Poaceae
Spiked bur grass
Tragus berteronianus
- Family
- Poaceae
- Genus
- Tragus
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Common names
By language (6)
- Arabic
- حاروي, غريرة
- Chinese
- 虱子草, 蝨子草
- English
- Spiked bur grass, Spiked burr grass, Bur grass
- Persian
- بزدندان شنروی
- Swedish
- Litet piprensargräs
- Welsh
- Glaswellt pigog Affrica
Synonyms
- Lappago berteroniana Schult. ex Steud.
- Lappago occidentalis (Nees) Hook.f.
- Lappago phleoides Fig. & De Not.
- Lappago racemosa var. erecta Kunth
- Nazia occidentalis (Nees) Scribn.
- Nazia racemosa var. berteronianus (Schult.) Hack.
- Tragus alienus var. brevispinus Henrard
- Tragus ciliatus Lepr. ex Kunth
- Tragus occidentalis Nees
- Tragus racemosus var. berteronianus (Schult.) Hack.
- Tragus racemosus var. brevispicula Döll
- Tragus tcheliensis Debeaux
Flowers
- In flower
- January, March (from 15 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual
- In the US and Canada
- Hawaii: introduced, Lower 48 states: introduced, Puerto Rico: introduced, U.S. Virgin Islands: introduced
Photos
FlowerPhoto: Analía Belaus, CC0, from iNaturalist 
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Tony Rebelo, CC BY-SA 4.0, from iNaturalist 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons Photo: korosianwilliam, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Kevin Faccenda, CC BY 4.0, from iNaturalist 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons Photo: Susan Brown, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: dune_ninja, CC0, from iNaturalist 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons Photo: Susan Brown, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Kevin Faccenda, CC BY 4.0, from iNaturalist
More in Tragus
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.