Cerastium glomeratumThuill.

Sticky mouse-ear chickweed

WFO wfo-0000595603 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Cerastium glomeratum, photographed by Daniel Cahen
fig. a Daniel Cahen, CC BY 4.0 / 2022-06-12 / obs. 205538555
Cerastium glomeratum, photographed by Christian Berg
fig. b Christian Berg, CC BY 4.0 / obs. 200793096
Cerastium glomeratum, photographed by Pavel Kacl
fig. c Pavel Kacl, CC BY 4.0 / obs. 200802757
Cerastium glomeratum, photographed by Daniel Cahen
fig. d Daniel Cahen, CC BY 4.0 / obs. 197755771
Cerastium glomeratum, photographed by Daniel Cahen
fig. e Daniel Cahen, CC BY 4.0 / obs. 199798178
Cerastium glomeratum, photographed by Y. Liu
fig. f Y. Liu, CC BY 4.0 / obs. 202732212
Cerastium glomeratum, photographed by Daniel Cahen
fig. g Daniel Cahen, CC BY 4.0 / obs. 197755452
Cerastium glomeratum, photographed by Leanne Dempsey
fig. h Leanne Dempsey, CC BY 4.0 / obs. 196386703

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Flowering n = 1,531 observations

Peak flowering in Apr, from 1,531 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 33 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Alsine glomerata (Thuill.) E.H.L.Krause
  • Cerastium acutatum Suksd.
  • Cerastium alpinum Bunge
  • Cerastium apetalum Dumort.
  • Cerastium arenosum Kit
  • Cerastium brachycarpum Stapf
  • Cerastium consanguineum Wedd.
  • Cerastium constantinopolitanum Nyman
  • Cerastium fulvum Raf.
  • Cerastium glomeratum f. apetalum (Dumort.) Trinajstić
  • Cerastium glomeratum var. glomeratum
  • Cerastium hirsutum Muhl.
  • Cerastium mauritianum Bouton ex Baker
  • Cerastium membranaceum Jacquem. ex Hook.f.
  • Cerastium minutulum Des Moul. ex Steud.
  • Cerastium ovale Pers.
  • Cerastium pilosum Fisch. ex Ledeb.
  • Cerastium pseudoviscosum Schur
  • Cerastium pumilum Raf.
  • Cerastium rotundifolium Fisch.
  • Cerastium serpyllifolium M.Bieb. ex Ser.
  • Cerastium sibiricum Turcz. ex Ledeb.
  • Cerastium simense Hochst. ex A.Rich.
  • Cerastium stevenii Schischk.

and 9 more.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.

We publish what we can source and we say so when we cannot. This page has no care advice, no toxicity claim and no native range, because we do not yet have those from a source we can cite.