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  • Influence
A monograph of Parmelia subgenus Amphigymnia
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A monograph of the lichen genus Parmelia Hale (Parmeliaceae)
Hale, Mason E., Jr. A Monograph of the Lichen Genus Parmelina Hale (Parmeliaceae). Smithsonian Contyibut ions to Botany, number 33, 60 pages, 21 figures, 1976.-The 47 species of Parmelina are revisedExpand
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A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae)
Hale, Mason E., Jr. A Monograph of the Lichen Genus Bulbothrix Hale (Parmeliaceae). Smithsoniun Contributions to Botany, number 32, 29 pages, 7 figures, 1976.-A world-level revision is given for theExpand
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A monograph of the lichen genus Relicina (Parmeliaceae)
Hale, Mason E., J r . A Monograph of the Lichen Genus Relicina (Parmeliaceae). Smithsonian Contribut ions to Botany , number 26, 32 pages, 16 figures, 1975.-A revision on the world level is made forExpand
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Studies on Parmelia subgenus Parmelia
At least 250 distinct species, most of which occur in the tropics, are included in Parmelia subgenus Parmelia. They are generally characterized by lobes that are narrow (0.5-4.0 mm. wide), sublinearExpand
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How to Know the Lichens
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