Asteraceae
Butterweed
Packera glabella
- Family
- Asteraceae
- Genus
- Packera
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Common names
By language (1)
- English
- Butterweed
Synonyms
- Cineraria uncinata Spreng. ex DC.
- Senecio carolinianus Spreng.
- Senecio densiflorus M.Martens
- Senecio lobatus Pers.
- Senecio lyratus Michx.
- Senecio mississipianus DC.
Flowers
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: introduced, Lower 48 states: native
Photos
Photo: Pieter Pelser, CC BY 3.0, from Wikimedia Commons 
Photo: Pieter Pelser, CC BY 3.0, from Wikimedia Commons 
Photo: Austin Pursley, CC0, from Wikimedia Commons
More in Packera
- Golden ragwortPackera aureaAsteraceae
- San Francisco Peaks ragwortPackera franciscanaAsteraceae
- Packera musiniensisAsteraceae
- Woolly ragwortPackera tomentosaAsteraceae
- Small's ragwortPackera anonymaAsteraceae
- Shale barren ragwortPackera antennariifoliaAsteraceae
- San Bernardino ragwortPackera bernardinaAsteraceae
- Bolander's ragwortPackera bolanderiAsteraceae
- Brewer's ragwortPackera breweriAsteraceae
- Woolly groundselPackera canaAsteraceae
- Cleveland's ragwortPackera clevelandiiAsteraceae
- Widehead groundselPackera eurycephalaAsteraceae
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.