Placidium

Taxonavigation

Taxonavigation: Verrucariales
Superregnum: Eukaryota Regnum: Fungi Subregnum: Dikarya Divisio: Ascomycota Subdivisio: Pezizomycotina Classis: Eurotiomycetes Subclassis: Chaetothyriomycetidae Ordo: Verrucariales

Familia: Verrucariaceae
Genus: Placidium
Species: P. acarosporoides – P. analogicum – P. andicola – P. arboreum – P. boccanum – P. californicum – P. chilense – P. corticola – P. elisavetae – P. fingens – P. imbecillum – P. imitans – P. kaernefeltii – P. krylovianum – P. lachneum – P. lachneoides – P. lacinulatum – P. lesdainii – P. michelii – P. norvegicum – P. pilosellum – P. podolepis – P. pseudorufescens – P. ruiz-lealii – P. rufescens – P. semaforonense – P. squamulosum – P. subrufescens – P. tenellum – P. tuckermanii – P. umbrinum – P. velebiticum – P. yoshimurae

Name

Placidium A. Massal., 1855

Family: Verrucariaceae

Type species: Placidium michelii A. Massal., 1856

Life habit: Lichenized

Synonymy

• Dermatocarpella H.Harada, Nat. Hist. Res. 2 (2): 137 (1993)

References

Primary

• A. Massal., Symm. Lich. Nov.: 75 (1855)

• Massalongo, A.B. (1855) Symmicta lichenum novorum vel minus cognitorum. - Tip. Antonellianis\Verona. 1-156 pp.   **[Mattick Rec.# 33108] - (Recent Literature on Lichens - Mattick No.)** (PDF file)

Secondary

• Breuss, O. (1990) Die Flechtengattung Catapyrenium (Verrucariaceae) in Europa. - Stapfia 23: 1–153.   **[RLL List # / Rec.# 2316] - (Recent Literature on Lichens)** (PDF file)

• Breuss, O. (1993) Catapyrenium (Verrucariaceae) species from South America. - Plant Systematics and Evolution 185: 17–33.   **[RLL List # 151 / Rec.# 2321] - (Recent Literature on Lichens)** (First page)

• Breuss, O. (1996) Ein verfeinertes Gliederungskonzept für Catapyrenium (lichenisierte Ascomyceten, Verrucariaceae) mit einem Schlüssel für die bisher bekannten Arten. Annalen des Naturhistorischen Museums in Wien 98 B Suppl: 35–50.   **[RLL List # 166 / Rec.# 2332] - (Recent Literature on Lichens)**

• Breuss, O. (2000) New taxa of pyrenocarpous lichens from the Sonoran region. - The Bryologist 103 (4): 705–709.   **[RLL List # 182 / Rec.# 21530] - (Recent Literature on Lichens)** (JSTOR)

• Breuss, O. (2002) Placidium (pp. 384-393) In: Nash III, T.H.; Ryan, B.D.; Gries, C. and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 1. Lichens Unlimited, Arizona State University, Tempe, Arizona, 532 pages.   **[RLL List # 187 / Rec.# 23103] - (Recent Literature on Lichens)**

• Breuss, O. and Bratt, C.C. (2000) Catapyrenoid lichens in California. - Bulletin of the California Lichen Society 7 (2): 36–43.   **[RLL List # 182 / Rec.# 21633] - (Recent Literature on Lichens)** (Web site)

• Gueidan, C.; Savić, S.; Thüs, H.; Roux, C.; Keller, C.; Tibell, L.; Prieto, M.; Heiðmarsson, S.; Breuss, O.; Orange, A.; Fröberg, L.; Amtoft Wynns, A.; Navarro-Rosinés, P.; Krzewicka, B.; Pykälä, J.; Grube, M. and Lutzoni, F. (2009) Generic classification of the Verrucariaceae (Ascomycota) based on molecular and morphological evidence: recent progress and remaining challenges. - Taxon 58 (1): 184–208.   **[RLL List # 214 / Rec.# 30830] - (Recent Literature on Lichens)** (PDF file)

• Harada, H. (1993) A taxonomic study of the lichen genus Endocarpon (Verrucariaceae) in Japan. - Nova Hedwigia 56 (3-4): 335–353.   **[RLL List # 153 / Rec.# 7715] - (Recent Literature on Lichens)** (Illustrations of Placidium squamulosum: pp. 138 & 140)

• Bouly de Lesdain, M. (1932) Lichens de l'etat de New-Mexico (USA) recueillis par le frère G. Arsène Brouard. - Annales de Cryptogamie Exotique\Ann. Crypt. Exot. 5: 89–139.   **[Mattick Rec.# 25784] - (Recent Literature on Lichens - Mattick No.)**

• Lendemer, J.C. (2004) Lichens of Eastern North America Exsiccati. Fascicle III, nos. 101-150. Opuscula Philolichenum 1: 41–54.   **[RLL List # 194 / Rec.# 25263] - (Recent Literature on Lichens)** (PDF file)

• McCune, B. and Rosentreter, R. (2007) Biotic Soil Crust Lichens of the Columbia Basin. Monographs in North American Lichenology. Volume 1. Northwest Lichenologists, Ltd., Corvallis. 105 pages.   **[RLL List # 206 / Rec.# 29002] - (Recent Literature on Lichens)**

• Nash III, T.H.; Ryan, B.D.; Davis, W.C.; Breuss, O.; Hafellner, J.; Lumbsch, H.T.; Tibell, L. and Feuerer (1998) Additions to the lichen flora of Arizona IV. The Bryologist 101: 93–99.   **[RLL List # 170 / Rec.# 13407] - (Recent Literature on Lichens)** (JSTOR)

• Thomson, J.W. (1987) The lichen genera Catapyrenium and Placidiopsis in North America. - The Bryologist 90: 27–39.   **[RLL List # xx / Rec.# 18497] - (Recent Literature on Lichens)** (JSTOR)

• Flora of Australia - Information on the genus, Placidium

Links

• Index Fungorum

• MycoBank

Vernacular names

English: Stipplescale lichens,   Earthscale lichens