Peltigera horizontalis

Familia: Peltigeraceae
Subfamilia: Peltigeroideae
Genus: Peltigera
Species: Peltigera horizontalis

Peltigera horizontalis (Hudson) Baumg., 1790

Basionym

• Lichen horizontalis Huds., 1762

• Omphalia pseudoandrosacea (Bull.) J.Kickx f.
  
• Peltidea horizontalis (Huds.) Ach., 1803
  
• Peltigera horizontalis f. muscorum Bull.

• Baumg., Fl. Lips.: 562 (1790)

• Baumgarten, J.C.G. (1790) Flora Lipsiensis, sistens plantas circuli ipsici etc. cum tab. 2 aen. col. - Lipsiae. 1-741 + 3 pp.   **[Mattick Rec.# 23195] - (Recent Literature on Lichens - Mattick No.)**

• Brodo, I.M., Sharnoff, S.D. and Sharnoff, S. (2001) Peltigera (pp. 503-522) In, Lichens of North America. Yale University Press, New Haven, 795 pages.   **[RLL List # 184 / Rec.# 22465] - (Recent Literature on Lichens)**   (Peltigera horizontalis, description & 2 photos: p. 510)

• Burgaz, A.R. and Martínez, I. (2003) Peltigerales: Lobariaceae, Nephromataceae, Peltigeraceae. Flora Liquenológica Ibérica. Sociedad Española de Liquenologia: Murcia, Spain, 61 pp.   **[RLL List # 193 / Rec.# 25009] - (Recent Literature on Lichens)**   (Peltigera horizontalis illustration: p. 51)

• Dobson, F.S. (2000) Peltigera (pp. 279-86) In, Lichens: An illustrated guide to the British and Irish species. The Richmond Publishing Co., Ltd., Slough, England, 431 pp.   **[RLL List # 184 / Rec.# 22402] - (Recent Literature on Lichens)**   (Peltigera horizontalis: p. 284)

• Goffinet, B. and Hastings, R.I. (1994) The Lichen Genus Peltigera (Lichenized Ascomycetes) in Alberta. Natural History Occasional Paper, 21 , Provincial Museum of Alberta, Edmonton. 54 pp.   **[RLL List # 157 / Rec.# 6776] - (Recent Literature on Lichens)**

• Goward, T., McCune, B. & Meidinger, D.V. 1994. The lichens of British Columbia - Illustrated Keys - Part 1 - Foliose and Squamulose Species. Province of British Columbia, Ministry of Forests Research Program, 181 pp. (RLL List # 156 / Rec.# 6950 - Recent Literature on Lichens) [1] Reference page. : Peltigera (pp. 97-106).

• Hinds, J.W. and Hinds, P.L. (2007) Peltigera (pp. 355-374). In, The Macrolichens of New England. The New York Botanical Garden Press, 584 pp.   **[RLL List # 210 / Rec.# 30032] - (Recent Literature on Lichens)**   (Peltigera horizontalis, description: pp. 364-65; photo: p. 364)

• Purvis, O.W.; Coppins, B.J.; Hawksworth, D.L.; James, P.W. and Moore, D.M. (eds.) (1992) Peltigera (pp. 440-447). In, The Lichen Flora of Great Britain and Ireland. London: Natural History Museum Publication, 710 pp.   **[RLL List # 151 / Rec.# 15105] - (Recent Literature on Lichens)**   (Peltigera horizontalis: p. 446-47)

• Thomson, J.W. (1984) Peltigera (pp. 327-46). In, American Arctic Lichens: 1. The Macrolichens. Columbia University Press, New York, 504 pages.   **[RLL List # 124-96 / Rec.# 18494] - (Recent Literature on Lichens)**   (Peltigera horizontalis, description: p. 336; illustration & map: 337)

• Thomson, J.W. (2003) Peltigera (pp. 164-170). In, Lichens of Wisconsin. Wisconsin State Herbarium, University of Wisconsin-Madison, 386 pages.   **[RLL List # 190 / Rec.# 24161] - (Recent Literature on Lichens)**   (Peltigera horizontalis: p. 167)

• Vitikainen, O. (1994) Taxonomic revision of Peltigera (lichenized Ascomycotina) in Europe. Acta Botanica Fennica 152: 1–96.   **[RLL List # 157 / Rec.# 19828] - (Recent Literature on Lichens)**   (Peltigera horizontalis illustration: p. 46.)

• Vitikainen, O. (2004) Peltigera (pp. 389-399) In: Nash III, T.H.; Ryan, B.D.; Gries, C. and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 2. Lichens Unlimited, Arizona State University, Tempe, Arizona, 742 pages.   **[RLL List # 196 / Rec.# 25937] - (Recent Literature on Lichens)**   (Peltigera horizontalis: p. 393)

• Wirth, V. (1995) Peltigera (pp. 676-691) In, Die Flechten Baden-Württembergs, Teil 1 & 2. Eugen Ulmer GmbH & Co., Stuttgart. 1006 pp.   **[RLL List # 159 / Rec.# 20405] - (Recent Literature on Lichens)**   (Peltigera horizontalis: pp. 681, 684; photos: pp. 11 & 683)

• USDA Plants Database

• North American Lichen Checklist (Apr. 2008)

• Index Fungorum

• MycoBank

• Stephen Sharnoff's Lichen Photos -Peltigera horizontalis

• Flechtenbilder (Lichen Images) by Ulrich Kirschbaum - Peltigera horizontalis

• The Lichen Herbarium, Natural History Museum, University of Oslo, Norway (Photo Gallery) - Peltigera horizontalis

• Lichen Gallery of Leif & Anita Stridvall - Peltigera horizontalis

• Irish lichens (photos and descriptions) - Peltigera horizontalis