Dicranoweisia Lindb. ex Milde

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Description

Plants densely tufted. Stems branched. Leaves crowded, lanceolate or subulate from a lanceolate or ovate base, crisped when dry, margin entire. Costa percurrent or excurrent. Upper cells small, quadrate, midleaf cells elongate, alar cells present, ± inflated. Operculum long-rostrate. Capsule erect, oblong-oval or cylindrical, exserted on an elongate seta, smooth to wrinkled when dry; peristome teeth divided into papillose segments except in D. antarctica.

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Source: Scott & Stone (1976)
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Habitat and Distribution

Three species, Dicranoweisia antarctica (Műll.Hal.) Kindb., D. brevipes (Műll.Hal.) Cardot and D. microcarpa (Hook.f. & Wilson) Paris are recorded for Australia (Streimann & Klazenga 2002). The genus is lithophytic, mainly restricted to alpine and subalpine habitats.

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Nomenclature And Typification

Dicranoweisia Lindb. ex Milde, Bryologia Silesiaca 48 (1869). Lectotype: Weisia crispula Hedwig; Dicranoweisia crispula (Hedwig) Milde, fide Kindberg (1852).

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Taxonomic Notes

Most species were first described as Blindia section Dicranoweisia Mild. but later confirmed as a genus by Bartlett & Vitt (1986). Verrucidens tortifolius (Hook.f. & Wilson) Reimers has been synonymised with Dicranoweisia in Ochyra (1999: 500). Seppelt (2004: 241) believes the report by Clifford (1953) for Macquarie Island should be referred to Dicranoweisia antarctica.

No revision of Dicranoweisia has yet been undertaken for Australian taxa.

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Bibliography

Bartlett, J.K. & Vitt, D.H. (1986). A survey of species in the genus Blindia (Bryopsida, Seligeriaceae). New Zealand Journal of Botany 24: 203–246.

Clifford, H.T. (1953).The mosses of Macquarie Island and Heard Island. ANARE Research  Notes 18: 1–70.

Ochyra, R. (1999). Nomenclatural notes on mosses XIX Verrucidens (Seligeraceae). Fragmenta Floristica et Geobotanica 44: 499–502.

Scott, G.A.M. & Stone, I.G. (1976). The Mosses of Southern Australia. (Academic Press: London, New York).

Seppelt, R.D. (2004).The Moss Flora of Macquarie Island, pp. 241–243. (Australian Antarctic Division, Commonwealth of Australia).

Streimann, H. & Klazenga, N. (2002). Catalogue of Australian Mosses. Flora of Australia Supplementary Series Number 17. (Australian Biological Resources Study: Canberra).

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Source

Published 12 September 2022.

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© Copyright Commonwealth of Australia, 2023
Last updated: Phillip Kodela; Feb 7, 2022 12:30 Status: Partial

Author - H.P. Ramsay

Editor(s) - P.G. Kodela

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Cite this profile as: H.P. Ramsay (2022) Dicranoweisia. In: Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water, Canberra. https://profiles.ala.org.au/opus/boa/profile/Dicranoweisia [Date Accessed: 13 April 2025]