Poaceae
Buttongrass
Dactyloctenium radulans
- Family
- Poaceae
- Genus
- Dactyloctenium
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Common names
By language (2)
- English
- Buttongrass
- Welsh
- Gwair botymau
Synonyms
- Dactyloctenium radulans f. conglobatum Domin
- Dactyloctenium radulans var. conglobatum Domin
- Eleusine radulans R.Br.
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: introduced
Photos

Photo: Kevin Thiele from Perth, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: Macleay Grass Man, CC BY 2.0, from Wikimedia Commons 
Photo: Mark Marathon, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Mark Marathon, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Mark Marathon, 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 
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: Harry Rose from Dungog, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: Harry Rose from Dungog, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: Harry Rose from Dungog, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: Harry Rose from Dungog, Australia, CC BY 2.0, from Wikimedia Commons
More in Dactyloctenium
- Egyptian grassDactyloctenium aegyptiumPoaceae
- Dactyloctenium hackeliiPoaceae
- Dactyloctenium scindicumPoaceae
- Dactyloctenium aristatumPoaceae
- Durban grassDactyloctenium australePoaceae
- Dactyloctenium geminatumPoaceae
- Dactyloctenium giganteumPoaceae
- Dactyloctenium buchananensisPoaceae
- Dactyloctenium capitatumPoaceae
- Dactyloctenium ctenoidesPoaceae
- Dactyloctenium robecchiiPoaceae
- Dactyloctenium pilosumPoaceae
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.