Title: Biblio RTF Export
Author: Biblio 7.x

C. M.  Wetmore, ?The Lichen Family Heppiaceae in North America?, Annals of the Missouri Botanical Garden, vol. 57, pp. 158-209, 1970.

R. B.  Filson, ?The lichen genera Heppia and Peltula in Australia?, Muelleria, vol. 6, pp. 495-517, 1988.

T. D. V.  Swinscow and Krog, H., Macrolichens of East Africa. Dorchester: Henry Ling Ltd, The Dorset Press, 1988.

O.  Gilbert, Lichens. London: HarperCollins, 2000, p. 288.

J. Walter Thomson, American Arctic Lichens II. The Microlichens. Madison: The University of Wisconsin Press., 1997.

M.  Schultz and Büdel, B., ?Key to the genera of the Lichinaceae?, The Lichenologist, vol. 34, pp. 39-62, 2002.

T. H.  Nash_, III, Ryan, B. D., Gries, C., and Bungartz, F., Lichen Flora of the Greater Sonoran Desert Region, vol. 1. Tempe: Lichens Unlimited, 2001.

M.  Schultz, ?The saxicolous and terricolous, cyanobacterial lichens of Socotra (Yemen, Indian Ocean)?, Nova Hedwigia, vol. 77, pp. 73-97, 2003.

M.  Schultz and Büdel, B., ?On the systematic position of the lichen genus Heppia?, The Lichenologist, vol. 35, pp. 151-156, 2003.

?ArtDatabanken Swedish Species Information Centre?, 2009.

?Index Fungorum [taxonomy information]?, 2008.

M.  Schultz, ?On the identity of Anema dodgei, Psorotichia segregata and psorotichia squamulosa, three misunderstood cyanolichens from the southwestern United States?, The Bryologist, vol. 110, pp. 286-294, 2007.