Orthotrichum truncato-dentatum 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Bryophyta Bryopsida Orthotrichales Orthotrichaceae

Scientific Name: Orthotrichum truncato-dentatum C. Muell.

Assessment Information [top]

Red List Category & Criteria: Endangered B1+2cd ver 2.3
Year Published: 2000
Date Assessed: 2000-01-01
Needs updating
Assessor(s): Bryophyte Specialist Group
Reviewer(s): Hallingbäck, T., Hodgetts, N., Geissler, P. & Tan, B. (Bryophyte Red List Authority)
The known area of occupancy is less than 500 km² with fewer than five localities and the habitats of this species seem to be declining. It therefore meets the IUCN criteria for Endangered based on the small fragmented area, less than five localities, and the decline of habitat quality.

Geographic Range [top]

Range Description:Last recorded subpopulations were in Montevideo in Uruguay and Isla Recreo in Argentina. But it is not currently known from any locality. The old collections were made more than 100 years ago. The genus Orthotrichum may be under-recorded in southern South America, and therefore more field work is needed to confirm its extent and population size.
Countries occurrence:
Argentina; Uruguay
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:On trees near human settlements.

Threats [top]

Major Threat(s): Heavy urbanization.

Citation: Bryophyte Specialist Group. 2000. Orthotrichum truncato-dentatum. The IUCN Red List of Threatened Species 2000: e.T39180A10167205. . Downloaded on 27 May 2018.
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