Synonym

• Gyrophora dillenii (Tuck.) Müll. Arg., 1950

Primary references

• Zahlbruckner, A. Catalogus Lichenum Universalis 4, 1926-1927, page 753

• Umbilicaria mammulata Tuck. in Proceed. Americ. Acad. Arts and Scienc. vol. I, 1848, p. 261.

• Tuckerman, E. (1847) A synopsis of the lichens of New England, the Northern United States and British America. - Proceedings of the American Academy of Arts and Sciences 1: 195–285.   **[Mattick Rec.# 30331] - (Recent Literature on Lichens - Mattick No.)** (BHL)

References

• Brodo, I.M.; Sharnoff, S.D. and Sharnoff, S. (2001) Umbilicaria (pp. 696-709) In, Lichens of North America. Yale University Press, New Haven, 795 pages. (Discussion of Umbilicaria mammulata and distribution map for North America: p. 704; color photo: p. 705, plate 865)

• Flenniken, D. (1999) Umbilicaria Hoffm. (pp. 205-207) In The Macrolichens In West Virginia, 231 pages, 26 plates. (Published by D. Flenniken, 2273 Blachleyville Rd, Wooster, Ohio 44691)   **[RLL List # 175 / Rec.# 5723] - (Recent Literature on Lichens)** (Discussion of Umbilicaria mammulata: p. 206; color photo: Plate, 23 H)

• Hinds, J.W. and Hinds, P.L. (2007) Umbilicaria Hoffm., 1789 (pp. 477-487) In, The Macrolichens of New England. - Memoirs of the New York Botanical Garden No. 96. New York Botanical Garden Press, Bronx, New York. 584 pp.   **[RLL List # 210 / Rec.# 30032] - (Recent Literature on Lichens)** (Discussion of Umbilicaria mammulata: pp. 482-483; color photo: p. 483, fig. 314)

• Thomson, J.W. (1984) Umbilicaria Hoffm., (pp. 439-461). In, American Arctic Lichens: 1. The Macrolichens. Columbia University Press, New York, 504 pages.   **[RLL List # 124-96 / Rec.# 18494] - (Recent Literature on Lichens)** (Discussion of Umbilicaria mammulata: pp. 453 & 455; sketch and distribution map for the American arctic: p. 454)

• Thomson, J.W. (2003) Umbilicaria Hoffm. (pp. 234-235) In, Lichens of Wisconsin. Wisconsin State Herbarium, University of Wisconsin-Madison, 386 pages.   **[RLL List # 190 / Rec.# 24161] - (Recent Literature on Lichens)** (Discussion of Umbilicaria mammulata: p. 235)

Links

• USDA Plants Database

• North American Lichen Checklist, Version (#16) 18 June 2010.

• Index Fungorum

• MycoBank

Links to photos

• Stephen Sharnoff's Lichen Photos - Umbilicaria mammulata

Podcast lecture

• Podcast lecture on lichens]
• Lichens - Xanthoparmelia plittii & Umbilicaria mammulata
• Ari Daniel Shapiro visits with mycologist Anne Pringle and graduate student Benjamin Wolfe at Harvard University.