Salix exiguaNutt.

Narrowleaf Willow

WFO wfo-0000928657 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Salix exigua, photographed by Millie Basden
fig. a Millie Basden, CC BY 4.0 / 2022-04-28 / obs. 191435224
Salix exigua, photographed by Daniel S.
fig. b Daniel S., CC BY 4.0 / obs. 200175412
Salix exigua, photographed by Millie Basden
fig. c Millie Basden, CC BY 4.0 / obs. 126379584
Salix exigua, photographed by Madeleine Claire
fig. d Madeleine Claire, CC BY 4.0 / obs. 169120592
Salix exigua, photographed by lejones417
fig. e lejones417, CC BY-SA 4.0 / obs. 172595278
Salix exigua, photographed by nmoorhatch
fig. f nmoorhatch, CC BY 4.0 / obs. 170032644
Salix exigua, photographed by Ken-ichi Ueda
fig. g Ken-ichi Ueda, CC BY 4.0 / obs. 189535728
Salix exigua, photographed by Steve Matson
fig. h Steve Matson, CC BY 4.0 / obs. 122620531

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 = 358 observations

Peak flowering in Apr, from 358 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 31 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.

  • Salix argophylla Nutt.
  • Salix exigua subsp. exigua
  • Salix exigua var. exigua
  • Salix exigua var. luteosericea C.K.Schneid.
  • Salix exigua var. nevadensis (S.Watson) C.K.Schneid.
  • Salix exigua var. parishiana (Rowlee) Jeps.
  • Salix exigua var. stenophylla (Rydb.) C.K.Schneid.
  • Salix exigua var. virens Rowlee
  • Salix fluviatilis f. hindsiana (Benth.) B.Boivin
  • Salix fluviatilis var. argophylla (Nutt.) Sarg.
  • Salix fluviatilis var. argyrophylla Sarg.
  • Salix fluviatilis var. exigua (Nutt.) Sarg.
  • Salix hindsiana Benth.
  • Salix hindsiana f. tenuifolia Andersson
  • Salix hindsiana var. leucodendroides (Rowlee) C.R.Ball
  • Salix hindsiana var. parishiana (Rowlee) C.R.Ball
  • Salix hindsiana var. tenuifolia (Andersson) C.K.Schneid.
  • Salix longifolia f. opaca (Andersson) C.K.Schneid.
  • Salix longifolia f. paucidenticulata Kuntze
  • Salix longifolia var. argophylla (Nutt.) S.Watson
  • Salix longifolia var. exigua (Nutt.) Bebb
  • Salix longifolia var. opaca Andersson
  • Salix longifolia var. opaca C.R.Ball
  • Salix luteosericea Rydb.

and 7 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.