Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Candelariomycetes
Subclassis: Candelariomycetidae
Ordo: Candelariales
Familia: Candelariaceae
Genus: Candelinella
Species: C. deppeanae – C. makarevichiae
Name
Candelinella S.Y. Kondr., 2020
Index Fungorum: IF 836762
MycoBank: MB 836762
Type Species: Candelinella makarevichiae (S.Y. Kondr., Lőkös & Hur) S.Y. Kondr., 2020
References
Primary references
Kondratyuk SY, Lőkös L, Jeong MH, Oh SO, Kondratiuk AS, Hur JS. Contributions to Molecular Phylogeny of Lichen-Forming Fungi, 1. The Family Candelariaceae. Acta Botanica Hungaricae. 2020 Oct 22;62(3-4):293-307. DOI: 10.1556/034.62.2020.3-4.4
Candelinella is a genus of lichen-forming fungi in the family Candelariaceae.[1][2] It contains two species of crustose lichens. It is visually similar to the genus Candelina but has unique features, including a distinct thallus and unique spore structures. It was established by Sergey Kondratyuk in 2020, with Candelinella makarevichiae assigned as the type species. The genus is distinguished by the small, crustose thallus that ranges from a granular to areolate or squamulose texture, and the simple to 1-septate, narrowly ellipsoid to oblong ascospores. Its lack of a lower cortex and medulla further sets it apart from Candelina.
Taxonomy
The genus Candelinella was circumscribed by Ukrainian lichenologist Sergey Kondratyuk in 2020, with Candelinella makarevichiae assigned as the type species. Its name reflects its similarities to the genus Candelina, based on combined multigene and nuclear ribosomal DNA internal transcribed spacer (nrITS) phylogenies. It shares a sister position with Candelina in the phylogenetic tree; however, it distinguishes itself with a loosely attached, areolate to squamulose thallus and ascospores that are simple to 1-septate, and narrowly ellipsoid to oblong. Additionally, Candelinella lacks a lower cortex and medulla. Candelinella makarevichiae was initially described from samples collected from the bark of both deciduous and coniferous trees.[3]
Candelinella is morphologically similar to Candelina but has certain distinguishing features including a distinct thallus and unique ascospore structure. A significant finding in the taxonomic history of Candelinella was the determination that Candelariella subsquamulosa, described from South Korea by Dong Liu and Jae-Seoun Hur,[4] is a new synonym for C. makarevichiae, based on nrITS phylogeny and identical sequences of the holotype and isotype specimens.[3]
Description
Candelinella is recognised by its small, crustose thallus that varies from granular to areolate or squamulose. The thallus, which ranges from green yellow to orange yellow, is typically convex, rounded to angular or irregular in outline, and sometimes aggregated into thicker crusts. Its apothecia are lecanorine and darker yellow than the thallus, usually becoming strongly convex. The ascospores of this genus are hyaline, simple to 1-septate, and narrowly ellipsoid to oblong. Several lichen products are found in the genus, including calicin, pulvinic acid, pulvinic dilactone, and vulpinic acid.[3]
Habitat and distribution
The genus Candelinella includes two identified Species: Candelinella makarevichiae from East Asia and C. deppeanae from south-western North America. The latter, however, may belong to a different genus due to a relatively low level of support for the Candelinella subclade. These lichens are found on the bark or decorticated trunks of both coniferous (Juniperus deppeana and Pinus spp.) and deciduous trees (such as oak and cherry) and shrubs, in diverse ecosystems ranging from desert scrub and riparian woodland to pine forests, up to 2,100 m (6,900 ft) above sea level.[3]
References
"Candelinella". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 11 June 2023.
Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K.; et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere. 13 (1): 53–453. doi:10.5943/mycosphere/13/1/2. hdl:10481/76378. S2CID 249054641.
Kondratyuk, S.Y.; Lőkös, L.; Jeong, M.-H.; Oh, S.-O.; Kondratiuk, A.S.; Hur, J.-S. (2020). "Contributions to molecular phylogeny of lichen-forming fungi, 1. The family Candelariaceae" (PDF). Acta Botanica Hungaricae. 62 (3–4): 293–307. doi:10.1556/034.62.2020.3-4.4. S2CID 228989603.
Liu, Dong; Wang, Lisong; Wang, Xin Yu; Hur, Jae-Seoun (2019). "Two new species of the genus Candelariella from China and Korea". Mycobiology. 47 (1): 40–49. doi:10.1080/12298093.2019.1583785. PMC 6452912. PMID 31001449.
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