# Stereocaulon > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Stereocaulon > Markdown URL: https://mediated.wiki/source/Stereocaulon.md > Source: https://en.wikipedia.org/wiki/Stereocaulon > Source revision: 1315045399 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) Genus of lichens Stereocaulon Stereocaulon tomentosum Scientific classification Kingdom: Fungi Division: Ascomycota Class: Lecanoromycetes Order: Lecanorales Family: Stereocaulaceae Genus: Stereocaulon Hoffm. (1796) Type species Stereocaulon paschale (L.) Hoffm. (1796) Species See text Synonyms Lachnocaulon Clem. & Shear (1931) ***Stereocaulon*** is a [genus](/source/Genus) of [lichens](/source/Lichen). Members of *Stereocaulon* are [commonly](/source/Common_name) called **rock foam lichens**.[1][2] [Photobiont](/source/Glossary_of_lichen_terms#photobiont) partners of *Stereocaulon* include [green algae](/source/Green_algae) from the genera *[Asterochloris](/source/Asterochloris)*, *[Chloroidium](https://en.wikipedia.org/w/index.php?title=Chloroidium&action=edit&redlink=1)*, and *[Vulcanochloris](https://en.wikipedia.org/w/index.php?title=Vulcanochloris&action=edit&redlink=1)*.[3] *Stereocaulon* is difficult to ID to species, but there is a high diversity of species within the genus. ## Species The following species are assigned to this genus: - *[Stereocaulon alpinum](/source/Stereocaulon_alpinum)* Laurer (1827) - *[Stereocaulon apocalypticum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_apocalypticum&action=edit&redlink=1)* Nyl. (1867) - *[Stereocaulon arcticum](/source/Stereocaulon_arcticum)* Lynge - *[Stereocaulon arenarium](/source/Stereocaulon_arenarium)* (L.I.Savicz) I.M.Lamb - *[Stereocaulon areolatum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_areolatum&action=edit&redlink=1)* McCune, E.Di Meglio & Tønsberg (2019) - *[Stereocaulon argus](https://en.wikipedia.org/w/index.php?title=Stereocaulon_argus&action=edit&redlink=1)* Hook.f. & Taylor (1844) - *[Stereocaulon austroshetlandicum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_austroshetlandicum&action=edit&redlink=1)* Øvstedal (2001) - *[Stereocaulon botryosum](/source/Stereocaulon_botryosum)* Ach. (1810) - *[Stereocaulon caespitosum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_caespitosum&action=edit&redlink=1)* Redinger (1936) - *[Stereocaulon capitellatum](/source/Stereocaulon_capitellatum)* H.Magn. - *[Stereocaulon cephalocrustatum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_cephalocrustatum&action=edit&redlink=1)* McCune, E.Di Meglio & Tønsberg (2019) - *[Stereocaulon compactum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_compactum&action=edit&redlink=1)* (I.M. Lamb) Øvstedal (2009) - *[Stereocaulon condensatum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_condensatum&action=edit&redlink=1)* Hoffm. (1796) - *[Stereocaulon corticatulum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_corticatulum&action=edit&redlink=1)* Nyl. (1858) - *[Stereocaulon cumulatum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_cumulatum&action=edit&redlink=1)* (Sommerf.) Timdal (2002) - *[Stereocaulon cymosum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_cymosum&action=edit&redlink=1)* Cromb. (1876) - *[Stereocaulon dactylophyllum](/source/Stereocaulon_dactylophyllum)* Flörke (1819) - *[Stereocaulon delisei](https://en.wikipedia.org/w/index.php?title=Stereocaulon_delisei&action=edit&redlink=1)* Bory ex Duby (1830) - *[Stereocaulon depressum](/source/Stereocaulon_depressum)* (Frey) I.M.Lamb - *[Stereocaulon evolutum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_evolutum&action=edit&redlink=1)* Graewe (1865) - *[Stereocaulon exalbidum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_exalbidum&action=edit&redlink=1)* Nyl. (1859) - *[Stereocaulon exutum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_exutum&action=edit&redlink=1)* Nyl. (1890) - *[Stereocaulon fecundum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_fecundum&action=edit&redlink=1)* McCune, E.Di Meglio & Tønsberg (2019) - *[Stereocaulon glareosum](/source/Stereocaulon_glareosum)* (Savicz) H.Magn. (1926) - *[Stereocaulon grande](/source/Stereocaulon_grande)* (H.Magn.) H.Magn. - *[Stereocaulon gregarium](https://en.wikipedia.org/w/index.php?title=Stereocaulon_gregarium&action=edit&redlink=1)* Redinger (1936) - *[Stereocaulon groenlandicum](/source/Stereocaulon_groenlandicum)* (E.Dahl) I.M.Lamb - *[Stereocaulon heardii](https://en.wikipedia.org/w/index.php?title=Stereocaulon_heardii&action=edit&redlink=1)* Øvstedal (2006) - *[Stereocaulon hypothallinum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_hypothallinum&action=edit&redlink=1)* McCune, E.Di Meglio & Tønsberg (2019) - *[Stereocaulon incrustatum](/source/Stereocaulon_incrustatum)* Flörke (1819) - *[Stereocaulon intermedium](/source/Stereocaulon_intermedium)* (Savicz) H.Magn. (1926) - *[Stereocaulon kangdingense](https://en.wikipedia.org/w/index.php?title=Stereocaulon_kangdingense&action=edit&redlink=1)* M.R.Huang & J.C.Wei (2004) - *[Stereocaulon klondikense](/source/Stereocaulon_klondikense)* T.Sprib. (2010) - *[Stereocaulon leucophaeopsis](https://en.wikipedia.org/w/index.php?title=Stereocaulon_leucophaeopsis&action=edit&redlink=1)* (Nyl.) P.James & Purvis (1985) - *[Stereocaulon magellanicum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_magellanicum&action=edit&redlink=1)* (Th.Fr.) Zahlbr. (1927) - *[Stereocaulon myriocarpum](/source/Stereocaulon_myriocarpum)* Th.Fr. - *[Stereocaulon nanodes](https://en.wikipedia.org/w/index.php?title=Stereocaulon_nanodes&action=edit&redlink=1)* Tuck. (1859) - *[Stereocaulon nivale](https://en.wikipedia.org/w/index.php?title=Stereocaulon_nivale&action=edit&redlink=1)* (Follmann) Fryday (2003) - *[Stereocaulon oregonense](https://en.wikipedia.org/w/index.php?title=Stereocaulon_oregonense&action=edit&redlink=1)* McCune, E.Di Meglio & Tønsberg (2019) - *[Stereocaulon paschale](/source/Stereocaulon_paschale)* (L.) Hoffm. (1796) - *[Stereocaulon pileatum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_pileatum&action=edit&redlink=1)* Ach. (1810) - *[Stereocaulon plicatile](https://en.wikipedia.org/w/index.php?title=Stereocaulon_plicatile&action=edit&redlink=1)* (Leight.) Fryday & Coppins (1996) - *[Stereocaulon ramulosum](/source/Stereocaulon_ramulosum)* Raeusch. (1797) - *[Stereocaulon rivulorum](/source/Stereocaulon_rivulorum)* H.Magn. - *[Stereocaulon saxatile](/source/Stereocaulon_saxatile)* H.Magn. (1926) - *[Stereocaulon sorediiphyllum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_sorediiphyllum&action=edit&redlink=1)* M.R.Huang & J.C.Wei (2004) - *[Stereocaulon soufrieranum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_soufrieranum&action=edit&redlink=1)* Øvstedal & Elix (2010) - *[Stereocaulon spathuliferum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_spathuliferum&action=edit&redlink=1)* Vain. (1909) - *[Stereocaulon subcoralloides](/source/Stereocaulon_subcoralloides)* Nyl. (1878) - *[Stereocaulon symphycheilum](/source/Stereocaulon_symphycheilum)* I.M.Lamb (1961) - *[Stereocaulon tomentosum](/source/Stereocaulon_tomentosum)* Fr. (1825) - *[Stereocaulon tornense](https://en.wikipedia.org/w/index.php?title=Stereocaulon_tornense&action=edit&redlink=1)* (H.Magn.) P.James & Purvis (1985) - *[Stereocaulon trachyphloeum](https://en.wikipedia.org/w/index.php?title=Stereocaulon_trachyphloeum&action=edit&redlink=1)* I.M.Lamb (1976) - *[Stereocaulon vesuvianum](/source/Stereocaulon_vesuvianum)* Pers. (1810) ## References 1. **[^](#cite_ref-1)** [Snow Lichen (Stereocaulon), Encyclopedia of Life](http://eol.org/pages/16606/overview) 1. **[^](#cite_ref-USDA_2-0)** [USDA Natural Resources Conservation Service Name Search](https://plants.usda.gov/java/nameSearch) 1. **[^](#cite_ref-Sanders_&_Masumoto_2021_3-0)** Sanders, William B.; Masumoto, Hiroshi (2021). ["Lichen algae: the photosynthetic partners in lichen symbioses"](https://doi.org/10.1017%2FS0024282921000335). *The Lichenologist*. **53** (5): 347–393. [Bibcode](/source/Bibcode_(identifier)):[2021ThLic..53..347S](https://ui.adsabs.harvard.edu/abs/2021ThLic..53..347S). [doi](/source/Doi_(identifier)):[10.1017/S0024282921000335](https://doi.org/10.1017%2FS0024282921000335). Taxon identifiers Stereocaulon Wikidata: Q2345436 Wikispecies: Stereocaulon AusLichen: 30019904 CoL: 7N67 EoL: 16606 EPPO: 1SRCLG FloraBase: 27560 GBIF: 2608513 iNaturalist: 122660 IndexFungorum: 5218 ITIS: 190030 MycoBank: 5218 NBN: NHMSYS0001498934 NCBI: 50938 NZOR: 29a0ac6b-b04c-4fc4-9e86-e681c569696c Open Tree of Life: 216186 PLANTS: STERE2 SpeciesFungorum: 5218 WoRMS: 438325 Authority control databases National Israel Other Yale LUX This Lecanorales-related article is a stub. You can help Wikipedia by adding missing information. - [v](https://en.wikipedia.org/wiki/Template:Lecanorales-stub) - [t](/source/Template_talk%3ALecanorales-stub) - [e](https://en.wikipedia.org/wiki/Special:EditPage/Template:Lecanorales-stub) --- Adapted from the Wikipedia article [Stereocaulon](https://en.wikipedia.org/wiki/Stereocaulon) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Stereocaulon?action=history)). 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