Literature

Authors	Year	Title
A. Singh	1978	Three Foliicolous lichen species from Andaman Islands, new to Indian flora
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
M. E. López de Silanes, G. Bermúdez P.	2002	Contribución a la flora liquénica de São Miguel de Azores (Portugal)
L. L. Sigal, Nash, III T. H.	1983	Lichen Communities on Conifers in Southern California Mountains: An Ecological Survey Relative to Oxidant Air Pollution
H. A. Sierk	1964	The Genus Leptogium in North America North of Mexico
A. M. Shirazi, Muir, P. S., McCune, B.	1996	Environmental factors influencing the distribution of the lichens Lobaria oregana and L. pulmonaria
A. Shimizu	2004	Community Structure of Lichens in the Volcanic Highlands of Mt. Tokachi, Hokkaido, Japan
R. Seine, Becker, U., Porembski, S., Follmann, G., Barthlott, W.	1998	Vegetation of inselbergs in Zimbabwe
M. R. D. Seaward, Aptroot, A., Harrington, F. A.	2002	The Lichens of Aldabra, with Comments on Their Distribution
M. R. D. Seaward, Aptroot A.	2005	Hong Kong Lichens Collected on the United States North Pacific Exploring Expedition, 1853-1856
M. Schultz, van den Boom P. P. G.	2007	Notes on cyanobacterial lichens (mostly Lichinales, Ascomycota) of the Canary Islands
M. Schultz, Porembski, S., Büdel, B.	2000	Diversity of Rock-Inhabiting Cyanobacterial Lichens: Studies on Granite Inselbergs along the Orinoco and in Guyana
M. Schultz, Büdel, B., Porembski, S.	2001	Thyrea porphyrella, a new species of the Lichinaceae from inselbergs in tropical South America
M. Schultz, Büdel B.	2002	Key to the genera of the Lichinaceae
M. Schultz, Büdel B.	2003	On the systematic position of the lichen genus Heppia
M. Schultz, Büdel B.	2005	Phloeopeccania anemoides, a New Lichen Species from Baja California Sur and Sinaloa, Mexico
M. Schultz	1998	Studies on Lichens from southern Yemen (Arabian Peninsula)
M. Schultz	2003	The saxicolous and terricolous, cyanobacterial lichens of Socotra (Yemen, Indian Ocean)
M. Schultz	2005	Heppia arenacea and Lempholemma polycarpum, two new species from Southern Yemen and Socotra
M. Schultz	2005	An Overview of Lichinella in the Southwestern United States and Northwestern Mexico, and the New Species Lichinella granulosa
M. Schultz	2007	On the identity of Anema dodgei, Psorotichia segregata and psorotichia squamulosa, three misunderstood cyanolichens from the southwestern United States
M. Schultz	2008	Metamelanea umbonata New to the British Isles
B. Schroeter	1994	In Situ Photosynthetic Differentiation of the Green Algal and the Cyanobacterial Photobiont in the Crustose Lichen Placopsis contortuplicata
I. Schmitt, H. Lumbsch, T., Sochting, U.	2003	Phylogeny of the Lichen Genus Placopsis and Its Allies Based on Bayesian Analyses of Nuclear and Mitochondrial Sequences
C. Scheidegger	2003	Erioderma pedicellatum. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.1.
R. Santesson	1952	Foliicolous lichens I. A revision of the taxonomy of the obligately foliicolous, lichenized fungi
R. Santesson	1984	The Lichens of Sweden and Norway
R. Santesson	1992	Pyrenocollema elegans, a new marine lichen
R. Santesson	1993	The lichens and lichenicolous fungi of Sweden and Norway
P. A. Roskin	1970	Ultrastructure of the Host-Parasite Interaction in the Basidiolichen Cora pavonia (Web.) E. Fries.
J. Rikkinen, Oksanen, I., Lohtander, K.	2002	Lichen Guilds Share Related Cyanobacterial Symbionts
L. Ware Riddle	1910	The North American Species of Stereocaulon
L. Ware Riddle	1916	The Lichens of Bermuda
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
D. H. S. Richardson, Cameron R. P.	2004	Cyanoliches: Their response to pollution and possible management strategies for their conservation in northeastern North America
B. Renner, Galloway D. J.	1982	Phycosybiodemes in Pseudocyphellaria in New Zealand
S. Ravera	2001	Contribution to Mediterranean lichen flora. New or interesting epiphytic species from Morocco.
A. N. Rai, Bergman, B., Rasmussen, U.	2002	Cyanobacteria in Symbiosis
F. B. Pyatt, Beaumont, E. H., Lacy, D., Storey, D. M.	1992	Accumulation of lead by the lichen Stereocaulon dactylophyllum
O. W. Purvis, Moore, D. M., Coppins, B. J., Hawksworth, D. L., James, P. W.	1992	The Lichen Flora of Great Britian and Ireland
B. D. Piercy-Normore, Goxson, B., Goward, T., Goffinet, B.	2006	Phylogenic position of a Pacific Northwest North American endemic cyanolichen, Nephroma occultum (Ascomycota, Peltigerales)
I. Pereira	2007	Micobiota liquenizada del Parque Katalapi, X Region, Chile. Lichenized fungi of Parque Katalapi, X Region, Chile
J. L. E. Peck, Grabner, J., Ladd, D., Larson, D. R.	2004	Microhabitat affinities of Missouri Ozarks Lichens
G. Paz-Bermúdez, M de Silanes, E. López, Carballal, R.	2005	The lichen genera Collemopsidium Nyl. and Verrucaria Schrader from the Galician seashores (NW Spain)
P. Paulsrud, Rikkinen, J., Lindbald, P.	1998	Cyanobiont Specificity in Some Nostoc-Containing Lichens and in a Peltigera aphthosa Photosymbiodeme
P. Paulsrud, Rikkinen, J., Lindbald, P.	2000	Spatial Patterns of Photobiont Diversity in Some Nostoc-Containing Lichens
J. A. N. Parnell, Cronk, Q., P. Jackson, W., Strahm, W.	1989	A Study of the Ecological History, Vegetation and Conservation Management of Ile aux Aigrettes, Mauritius
Y. Sil Park	1990	The Macrolichen Flora of South Korea
N. Paran, Ben-Shaul, Y., Galun, M.	1971	Fine Structure of the Blue-Green Phycobiont and Its Relation to the Mycobiont in Two Gonohymenia Lichens
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

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