Gustaf Einar Du Rietz

Swedish botanist (1895–1967).

Gustaf Einar Du Rietz (25 April 1895 – 7 March 1967) was a Swedish botanist and lichenologist. His research interests included plant ecology, lichen taxonomy, and biogeography. He was a leading figure in the Uppsala school of phytosociology–the study of groups of species of plants that are usually found together–and is recognised for his role in advancing this field of science and for mentoring future lichenologists. He led the Swedish Australasian Botanical Expedition of 1926–27, a seven-month research tour of various locations. He was married to Greta Sernander, who was also a lichenologist.

Abbreviations: Du Rietz
Occupations: university teacher, botanist, botanical collector
Citizenships: Sweden
Dates: 1895-04-25T00:00:00Z – 1967-03-07T00:00:00Z
Birth place: Bromma parish
Direct attributions: 18 plants, 16 fungi
Authorship mentions: 21 plants, 26 fungi

16 fungi attributed, 10 fungi contributed to26 fungi:

Erioderma mollissimum (Vole Ears Lichen) (Samp.) Du Rietz 1926
fungi species in the pannariaceae family
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Cornicularia normoerica (Mountain Bootstrap Lichen) (Gunnerus) Du Rietz 1926
fungi species in the parmeliaceae family
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Collema furfuraceum ( Jelly Lichen) (Schaer.) Du Rietz 1929
fungi species in the collemataceae family
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Usnea antarctica Du Rietz 1926
fungi species in the parmeliaceae family
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Micarea turfosa (Peaty Dot Lichen) (A. Massal.) Du Rietz 1923
fungi species in the pilocarpaceae family
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Evernia illyrica (Zahlbr.) Du Rietz 1926
fungi species in the parmeliaceae family
Evernia illyrica is a rare species of fruticose lichen in the family Parmeliaceae. It is native to Europe and North Africa. It grows in a hanging manner, reaching lengths of up to 30 cm, and attaches to its base by a single point. The lichen's main body (thallus) is uniformly grey to whitish-grey with no distinct upper or lower surfaces, featuring rich but irregular branching patterns with branches that grow parallel to each other. Though reproductive structures (apothecia) are rare, when present they appear as disc-like formations up to 4 mm across with a brown centre surrounded by a thin
Evernia esorediosa (Ring Lichen) (Müll. Arg.) Du Rietz 1924
fungi species in the parmeliaceae family
Evernia esorediosa is a species of lichen in the family Parmeliaceae. It has no soralia, but many ascocarps. In a study it has been found that its mycobiont contains hypostrepsilic acid, a dibenzofuran. It made up 3.2% of the dry weight. In its lichenized condition divaricatic acid, an orcinol depside, made up 1.9% of Evernia esorediosa's dry weight. Furthermore it contains usnic acid.
Pseudocyphellaria lechleri (Müll. Arg.) Du Rietz 1940
fungi species in the lobariaceae family
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Pseudocyphellaria dubia Du Rietz 1926
fungi species in the lobariaceae family
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Pseudocyphellaria chloroleuca (Hook. f. & Taylor) Du Rietz 1924
fungi species in the lobariaceae family
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Stereocaulon saviczii (Savicz's Snow Lichen) Du Rietz 1929
fungi species in the stereocaulaceae family
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Collema furfuraceum var. furfuraceum (Effervescent Tarpaper Lichen) (Schaer.) Du Rietz 1929
fungi variety in the collemataceae family
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Candelariella athallina (Eggyolk Lichen) (Wedd.) Du Rietz 1932
fungi species in the candelariaceae family
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Caloplaca etesiae (Nyl.) Du Rietz 1929
fungi species in the teloschistaceae family
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Anaptychia esorediata (Vain.) Du Rietz & Lynge 1924
fungi species in the physciaceae family
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Alectoria asiatica Du Rietz 1930
fungi species in the parmeliaceae family
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Parmotrema arnoldii (Arnold's Parmotrema Lichen) (Du Rietz) Hale 1974
fungi species in the parmeliaceae family
Parmotrema arnoldii, commonly known as the powdered ruffle lichen, is a widely distributed species of lichen in the family Parmeliaceae. It has been recorded from Africa, Asia, Europe, Oceania, Macaronesia, and North and South America.
Lethariella zahlbruckneri (Du Rietz) Krog 1976
fungi species in the parmeliaceae family
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Lethariella smithii (Du Rietz) Obermayer 1997
fungi species in the parmeliaceae family
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Fuscidea praeruptorum (Fuscidea Lichen) (Du Rietz & H. Magn.) V. Wirth & Vězda 1972
fungi species in the fuscideaceae family
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Bryoria smithii (Du Rietz) Brodo & D. Hawksw. 1977
fungi species in the parmeliaceae family
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Kaernefeltia merrillii (Flattened Thornbush Lichen) (Du Rietz) A. Thell & Goward 1996
fungi species in the parmeliaceae family
Kaernefeltia merrillii, the flattened thornbrush lichen, is a species of lichen in the family Parmeliaceae. It forms small, dark greenish-black to olive tufts typically less than 2 cm across, with finely divided, narrow lobes. The species is found in western North America from Alaska to California, growing primarily on the twigs of conifers and shrubs in forested areas. First described in 1926, it has been placed in several different genera over the years, with its classification remaining a subject of debate among lichen specialists.
Protousnea dusenii (Du Rietz) Krog 1976
fungi species in the parmeliaceae family
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Bryoria asiatica (Du Rietz) Brodo & D. Hawksw. 1977
fungi species in the parmeliaceae family
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Umbilicaria ruebeliana (Du Rietz & Frey) Frey 1931
fungi species in the umbilicariaceae family
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Nephromopsis merrillii (Du Rietz) Divakar, A. Crespo & Lumbsch 2017
fungi species in the parmeliaceae family
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