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Orthotrichum scanicum

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE BRYOPHYTA BRYOPSIDA ORTHOTRICHALES ORTHOTRICHACEAE

Scientific Name: Orthotrichum scanicum
Species Authority: Grönvall
Taxonomic Notes:

Orthotrichum holmenii from Kazakhstan shows that this taxon is conspecific with O. scanicum.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2010-10-19
Assessor(s): Bryophyte Specialist Group
Reviewer(s): Bergamini, A. & Gärdenfors, U.
Justification:
The knowledge of the distribution of O. scanicum has improved significantly in recent years. It has been collected in many new localities and re-found at other older ones. Moreover, the size of several known subpopulations is very large, and it seems that previous considerations about this taxon being threatened were based on imperfect knowledge regarding its status. Hence the status of this species is changed to Least Concern.
History:
2000 Vulnerable

Geographic Range [top]

Range Description: A large number of recent reports of O. scanicum and the examination of herbarium specimens have expanded the limits of distribution for this species considerably in the Mediterranean and Caucasian regions. In addition, the revision of the original collections of O. holmenii from Kazakhstan shows that this taxon is conspecific with O. scanicum. However, the name scanicum is older than holmenii. Today O. scanicum appears to occur throughout a wide circum-Tethyan area, including southern and Eastern Europe (Garilleti et al. 1999; Lara et al. 2001, 2003), northern Africa (Garilleti et al. 1997, Draper et al. 2003), Turkey (Erdag et al. 2004), and Georgia. However, it also spans a great part of central Europe and southern Fennoscandia, even if the subpopulations in some of these areas have vanished in recent years. It seems to have its optimum centre of occurrence in the mountainous areas of the Mediterranean Region, where it is frequent and abundant and colonizes several phorophytes (Draper et al. 2003; Erdag et al. 2004; Garilleti et al. 1999; Lara et al. 2001, 2003).

Since the initial evaluation of the conservation status of this species our knowledge of the distribution of O. scanicum has remarkably improved. It has been collected in many new localities and re-found at other ones. Moreover, the size of several known populations is significant, so it seems that previous considerations were based on imperfect knowledge regarding its status.
Countries:
Native:
Austria; Croatia; France; Georgia; Germany; Greece; Italy; Kazakhstan; Morocco; Portugal; Russian Federation; Serbia (Serbia); Spain; Turkey
Possibly extinct:
Belgium; Czech Republic; Hungary; Poland; Switzerland
Regionally extinct:
Denmark; Norway; Sweden
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: O. scanicum is no longer considered a rare moss in the mountains of the Mediterranean and the Caucasian regions, as it can be locally abundant in some forests, such as those of the Rif mountains in Morocco (Draper et al. 2003), or frequent in large areas, such as the Pyrenees (Garilleti et al. 1999), northern Greece (Lara et al. 2003) or northern Turkey (Erdag et al. 2004). However, in northern Europe it is still very rare and has not yet recovered from past decline.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It grows on trunks and branches of conifers as well as broad-leaf deciduous trees; is very rarely found on rocks (Garilleti et al. 1999).
Systems: Terrestrial

Threats [top]

Major Threat(s): Although there were past threats to this species in the northern European part of its range (logging and pollution), in the southern and eastern parts of its range there are no significant threats.

Conservation Actions [top]

Conservation Actions: Given its wide range this species must occur in a large number of protected areas.

Citation: Bryophyte Specialist Group 2012. Orthotrichum scanicum. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 22 December 2014.
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