Literature

Authors	Year	Title
C. M. Wetmore	1980	A New Species of Nephroma from North America
H. Kristinsson	1981	Additions to the lichen flora of Iceland II
J. Walter Thomson, Brehmer B.	1984	American Arctic Lichens I. The Macrolichens
I. Mart{\'ınez, Burgaz A.	1996	Anatomical study of Peltigera canina, P. membrancea and P. praetextata (lichenized Ascomycotina)
W. C. Denison	2003	Apothecia and ascospores of Lobaria oregana and Lobaria pulmonaria investigated
	2009	ArtDatabanken Swedish Species Information Centre
I. Mart{\'ınez, Aragón G.	1994	Cartograf{\'ıa corológica de l{\'ıquenes ibéricos. I [Chorologyc [sic] cartography of iberian lichens. I.].
P. M. McCarthy	2010	Checklist of the Lichens of Australia and its Island Territories
K. Palmqvist, Sancho, L. G., Matsson, J. - E., Dahlman, L., Valladares, F., Tehler, A.	2002	CO2 Exchange and Thallus Nitrogen across 75 Contrasting Lichen Associations from Different Climate Zones
	2002	Commitee on the Status of Endangered Wildlife in Canada (COSEWIC)
T. Ahti, Brodo, I. M., Noble, W. J.	1987	Contributions to the lichen flora of British Columbia, Canada
V. P. W. Miao, Rabenau, A., Lee, A.	1997	Cultural and molecular characterization of photobionts of Peltigera membranacea
P. Paulsrud, Rikkinen, J., Lindbald, P.	1998	Cyanobiont Specificity in Some Nostoc-Containing Lichens and in a Peltigera aphthosa Photosymbiodeme
T. Goward, Arsenault A.	2000	Cyanolichens and conifers: implications for global conservation
W. Paul Jordan, Rickson F. R.	1971	Cyanophyte Cephalodia in the Lichen Genus Nephroma
A. M. Shirazi, Muir, P. S., McCune, B.	1996	Environmental factors influencing the distribution of the lichens Lobaria oregana and L. pulmonaria
V. John, Breuss O.	2004	Flechten der östlichen Schwarzmeer-Region in der Türkei
J. Dey	1978	Fruticose and Foliose Lichens of the High-Mountain Areas of the Southern Appalachians
D. J. Galloway, James, P. W., .L.Wilkins, A.	1983	Further Nomenclatural and Chemical Notes on Pseudocyphellaria in New Zealand
S. C. Sillett	1994	Growth Rates of Two Epiphytic Cyanolichen Species at the Edge and in the Interior of a 700-Year-Old Douglas Fir Forest in the Western Cascades of Oregon
R. P. Cameron, Neily T.	2008	Heuristic model for identifying the habitats of Erioderma pedicellatum and other rare cyanolichens in Nova Scotia, Canada
S. L. Thrower	1988	Hong Kong Lichens
	2008	Index Fungorum [taxonomy information]
T. H. Nash_, III, Ryan, B. D., Gries, C., Bungartz, F.	2001	Lichen Flora of the Greater Sonoran Desert Region
K. Yazici	1999	Lichen flora of Trabzon [Trabzon ili likenleri]
D. H. S. Richardson, D. Hill, J., Smith, D. C.	1968	Lichen Physiology. XI. The Role of the Alga in Determining the Pattern of Carbohydrate Movement Between Lichen Symbionts
V. Alstrup, Hansen, E. Steen, Daniels, F. J. A.	2000	Lichenized, lichenicolous and other fungi from North and North-East Greenland
W. A. Leighton	1875	Lichenological memorabilia, No. 7 - Additions to the Lichen-Flora of Great-Britain etc. - On the characters of Peltigera canina, P. malacea and P. rufescens
O. Gilbert	2000	Lichens
E. Patrick Mccarthy	2001	Lichens 3
J. W. Thomson, Ahti T.	1994	Lichens Collected on an Alaska Highway Expedition in Alaska and Canada
J. W. Thomson, Weber W. A.	1992	Lichens Collected on the Arctic Excursion of the 9th International Botanical Congress (Montreal) in 1959
S. S. Talbot, Talbot, S. Looman, Thomson, J. W.	1991	Lichens of Attu Island, Alaska
I. M. Brodo, Sharnoff, S. Duran, Laurie-Bourque, S., Sharnoff, S.	2001	Lichens of North America
M. Haji Moniri, Sipman H. J. M.	2009	Lichens of two nature reserves in NE Iran
T. D. V. Swinscow, Krog H.	1988	Macrolichens of East Africa
B. Büdel, Meyer, A., Salzar, N., Zellner, H., Zotz, G., Lange, O. L.	2000	Macrolichens of montane rain forests in Panama, Province Chiriqu{\'ı
B. McCune, Geiser L.	1997	Macrolichens of the Pacific Northwest
O. Vitikainen	1988	Nephroma helveticum restituted for Finland
H. A. Imshaug	1950	New and noteworthy lichens from Mt. Rainier National Park
D. J. Galloway	1983	New taxa in the New Zealand lichen flora
C. J. B. Hitch, Millbank J. W.	1975	Nitrogen Metabolism in Lichens. VII. Nitrogenase Activity and Heterocyst Frequency in Lichens with Blue-Green Phycobionts
D. J. Galloway	1983	Nomenclatural notes on Pseudocyphellaria I. The Identity of Pseudocyphellaria neglecta
D. J. Galloway	1985	Nomenclatural notes on Pseudocyphellaria II: Some Southern Hemisphere Taxa
D. J. Galloway	1997	Nomenclatural notes on Pseudocyphellaria VI: Two Endemic Australian Taxa
D. J. Galloway	1986	Non-glabrous species of Pseudocyphellaria from Southern South America
R. P. Cameron, Richardson D. H. S.	2006	Occurrence and Abundance of Epiphytic Cyanolichens in Protected Areas of Nova Scotia
T. Hallingbäck	1989	Occurrence and ecology of the lichen Lobaria scrobiculata in southern Sweden
G. Keuck	1977	Ontogenetisch-systematische Studie über Erioderma im Vergleich mit anderen cyanophilen Flechtengattungen
T. H. Lumbsch, Huhndorf S. M.	2007	Outline of Ascomycota - 2007. [Classification Information]