- English
- Heermann's tarweed
Synonyms
- Hemizonia heermanni Greene
- Hemizonia heermannii Greene
- Hemizonia parvifolia Greene
- Hemizonia virgata var. heermannii (Greene) Jeps.
Flowers
- In flower
- July to October (from 102 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Madeleine Claire, CC BY 4.0, from iNaturalist 
FlowerPhoto: Ken-ichi Ueda, CC BY 4.0, from iNaturalist 
FlowerPhoto: Ben Sims, CC0, from iNaturalist 
FlowerPhoto: Ken-ichi Ueda, CC BY 4.0, from iNaturalist 
Photo: Franco Folini, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Franco Folini from San Francisco, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Alison K, CC0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY 4.0, from Wikimedia Commons 
Photo: joergmlpts, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Cricket Raspet, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Holocarpha
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.