Marsupella profunda: Difference between revisions
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==Distribution and habitat== |
==Distribution and habitat== |
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The species is rare in a British context; it is known from just three locations, all in west [[Cornwall]]. These three sites [[Lower Bostraze and Leswidden SSSI|Lower Bostraze and Leswidden]], [[St Austell Clay Pits]] and [[Tregonning Hill]] are all protected as [[Sites of Special Scientific Interest]].<ref>{{cite web|title=Lower Bostraze And Leswidden|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/2000182.pdf|publisher=[[Natural England]]|accessdate=11 January 2012|year=1996}}</ref><ref name=StAustell>{{cite web|title=St Austell Clay Pits|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/2000425.pdf|publisher=[[Natural England]]|accessdate=11 January 2012|year=2000}}</ref><ref>{{cite web|title=Tregonning Hill|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/1007148.pdf|publisher=[[Natural England]]|accessdate=11 January 2012|year=1994}}</ref> It is also internationally rare, being known only from [[Portugal]], the [[Canary Islands]], the [[Azores]] and [[Madeira]]; throughout this range it is a |
The species is rare in a British context; it is known from just three locations, all in west [[Cornwall]]. These three sites [[Lower Bostraze and Leswidden SSSI|Lower Bostraze and Leswidden]], [[St Austell Clay Pits]] and [[Tregonning Hill]] are all protected as [[Sites of Special Scientific Interest]].<ref>{{cite web|title=Lower Bostraze And Leswidden|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/2000182.pdf|publisher=[[Natural England]]|accessdate=11 January 2012|year=1996}}</ref><ref name=StAustell>{{cite web|title=St Austell Clay Pits|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/2000425.pdf|publisher=[[Natural England]]|accessdate=11 January 2012|year=2000}}</ref><ref>{{cite web|title=Tregonning Hill|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/1007148.pdf|publisher=[[Natural England]]|accessdate=11 January 2012|year=1994}}</ref> It is also internationally rare, being known only from [[Portugal]], the [[Canary Islands]], the [[Azores]] and [[Madeira]]; throughout this range it is a vulnerable species.<ref>{{cite web|title=1390 Western rustwort|url=http://jncc.defra.gov.uk/protectedsites/sacselection/species.asp?FeatureIntCode=S1390|publisher=[[Joint Nature Conservation Committee]]|accessdate=12 January 2012}}</ref> |
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Within Cornwall, Western Rustwort is generally found growing on micaceous or clay waste substrates which are flat or gently sloping. Some patches occur on granitic rocks,usually where these are soft or crumbling. It appears to be a pioneer species, the largest populations being found on surfaces showing the early stages of colonisation by other bryophytes and by vascular plants.<ref name=StAustell /> |
Within Cornwall, Western Rustwort is generally found growing on micaceous or clay waste substrates which are flat or gently sloping. Some patches occur on granitic rocks,usually where these are soft or crumbling. It appears to be a pioneer species, the largest populations being found on surfaces showing the early stages of colonisation by other bryophytes and by vascular plants.<ref name=StAustell /> |
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Revision as of 15:16, 12 January 2012
| Marsupella profunda | |
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| Species: | M. profunda
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| Binomial name | |
| Marsupella profunda Lindb.
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Marsupella profunda (Western Rustwort) is a plant species of liverwort.
Distribution and habitat
The species is rare in a British context; it is known from just three locations, all in west Cornwall. These three sites Lower Bostraze and Leswidden, St Austell Clay Pits and Tregonning Hill are all protected as Sites of Special Scientific Interest.[1][2][3] It is also internationally rare, being known only from Portugal, the Canary Islands, the Azores and Madeira; throughout this range it is a vulnerable species.[4]
Within Cornwall, Western Rustwort is generally found growing on micaceous or clay waste substrates which are flat or gently sloping. Some patches occur on granitic rocks,usually where these are soft or crumbling. It appears to be a pioneer species, the largest populations being found on surfaces showing the early stages of colonisation by other bryophytes and by vascular plants.[2]
Conservation
The species has several conservation designations. It is listed on Schedule 8 of the Wildlife and Countryside Act 1981, in Appendix 1 of the Bern Convention, and in Annex II of the European Community Habitats and Species Directive.
References
- ^ "Lower Bostraze And Leswidden" (PDF). Natural England. 1996. Retrieved 11 January 2012.
- ^ a b "St Austell Clay Pits" (PDF). Natural England. 2000. Retrieved 11 January 2012.
- ^ "Tregonning Hill" (PDF). Natural England. 1994. Retrieved 11 January 2012.
- ^ "1390 Western rustwort". Joint Nature Conservation Committee. Retrieved 12 January 2012.