Caryophyllaceae
Fourstamen chickweed
Cerastium diffusum
- Family
- Caryophyllaceae
- Genus
- Cerastium
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Common names
By language (11)
- Catalan
- Céraiste diffus
- Danish
- Firehannet hønsetarm
- Dutch
- Scheve hoornbloem
- English
- Fourstamen chickweed
- French
- Céraiste diffus, Ceraiste diffus, Céraiste à quatre étamines
- German
- Viermänniges Hornkraut, Céraiste diffus
- Icelandic
- Fitjafræhyrna
- Lithuanian
- Céraiste diffus
- Norwegian Bokmål
- Kystarve
- Swedish
- Västkustarv, Céraiste diffus
- Welsh
- Clust-y-llygoden arfor
Synonyms
- Alsinanthus diffusus (Pers.) Desv.
- Alsine tetrandra (Gren.) E.H.L.Krause
- Cerastium alsinoides Pers.
- Cerastium atrovirens Bab.
- Cerastium diffusum var. diffusum
- Cerastium diffusum var. palaui O.Bolòs & Vigo
- Cerastium diffusum var. sennenii (Font Quer) O.Bolòs & Vigo
- Cerastium pentandrum subsp. tetrandrum (Gren.) Maire & Weiller
- Cerastium pumilum subsp. tetrandrum (Gren.) Arcang.
- Cerastium tetrandrum Curtis
- Esmarchia cerastoides (Sm.) Rchb.
- Sagina cerastioides Sm.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced
Photos
Photo: Aroche, CC BY-SA 3.0, from Wikimedia Commons ![Fourstamen chickweed: Cerastium diffusum Pointe d'Agon - Mance - France Source [1]](https://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Cerastium_diffusum1.jpg/500px-Cerastium_diffusum1.jpg)
Photo: No machine-readable author provided. Aroche assumed, CC BY-SA 2.5, from Wikimedia Commons Photo: Nathalie Potel, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
![Fourstamen chickweed: Cerastium diffusum Pointe d'Agon - Mance - France Source [1]](https://upload.wikimedia.org/wikipedia/commons/1/17/Cerastium_diffusum1.jpg)
More in Cerastium
- Sticky chickweedCerastium glomeratumCaryophyllaceae
- Field chickweedCerastium arvenseCaryophyllaceae
- Common mouse-ear chickweedCerastium fontanumCaryophyllaceae
- Alpine chickweedCerastium alpinumCaryophyllaceae
- Gray chickweedCerastium brachypetalumCaryophyllaceae
- Little mouse-earCerastium semidecandrumCaryophyllaceae
- Snow in summerCerastium tomentosumCaryophyllaceae
- European chickweedCerastium pumilumCaryophyllaceae
- Mouse-ear chickweedCerastium arcticumCaryophyllaceae
- Boreal chickweedCerastium biebersteiniiCaryophyllaceae
- Cerastium sylvaticumCaryophyllaceae
- Cerastium latifoliumCaryophyllaceae
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.