Heteroplacidium zamenhofianum

Heteroplacidium zamenhofianum is a species of lichenicolous (lichen-eating) lichen in the family Verrucariaceae. As a juvenile, it is parasitic on some members of the lichen genus Staurothele, but later becomes independent and develops a brown, crustose thallus. Characteristic features of the lichen include its dark brown, somewhat squamulous thallus and relatively small ascospores. It is widely distributed in Europe and North America.

Heteroplacidium zamenhofianum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Eurotiomycetes
Order: Verrucariales
Family: Verrucariaceae
Genus: Heteroplacidium
Species:
H. zamenhofianum
Binomial name
Heteroplacidium zamenhofianum
(Clauzade & Cl.Roux) Gueidan & Cl.Roux (2007)
Synonyms[1]
  • Verrucaria zamenhofiana Clauzade & Cl.Roux (1985)

Taxonomy

The lichen was first formally described in 1985 by lichenologists Georges Clauzade and Claude Roux as a species of Verrucaria. The original publication was written in Esperanto, and the species epithet honours L. L. Zamenhof, creator of this language.[2] Cécile Gueidan and Roux transferred the taxon to Heteroplacidium in 2007,[3] after previous molecular phylogenetic analysis suggested that it should be placed in that genus.[4]

Habitat and distribution

Heteroplacidium zamenhofianum is initially parasitic on members of the Staurothele areolata species group, but becomes independent later in its life. The lichen was first reported from the Alps and the Pyrenees, and later from the Ural Mountains in Russia,[5] and Krasnodar Krai and Republic of Adygea in North Caucasus.[6] It was reported from North America for the first time in 1994.[7] In the San Bernardino Mountains of California, it was found growing on Staurothele drummondii.[8]

References
  1. "Synonymy: Verrucaria zamenhofiana Clauzade & Cl. Roux, Bull. Soc. bot. Centre-Ouest, Nouv. sér., num. spec. 7: 823 (1985)". Species Fungorum. Retrieved 21 May 2022.
  2. Clauzade, G.; Roux, C.; Houmeau, J.-M. (1985). Likenoj de Okcidenta Europa. Ilustrita determinlibro. Bulletin de la Société Botanique du Centre-Ouest (in Esperanto). Vol. 7. Saint-Sulpice-de-Royan. p. 823.
  3. Roux, C. (2007). "Likenoj de Okcidenta Eŭropo Suplemento 4a: eltiraĵoj 2 (extraits 2)". Bulletin d'information de l'Association Française de Lichénologie. 32 (2): 5–36.
  4. Gueidan, Cécile; Roux, Claude; Lutzoni, François (2007). "Using a multigene phylogenetic analysis to assess generic delineation and character evolution in Verrucariaceae (Verrucariales, Ascomycota)". Mycological Research. 111 (10): 1145–1168. doi:10.1016/j.mycres.2007.08.010. PMID 17981450.
  5. Urbanavichus, Gennadii; Urbanavichene, Irina (2011). "New records of lichens and lichenicolous fungi from the Ural Mountains, Russia". Folia Cryptogamica Estonica. 48: 119–124.
  6. Urbanavichus, Gennadii; Urbanavichene, Irina (2013). "New records of pyrenocarpous lichens from the NW Caucasus (Russia)". Herzogia. 26 (1): 123–129. doi:10.13158/heia.26.1.2013.123. S2CID 86033287.
  7. Breuss, Othmar; McCune, Bruce (1994). "Additions to the pyrenolichen flora of North America". The Bryologist. 97 (4): 365–370. doi:10.2307/3243901. JSTOR 3243901.
  8. Hutten, M.; Arup, U.; Breuss, O.; Esslinger, T.L.; Fryday, A.M.; Knudsen, K.; Lendemer, J.C.; Printzen, C.; Root, H.T.; Schultz, M.; Sheard, J.; Tønsberg, T.; McCune, B. (2013). "Lichens and lichenicolous fungi of Yosemite National Park, California". North American Fungi. 8: 1–47 [16]. doi:10.2509/naf2013.008.011.
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