Asteraceae

Spreading snakeroot

Ageratina riparia (Regel) R.M.King & H.Rob.

Family: Asteraceae
Genus: Ageratina

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Spreading snakeroot: Ageratina riparia growing in Barlovento , La Palma , Canary Islands — Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (5)

Chinese: 澤假藿香薊, 雾花泽兰, 河岸泽兰, 河岸破坏草, 溪边紫茎泽兰
English: Spreading snakeroot, Creeping crofton weed, Mist flower
Indonesian: Teklan
Javanese: Rara ireng, Tekelan
Ukrainian: Туманна квітка

Synonyms

Ageratina ventillana (Cuatrec.) R.M.King & H.Rob.
Eupatorium harrisii Urb.
Eupatorium riparium Regel
Eupatorium ventillanum Cuatrec.

Characteristics

Growth habit: Shrub, Subshrub
Lifespan: Perennial
In the US and Canada: Hawaii: introduced

Photos

Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Frank Vincentz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons

More in Ageratina

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.