{{Short description|Species of alga}} {{Speciesbox |image = |genus = Lithothamnion |species = glaciale |authority = Kjellman }}
thumb | right '''''Lithothamnion glaciale''''' is the botanical name for a species of multicellular red algae of the genus ''Lithothamnion'', subfamily Melobesioideae.
==Description== ''Lithothamnion glaciale'' grows as an encrusting, chalky thallus, deep reddish in colour and up to 20cm in diameter and 4mm thick. It develops simple cylindrical branches growing to 15mm long and 4mm in diameter.<ref name = Irvine>Irvine, L.M. and Chamberlain, Y.M.1994. ''Seaweeds of the British Isles Volume 1 Rhodophyta Part 2B Corallinales, Hildenbrandiales''. The Natural History Museum, London.{{ISBN|0 11 310016 7}}</ref><ref>Morton, O. 1994. ''Marine Algae of Northern Ireland''. Pl 12 Ulster Museum, Belfast.{{ISBN|0 900761 28 8}}</ref>
==Reproduction== These algae are dioecious, with domed spermatangial conceptacles, carpogonial conceptacles and carposporangial conceptacles.<ref name=Irvine/>
==Habitat== Lithothamnion glaciale are present in coralline algae beds in many regions of the Arctic. They are also present in marine habitats in temperate waters where higher average temperatures prevail.<ref>{{Cite journal |last1=Schoenrock |first1=Kathryn M. |last2=Bacquet |first2=Marion |last3=Pearce |first3=Danni |last4=Rea |first4=Brice R. |last5=Schofield |first5=J. Edward |last6=Lea |first6=James |last7=Mair |first7=Doug |last8=Kamenos |first8=Nicholas |date=October 2018 |editor-last=Amsler |editor-first=C. |title=Influences of salinity on the physiology and distribution of the Arctic coralline algae, Lithothamnion glaciale (Corallinales, Rhodophyta) |url=https://onlinelibrary.wiley.com/doi/10.1111/jpy.12774 |journal=Journal of Phycology |language=en |volume=54 |issue=5 |pages=690–702 |doi=10.1111/jpy.12774 |pmid=30079466 |bibcode=2018JPcgy..54..690S |hdl=2164/12921 |issn=0022-3646|hdl-access=free }}</ref> It grows on the surface of rock in low-littoral pools and in the sublittoral to 34m.<ref name=Irvine/>
==References== {{Reflist}}
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Category:Corallinaceae
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