Drepanocladus aduncus(Hedw.) Warnst.

drepanocladus moss

WFO wfo-0001165100 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Drepanocladus aduncus, photographed by Randal
fig. a Randal, CC0 1.0 / 2022-05-23 / obs. 200979712
Drepanocladus aduncus, photographed by Randal
fig. b Randal, CC0 1.0 / obs. 200979865
Drepanocladus aduncus, photographed by Braden J. Judson
fig. c Braden J. Judson, CC0 1.0 / obs. 202232494
Drepanocladus aduncus, photographed by Em Lamond
fig. d Em Lamond, CC BY 4.0 / obs. 176555577
Drepanocladus aduncus, photographed by Martin Purdy
fig. e Martin Purdy, CC BY 4.0 / obs. 152073957
Drepanocladus aduncus, photographed by Martin Purdy
fig. f Martin Purdy, CC BY 4.0 / obs. 152074121
Drepanocladus aduncus, photographed by Mary Krieger
fig. g Mary Krieger, CC BY 4.0 / obs. 126815263
Drepanocladus aduncus, photographed by Jerry Lanfear
fig. h Jerry Lanfear, CC BY 4.0 / obs. 107083311

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.

Where it actually grows measured, from 205 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low -19.7 °C -5.6 °C 2.3 °C
Warmest month, mean daily high 18.2 °C 23.0 °C 28.0 °C
Annual rainfall 455 mm 755 mm 2,088 mm
Rainfall in the driest quarter 36 mm 142 mm 274 mm

It is found where winters are severely cold. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 205 research-grade observations of Drepanocladus aduncus that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one.

Also published as 94 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.

  • Amblystegium aduncum (Hedw.) De Not.
  • Amblystegium aduncum var. legitimum (Sanio) Lindb. & Arnell
  • Amblystegium fluitans f. orthophyllum (Dozy & Molk.) Arnell & C.E.O.Jensen
  • Amblystegium kneiffii var. paternum (Sanio) Braithw.
  • Amblystegium pseudofluitans (Sanio) H.A.Möller
  • Brachythecium edentatum R.S.Williams
  • Brachythecium integrifolium Thér.
  • Calliergidium bakeri (Renauld) Grout
  • Drepanocladus aduncus f. aquaticus (Sanio) Mönk.
  • Drepanocladus aduncus f. flexilis (Renauld) Demaret
  • Drepanocladus aduncus f. herthae (G.Roth & Bock) Mönk.
  • Drepanocladus aduncus f. paternus (Sanio) Grout
  • Drepanocladus aduncus f. pseudofluitans (Sanio) Mönk.
  • Drepanocladus aduncus f. tenellus Smirnova
  • Drepanocladus aduncus subf. angustifolius Smirnova
  • Drepanocladus aduncus subf. filescens (Warnst.) Mönk.
  • Drepanocladus aduncus subf. pinnatus Mönk.
  • Drepanocladus aduncus subf. tenuissimus Smirnova
  • Drepanocladus aduncus var. aduncus
  • Drepanocladus aduncus var. aquaticus (Sanio) Renauld
  • Drepanocladus aduncus var. clavatus (R.Ruthe ex Warnst.) Wijk & Margad.
  • Drepanocladus aduncus var. cyrtopteron Renauld
  • Drepanocladus aduncus var. dendroides Warnst.
  • Drepanocladus aduncus var. flexilis (Renauld) G.Roth

and 70 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.
  3. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite. It has no native range either: Kew's checklist does not cover this taxon.