Literature

Authors	Year	Title
M. A. G. Otálora, Aragón, G., Mart{\'ınez, I., Molina, M. C.	2004	A new corticolous species of Leptogium (Collemataceae) from Spain
W. Nylander	1879	Addenda nova ad Lichenographiam Europaeam
J. Walter Thomson, Brehmer B.	1984	American Arctic Lichens I. The Macrolichens
	2009	ArtDatabanken Swedish Species Information Centre
	2002	Commitee on the Status of Endangered Wildlife in Canada (COSEWIC)
B. McCune, Hutchinson, J., Berryman, S.	2002	Concentration of Rare Epiphytic Lichens along Large Streams in a Mountainous Watershed in Oregon, U.S.A.
T. Goward, Arsenault A.	2000	Cyanolichens and conifers: implications for global conservation
F. Bungartz	2008	Cyanolichens of the Galapagos Islands- The genera Collema and Leptogium
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
P. M. Jørgensen	1994	Further notes on European Taxa of the Lichen Genus Leptogium, with emphasis on the small species
D. ERTZ, Diederich P.	2006	Gelatinopsis leptogii (Helotiales, Ascomycota), a new lichenicolous fungus on Leptogium byssinum from Belgium and Germany
R. P. Cameron, Neily T.	2008	Heuristic model for identifying the habitats of Erioderma pedicellatum and other rare cyanolichens in Nova Scotia, Canada
	2008	Index Fungorum [taxonomy information]
T. Tønsberg	1994	Leptogium cochleatum and Rinodina isidioides new to Scandinavia
M. Lindström	1993	Leptogium degelii, a new species from South America
P. M. Jørgensen	1994	Leptogium palustre, a new Lichen from East Africa
D. Stone, Ruchty A.	2008	Leptogium siskiyouensis, a new epiphytic lichen species from the Pacific Northwest of the United States
K. Yazici	1999	Lichen flora of Trabzon [Trabzon ili likenleri]
O. Gilbert	2000	Lichens
J. W. Thomson, Ahti T.	1994	Lichens Collected on an Alaska Highway Expedition in Alaska and Canada
I. M. Brodo, Sharnoff, S. Duran, Laurie-Bourque, S., Sharnoff, S.	2001	Lichens of North America
C. W. Harris	1904	Lichens: Collema and Leptogium
C. M. Wetmore	1976	Macrolichens of Big Bend National Park, Texas
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
J. L. E. Peck, Grabner, J., Ladd, D., Larson, D. R.	2004	Microhabitat affinities of Missouri Ozarks Lichens
A. Aptroot	2002	New and interesting lichens and lichenicolous fungi in Brazil
G. Aragón, mart{\'ınez, I., Otálora, M. A. G.	2004	New data on the distribution of Leptogium azureum (Swartz) Mont.
C. M. Thomas	1996	New report of lichens from southern Africa
A. Aptroot, Sparrius, L. B., Lai, M. - J.	2002	New Taiwan Macrolichens
C. J. B. Hitch, Millbank J. W.	1975	Nitrogen Metabolism in Lichens. VII. Nitrogenase Activity and Heterocyst Frequency in Lichens with Blue-Green Phycobionts
P. M. Jørgensen, Tønsberg T.	1999	Notes on Some Small Species of Leptogium from Pacific North America
T. Goward, Diederich, P., Rosentreter, R.	1994	Notes on the Lichens and Allied Fungi of British Columbia II
T. H. Lumbsch, Huhndorf S. M.	2007	Outline of Ascomycota - 2007. [Classification Information]
T. Carlberg	2003	Pacific Northwest lichens in northern California
M. A. G. Otálora, Lutzoni, F. {\cc}ois, Mart{\'ınez, I., M. Molina, C., Aragón, G.	2008	Phylogenetic relationships and taxonomy of the Leptogium lichenoides group (Collemataceae, Ascomycota) in Europe
H. Hedenås, Ericson L.	2003	Response of Epiphytic Lichens on Populus tremula in a Selective Cutting Experiment
C. W. Dodge	1964	Some Lichens of Tropical Africa IV: Dermatocarpaceae to Pertusariaceae
E. R. C. A. Tischer Cabonero, Cosentino, C., Gorin, P. A. J., Iacomini, M.	2003	Structural Characterization of a galactomannen from the cyanolichen Leptogium azureum
P. M. Jørgensen, James P. W.	1983	Studies on some Leptogium species of Western Europe
L. Zedda	2002	The Epiphytic Lichens on Quercus in Sardinia (Italy) and Their Value as Ecological Indicators
C. W. Dodge	1933	The foliose and fruticose lichens of Costa Rica I.
H. A. Sierk	1964	The Genus Leptogium in North America North of Mexico
O. W. Purvis, Moore, D. M., Coppins, B. J., Hawksworth, D. L., James, P. W.	1992	The Lichen Flora of Great Britian and Ireland
G. Aragón, mart{\'ınez, I., Otálora, M. A. G.	2004	The Lichen Leptogium subaridum, a new Mediterranean-NW American disjunction
P. L. Nimis	1993	The Lichens of Italy: An annotated catalogue
Y. Sil Park	1990	The Macrolichen Flora of South Korea
J. W. Hinds, Hinds P. L.	2007	The Macrolichens of New England