Herbertus borealis
| Herbertus borealis | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Division: | Marchantiophyta |
| Class: | Jungermanniopsida |
| Order: | Jungermanniales |
| Family: | Herbertaceae |
| Genus: | Herbertus |
| Species: | H. borealis
|
| Binomial name | |
| Herbertus borealis | |
| Synonyms[2] | |
|
Herbertus delavayi | |
Herbertus borealis is a species of liverwort in the family Herbertaceae known as northern prongwort.[2] It was described in 1970 by Alan Crundwell.[3] It is endemic to Scotland, where it is found only in the Beinn Eighe nature reserve, and lives in dwarf shrub heath alongside other large liverworts such as Anastrophyllum donnianum, Bazzania tricrenata and Pleurozia purpurea.[2] A closely related species, described in 2012 as Herbertus norenus and known as "Viking prongwort", is known from Shetland and Norway and was formerly confused with H. borealis.[3]
Following molecular studies and based on morphological grounds, it was synonymized with H. delavayi, a species from Yunan, China.[4] However, after further study on key differences of DNA barcode sequences and key distinguishing features it was recommended these species remain distinct.[5] These variations were later suggested to arise from environmental conditions, arguing for of H. Borealis to be further synonymized with multiple other members of the Herbertus family, including H. buchii, H. dicranus, H. kurzii, H. longifissus, H. norenus, and H. stramineus under the broader H. aduncus.[6] This was later challenged by the claim that they often grow in close proximity, adding that it does not account for the clear morphological differences that arise from the small genetic variations, and has been subsequently rejected by some.[7] More research is therefore proposed as this debate remains unresolved.
References
[edit]- ^ Hodgetts, N.; Lockhart, N.; Rothero, G. (2019). "Herbertus borealis". IUCN Red List of Threatened Species. 2019: e.T39196A87795707. doi:10.2305/IUCN.UK.2019-2.RLTS.T39196A87795707.en. Retrieved 17 November 2021.
- ^ a b c David Long (2010). "Herbertus borealis". In Ian Atherton; Sam Bosanquet; Mark Lawley (eds.). Mosses and Liverworts of Britain and Ireland: A Field Guide. British Bryological Society. p. 76. ISBN 978-0-9561310-1-0.
- ^ a b David Bell & David Long (2012). "European Herbertus and the 'Viking prongwort'" (PDF). Field Bryology. 106: 3–14.
- ^ Feldberg, K.; Heinrichs, J. (2005). "On the identity of Herbertus borealis (Jungermanniopsida: Herbertaceae), with notes on the possible origin of H. sendtneri". Journal of Bryology. 27 (4): 343–350. doi:10.1179/174328205X72496.
- ^ Bell, D.; Long, D.G.; Forrest, A.D.; Hollingsworth, M.L.; Blom, H.H.; Hollingsworth, P.M. (2011). "DNA barcoding of European Herbertus (Marchantiopsida, Herbertaceae) and the discovery and description of a new species". Molecular Ecology Resources. 12 (1): 36–47. doi:10.1111/j.1755-0998.2011.03053.x.
- ^ He, S.; Sun, Y. (2017). "Contrasting patterns of postglacial range shifts between the northern and southern hemisphere in Herbertus (Herbertaceae, Marchantiophyta)". Systematics and Biodiversity. 15 (6): 541–551. doi:10.1080/14772000.2017.1291542.
- ^ Hodgetts, N.G.; Söderström, L.; Blockeel, T.L.; Caspari; et al. (2020). "An annotated checklist of bryophytes of Europe, Macaronesia and Cyprus". Journal of Bryology. 42 (1): 1–116. doi:10.1080/03736687.2019.1694329. hdl:10138/318856.
External links
[edit]- "Prongwort discovery 'unique' to the Highlands". BBC News. March 13, 2012.
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