Teuvo Tapio Ahti

Finnish botanist and lichenologist (1934 - ).

Teuvo "Ted" Tapio Ahti (born 14 June 1934) is a Finnish botanist and lichenologist who has made considerable contributions to the taxonomy and biogeography of lichens. Known particularly for his work on the lichen family Cladoniaceae, he has had a long career at the University of Helsinki beginning in 1963, and following his retirement in 1997, has continued his research at the Botanical Museum of the Finnish Museum of Natural History. His research output spans more than seven decades, comprising over 450 scientific publications across lichenology, mycology, and botanical science. Ahti has con

Abbreviations: Ahti
Occupations: scientific collector, lichenologist, curator, botanist, botanical collector, biologist
Citizenships: Finland
Languages: Finnish
Dates: 1934-01-01T00:00:00Z
Birth place: Helsinki
Direct attributions: 2 plants, 192 fungi
Authorship mentions: 2 plants, 201 fungi

192 fungi attributed, 9 fungi contributed to201 fungi:

Parmelia hygrophila (Western Shield Lichen) Goward & Ahti 1983
fungi species in the parmeliaceae family
Parmelia hygrophila is a corticolous (bark-dwelling) foliose lichen in the Parmelia saxatilis group, described in 1983 from the Pacific Northwest of North America. It was segregated from material that had often been folded into a broad concept of P. saxatilis. The species is characterised by its greyish-green, leafy thallus that produces abundant tiny outgrowths called isidia along the lobe margins and upper surface for reproduction. It grows in the humid forests of the Pacific Northwest, growing on the bark of both coniferous and deciduous trees from coastal regions to mid-elevation mountain
Cladonia maxima (Giant Cladonia Lichen) (Asahina) Ahti 1978
fungi species in the cladoniaceae family
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Cetradonia linearis (Rock Gnome Lichen) (A. Evans) J.C. Wei & Ahti 2002
vulnerable fungi species in the cladoniaceae family
Cetradonia is a lichen genus in the family Cladoniaceae. A monotypic genus, Cetradonia contains the single species Cetradonia linearis (formerly known as Cladonia linearis and as Gymnoderma lineare). The genus was circumscribed in 2002 by Jiang-Chun Wei and Teuvo Ahti. The genus was once placed in the family Cetradoniaceae (created in 2002) until that family was subsumed into the Cladoniaceae in 2006. Cetradonia linearis, commonly known as the rock gnome lichen, is a squamulose lichen found in the higher elevations of the southern Appalachian Mountains. Populations are only known to exist in
Cladonia novochlorophaea (Sipman) Brodo & Ahti 1996
fungi species in the cladoniaceae family
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Cladonia nashii (Fool's Parsley) Ahti 2002
fungi species in the cladoniaceae family
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Cladonia macroceras (Bullet-proof Pixie Lichen) (Delise) Ahti 1978
fungi species in the cladoniaceae family
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Cladonia jaliscana Ahti & Guzm.-Dáv. 1998
fungi species in the cladoniaceae family
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Cladonia hammeri Ahti 2002
fungi species in the cladoniaceae family
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Cladonia corniculata Ahti & Kashiw. 1984
fungi species in the cladoniaceae family
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Hypogymnia bitteri (Powdered Tube Lichen) (Lynge) Ahti 1964
fungi species in the parmeliaceae family
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Cladonia umbricola (Shaded Cladonia) Tønsberg & Ahti 1980
fungi species in the cladoniaceae family
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Cladonia tessellata Ahti & Kashiw. 1984
fungi species in the cladoniaceae family
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Cladonia tasmanica Ahti 1961
fungi species in the cladoniaceae family
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Cladonia subfimbriata (New Mexico Bahia) Ahti 2002
fungi species in the cladoniaceae family
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Cladonia sipmanii Ahti 2000
fungi species in the cladoniaceae family
Cladonia sipmanii is a species of fruticose lichen in the family Cladoniaceae. Found in Guyana, it was formally described as a new species in 2000 by Finnish lichenologist Teuvo Ahti. The type specimen was collected by the author from Demerara-Mahaica region; it also occurs in the Guayana Region of Venezuela. It grows in sandy soil and on sandstone; typical habitat includes coastal savannahs. Thamnolic acid, barbatic acid, and 4-O-demethylbarbatic acid are lichen products that have been isolated from this species.
Cladonia minarum Ahti 1986
fungi species in the cladoniaceae family
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Cladonia metaminiata S. Stenroos & Ahti 1995
fungi species in the cladoniaceae family
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Cladonia macilentoides Ahti & Fleig 1995
fungi species in the cladoniaceae family
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Cladonia leprocephala Ahti & S. Stenroos 1986
fungi species in the cladoniaceae family
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Cladonia imperialis Ahti & Marcelli 1995
fungi species in the cladoniaceae family
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Cladonia hians Ahti 2000
fungi species in the cladoniaceae family
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Cladonia fissidens Ahti & Marcelli 1995
fungi species in the cladoniaceae family
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Cladonia crinita (Delise ex Pers.) Ahti 1995
fungi species in the cladoniaceae family
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Cladonia clathrata Ahti & L. Xavier 1993
fungi species in the cladoniaceae family
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Cladonia cinerella Ahti 2000
fungi species in the cladoniaceae family
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Cladonia bahiana Ahti 1995
fungi species in the cladoniaceae family
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Cladonia anaemica (Nyl.) Ahti 2000
fungi species in the cladoniaceae family
Cladonia anaemica is a species of fruticose lichen in the family Cladoniaceae. It has a persistent base of small, pale greenish scales (squamules) marked with distinctive red patches at their tips, and produces slender upright stalks (podetia). The species is locally common on bare sands, thin soil, and quartzitic outcrops in eastern Brazil, and has also been recorded from Uruguay. It was first described by William Nylander in 1860 as an infraspecific taxon within Cladonia sanguinea, and was raised to species rank by Teuvo Ahti in 2000.
Cladonia albonigra (Black-footed Pixie Cup) Brodo & Ahti 1996
fungi species in the cladoniaceae family
Cladonia albonigra (Bokmål: Svartfotbeger, Swedish: Svartvit bägarlav) is a species of fruticose lichen in the family Cladoniaceae. Found from Alaska to California, this lichen grows in both wet bogs and dry forest floors as long as there is abundant sunlight. The species develops characteristic tiered cup structures that start light-coloured but gradually blacken from the bottom up as the outer layer flakes away. It was first scientifically described in 1996 and has since been found in limited locations in Europe and Russia as well.
Pulchrocladia retipora (Coral Lichen) (Labill.) S. Stenroos, Pino-Bodas & Ahti 2018
fungi species in the cladoniaceae family
Pulchrocladia retipora, commonly known as the coral lichen, is a species of fruticose lichen in the family Cladoniaceae. Found predominantly in Australasia, its habitats range from the Australian Capital Territory to New Zealand's North and South Islands, and even the Pacific region of New Caledonia, where it grows in coastal and alpine heathlands. The lichen features coral-like branches and subbranches with numerous intricate, netlike perforations. It is known by multiple names, with some sources referring to it by its synonym Cladia retipora, or the common name lace lichen. The lichen was
Pulchrocladia S. Stenroos, Pino-Bodas, Lumbsch & Ahti 2018
fungi genus in the cladoniaceae family
Pulchrocladia is a small genus of fruticose lichens in the family Cladoniaceae. It has three species. The genus was established in 2018 when DNA studies revealed that the traditional genus Cladia contained several distinct evolutionary groups, leading scientists to separate them into different genera. These ground-dwelling lichens are found only in the Southern Hemisphere, particularly in Australia and New Zealand, where they form coral-like cushions with intricate lattice patterns in open heathlands, bogs, and coastal areas.
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