Thamnobryum alopecurum

Plate 1 figs. a–h · 8 separate observations

Thamnobryum alopecurum, photographed by George Greiff — fig. b George Greiff, CC BY 4.0 / obs. 203471726

Thamnobryum alopecurum, photographed by Zeke Marshall — fig. e Zeke Marshall, CC BY 4.0 / obs. 199048736

Thamnobryum alopecurum, photographed by Christian Berg — fig. f Christian Berg, CC BY 4.0 / obs. 194840987

Thamnobryum alopecurum, photographed by Jerry Lanfear — fig. g Jerry Lanfear, CC BY 4.0 / obs. 187647599

Thamnobryum alopecurum, photographed by Gabriel Mayrhofer — fig. h Gabriel Mayrhofer, CC0 1.0 / obs. 187362440

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.

The specimen a real sheet, in a real collection

Herbarium: The New York Botanical Garden
Accession: 03304550
Filed as: Thamnobryum alopecurum (Hedw.) Gangulee
Det. by: T. Yamaguchi 2017-01-01
Collected: M. Ichinosawa 2017-09-09
Origin: JP
The sheet: View the digitised specimen (CC BY 4.0)

A real pressed plant, in a real collection, under the accession number above. Not an illustration of one. The holding institution does not serve this sheet’s image to third parties, so there is no photograph here. The record is real and the link goes to it. Where we hold no openly licensed sheet for a species this section is simply absent, and where a sheet never recorded who determined it, that field stays empty rather than being filled in. Roughly half of all herbarium sheets never recorded a determiner, which is ordinary.

Where it actually grows measured, from 1,463 observations

Condition	5th percentile	Median	95th percentile
Coldest month, mean daily low	-5.6 °C	0.5 °C	4.9 °C
Warmest month, mean daily high	17.3 °C	20.9 °C	25.1 °C
Annual rainfall	672 mm	977 mm	1,780 mm
Rainfall in the driest quarter	116 mm	191 mm	322 mm

It is found where winters bring hard frost. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 1,463 research-grade observations of Thamnobryum alopecurum 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 47 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.

Arbuscula alopecura (Hedw.) H.A.Crum, Steere & L.E.Anderson
Hypnum alopecurum Hedw.
Hypnum alopecurum var. friedrichstahlii De Not.
Hypnum alopecurum var. protensum Turner
Hypnum arbuscula Brid.
Hypnum arbuscula var. protensum (Turner) Brid.
Isothecium alopecurum (Hedw.) Spruce
Porotrichum alopecurum (Hedw.) Mitt. ex Lindb.
Porotrichum alopecurum f. pauperatum C.E.O.Jensen
Porotrichum alopecurum var. acutum Braithw.
Porotrichum alopecurum var. aridulum D.A.Jones
Porotrichum alopecurum var. smolandicum Tolf
Thamnium alopecurum (Hedw.) Schimp.
Thamnium alopecurum f. lemani (Schnetzl.) Mönk.
Thamnium alopecurum f. protensum (Turner) Mönk.
Thamnium alopecurum f. smolandicum (Tolf) C.E.O.Jensen
Thamnium alopecurum f. torrentium (Thér.) Podp.
Thamnium alopecurum subsp. caucasicum Kindb.
Thamnium alopecurum subsp. lemani (Schnetzl.) J.J.Amann
Thamnium alopecurum subsp. libani Renauld
Thamnium alopecurum subsp. mediterraneum Bott.
Thamnium alopecurum subsp. scoposiforme Kindb.
Thamnium alopecurum var. aridulum (D.A.Jones) Podp.
Thamnium alopecurum var. cavernarum Schlieph. ex Matousch.

and 23 more.

Sourcesevery claim on this page

World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
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 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.