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Finnish botanist and lichenologist (born 1934)
Scholia has a profile for Teuvo Tapio Ahti (Q10381015). Teuvo "Ted" Tapio Ahti (born 14 June 1934) is a Finnish botanist and lichenologist who has made
Teuvo_Ahti
Finnish botanist (1931-)
Hämet-Ahti has been a member of the Finnish Academy of Science and Letters since 1991. She is married to botanist and lichenologist Teuvo Ahti. The standard
Leena_Hämet-Ahti
Finnish politician and jurist (1912–1999)
Teuvo Ensio Aura (28 December 1912, in Ruskeala – 11 January 1999, in Helsinki) was a Finnish politician of the Liberal People's Party. He served as Mayor
Teuvo_Aura
Species of lichen
formally described as a new species in 2007 by Gennadii Urbanavichus, Teuvo Ahti, and Katileena Lohtander. The type specimen was collected on the bank
Physconia_jacutica
Species of lichen
it was formally described as a new species in 2016 by lichenologists Teuvo Ahti and Adam Flakus. The type specimen was collected by the second author
Cladonia_compressa
Species of lichen-forming fungus
The species was first described in 1966 by the Finnish lichenologist Teuvo Ahti from specimens in eastern North America that had previously been misidentified
Melanohalea_halei
Species of lichen
Parmelia hygrophila was described as new to science by Trevor Goward and Teuvo Ahti in 1983, based on a type collected at Kokanee Creek Provincial Park, British
Parmelia_hygrophila
Species of lichen
species in 2010 by the lichenologists Trevor Goward, Toby Spribille, and Teuvo Ahti. The type specimen was collected in Clearwater Valley, British Columbia
Hypogymnia_wilfiana
Finnish lichenologist (born 1958)
husband assembled in connection with the Man and the Biosphere Programme. Teuvo Ahti assisted with identifying the lichens and Tuomo Koponen with identifying
Soili_Stenroos
Species of lichen in the family Parmeliaceae
Parmeliaceae. It was first formally described by Finnish lichenologist Teuvo Ahti in 1966 as Parmelia trabeculata. Ted Esslinger transferred the species
Melanohalea_trabeculata
Genus of lichens
with the name Rexia by authors Soili Stenroos, Raquel Pino-Bodas, and Teuvo Ahti in 2018, was created to contain the species Cladonia sullivanii, first
Rexiella
Species of lichen
it was formally described as a new species in 2016 by lichenologists Teuvo Ahti and Adam Flakus. The type specimen was collected on Minloua Mountain,
Cladonia_camerunensis
Species of lichen-forming fungus
Northern Hemisphere, Teuvo Ahti retained the species in Parmelia and provided a detailed modern circumscription of P. olivacea. Both Ahti and later authors
Melanohalea_olivacea
Topics referred to by the same term
1959), Finnish businessman Risto Ahti (born 1943), Finnish writer Teuvo Ahti (born 1934), Finnish lichenologist Ahti, a video game character from Control
Ahti_(disambiguation)
Finnish politician (1923–1990)
Ahti Kalle Samuli Karjalainen (10 February 1923 – 7 September 1990) was a Finnish economist and politician. He was a member of the Agrarian League (later
Ahti_Karjalainen
Species of lichen-forming fungus
broadleaf forests. The specific epithet honours Finnish lichenologist Teuvo Ahti. "Detalha Taxon Publico". reflora.jbrj.gov.br. Retrieved 2021-11-15. "Search"
Cladonia_ahtii
Species of lichen
described as a new species in 2011 by lichenologists Harrie Sipman and Teuvo Ahti. The type specimen was collected by Sipman and Thomas Raus from the summit
Cladonia_graeca
Caretaker government of Finland from 14 May 1970 to 15 July 1970
Teuvo Aura's first cabinet was a caretaker government of Finland, led by Teuvo Aura (lib.). The cabinet governed for two months, from 14 May 1970 to 15
Aura_I_cabinet
Species of fruticose lichen
2018 by Soili Stenroos, Raquel Pino-Bodas, Helge Thorsten Lumbsch, and Teuvo Ahti following a large-scale molecular phylogenetic analysis of the family
Pulchrocladia_retipora
Species of lichen
lichen was described as a new species in 2009 by Hördur Kristinsson and Teuvo Ahti. The type specimen was collected by Kristinsson from Herdisarvik, Árnessýsla
Cladonia_islandica
Species of lichen
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;
Cladonia_sipmanii
Family of lichen-forming fungi
and Cladina were included in the genus Cladonia. In recent history, Teuvo Ahti's extensive research, including comprehensive monographs and revisions
Cladoniaceae
Finnish lichenologist
earned a Ph.D. from this institution in 1994, under the supervision of Teuvo Ahti. Between the years 1961 and 1981 he was a junior curator of cryptogams
Orvo_Vitikainen
Genus of lichen
published by Soili Stenroos, Raquel Pino-Bodas, Helge Thorsten Lumbsch and Teuvo Ahti. The genus name (from the Latin pulchro, meaning "pretty" or "beautiful")
Pulchrocladia
Species of lichen
classified as a form or variety of Cetraria cucullata until 2005, when Teuvo Ahti, Lena Poryadina, and Mikhail Zhurbenko elevated it to species status within
Cladocetraria
360–364. Ahti, T.; Upreti, D.K. (2004). "Two new species of Cladonia (Lecanorales) from the Himalayas". Bibliotheca Lichenologica. 88: 9–14. Ahti, Teuvo; Stenroos
List_of_Cladonia_species
Species of lichen
conditions of the Himalayas. First described in 2007 by lichenologists Teuvo Ahti, Dalip Kumar Upreti, and Sanjeeva Nayaka, Cladonia lutescens derives its
Cladonia_lutescens
American botanist (1918–2020)
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
William_Alfred_Weber
American lichenologist (1939–2021)
lichens of eastern North America better than any of his contemporaries. Teuvo Ahti and others emphasized his deep knowledge of the lichens of eastern North
Richard_Clinton_Harris
Finnish UFO sightings between 1960s and 1970s
Finland portal Finnish Air Force UFO sighting Kuningas, Tapani; Laitinen, Teuvo E.; Löfman, Markku (1994). 100 ufoa Suomessa (in Finnish). Kirjayhtymä Oy
UFOs_of_Pudasjärvi
Species of lichen
cortex. Cladonia vescula was first formally described by lichenologists Teuvo Ahti, Martin Kukwa, and Adam Flakus in a 2016 scientific study. The type specimen
Cladonia_vescula
Species of lichen
the Farlow Herbarium (FH) at Harvard University and was designated by Teuvo Ahti in 1993 in his work published in Regnum Vegetabile. Several forms of this
Cladonia_grayi
Swedish lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Rolf_Santesson
Species of lichen
elevation of 1,950 m (6,400 ft). It is named to honour Finnish lichenologist Teuvo Ahti. Sipman, Harrie J.M.; Elix, John A.; Nash, Thomas H. (2009). Hypotrachyna
Hypotrachyna_ahtiana
Species of lichen
deviation from the placement in Cladonia section Ascyphiferae proposed by Teuvo Ahti a couple of years before. They suggested that C. wainioi is "rather distinct
Cladonia_wainioi
Species of lichen
chemical composition and morphology. Described by the lichenologists Teuvo Ahti and Harrie Sipman in 2013, Cladonia flavocrispata was first collected
Cladonia_flavocrispata
Species of lichen
David Lyall in 1858. In 1898, Vainio raised this taxon to species level. Teuvo Ahti and Paula DePriest put forth a proposal to conserve the name Cladonia
Cladonia_transcendens
Spanish lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Ana_Crespo
Species of lichen-forming fungus
gave it the manuscript name Cladonia "appalachensis". In the 1970s, Teuvo Ahti also encountered a specimen of the same species collected by Rudolf Becking
Cladonia_appalachensis
Single-species genus of lichen
the new genus Ahtiana in 1985, naming it after Finnish lichenologist Teuvo Ahti. This foliose lichen is characterised by its pale yellowish-green thallus
Ahtiana
Austrian lichenologist and mycologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Josef_Hafellner
British botanist (1930–2018)
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
David_Smith_(botanist)
Species of lichen
section Helopodium of genus Cladonia. According to Finnish lichenologist Teuvo Ahti, Vainio's Cladonia clavulifera is a synonym. Cladonia sobolescens is commonly
Cladonia_sobolescens
Species of lichen-forming fungus
America, Europe, the Middle East, Nepal, and New Zealand. Lichenologist Teuvo Ahti updated the classification of this species in 2015, placing it under the
Leproplaca_chrysodeta
Organization for studying and conserving lichens
congress in 1969 and remained in that role until 1975. He was succeeded by Teuvo Ahti, who served as president from 1975 to 1981 and was later named honorary
International Association for Lichenology
International_Association_for_Lichenology
Species of lichen
It was described as a new species in 2009 by Hördur Kristinsson and Teuvo Ahti. Kristinsson collected the type specimen in 1979 from Arnarfellsmúlar
Cladonia_glacialis
British lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Peter_Crittenden
Species of lichen
Soili; Pino‐Bodas, Raquel; Hyvönen, Jaakko; Lumbsch, Helge Thorsten; Ahti, Teuvo (2018). "Phylogeny of the family Cladoniaceae (Lecanoromycetes, Ascomycota)
Pulchrocladia_corallaizon
French botanist and lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Georges_Clauzade
Indian lichenologist (born 1922)
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Dharani_Dhar_Awasthi
American-born Canadian lichenologist and botanist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Irwin_M._Brodo
Species of lichen
by the Finnish lichenologist Teuvo Ahti, who classified it in the genus Parmelia. The type specimen was collected by Ahti on the southwest tip of Alberta's
Melanelixia_albertana
Species of lichen
work united that concept with Acharius's epithet, and Trevor Goward and Teuvo Ahti made the new combination Melanelia sorediata. Molecular studies then showed
Montanelia_sorediata
Lichenologist (1930-2012)
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Vernon_Ahmadjian
Species of lichen
was formally described as a new species in 2013 by the lichenologists Teuvo Ahti and Harrie Sipman. The type specimen was collected by André Aptroot from
Cladonia_cayennensis
Species of lichen-forming fungus
Antarctic Peninsula). Cladonia scotteri was described as a new species by Teuvo Ahti and Eric Steen Hansen in 2011, based on collections from northern North
Cladonia_scotteri
New Zealand botanist and lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
David_Galloway_(botanist)
Species of lichen
formally described as a new species in 1998 by Finnish lichenologist Teuvo Ahti. In a revision of the arctic lichen Cladonia stricta, he divided it into
Cladonia_trassii
Species of lichen
approach was exemplified in the list of names in current use compiled by Teuvo Ahti in 1993. This list presents relevant species epithets at various taxonomic
Cladonia_monomorpha
Species of lichen
Soili; Pino-Bodas, Raquel; Hyvönen, Jaakko; Lumbsch, Helge Thorsten; Ahti, Teuvo (2019). "Phylogeny of the family Cladoniaceae (Lecanoromycetes, Ascomycota)
Cladonia_subcervicornis
Species of lichen
first formally described as a new species in 1987 by Irwin M. Brodo and Teuvo Ahti as a species of Pseudocyphellaria. It had previously been mentioned in
Lobaria_anomala
Species of lichen
Lichenologica. 25: 197–206. Myllys, Leena; Stenroos, Soili; Thell, Arne; Ahti, Teuvo (2003). "Phylogeny of bipolar Cladonia arbuscula and Cladonia mitis (Lecanorales
Cladonia_mitis
Austrian biologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Elisabeth_Tschermak-Woess
Species of lichen
and Washington. The species epithet ahtii honours Finnish lichenologist Teuvo Ahti, "for his contributions to understanding diversity in brown parmelioid
Melanelixia_ahtii
Species of lichen
95: 239–245. Ahti, T. (1984). "The status of Cladina as a genus segregated from Cladonia". Beihefte zur Nova Hedwigia. 79: 25–61. Ahti, Teuvo; Hyvönen, Soili
Cladonia_stygia
Species of lichen
lichenologist. Cladonia mongkolsukii was first described by Sittiporn Parnmen and Teuvo Ahti. The species name honours Thai lichenologist Pachara Mongolsuk. The type
Cladonia_mongkolsukii
Species of lichen
possibility had been suggested already a decade earlier by Juha Suominen and Teuvo Ahti when they typified the name in a 1966 publication. This name, and several
Cladonia_rei
Dutch lichenologist (born 1945)
broader scientific community. Frequent collaborators include André Aptroot, Teuvo Ahti, Paul Diederich, Mark Seaward, Emmanuël Sérusiaux and Richard Harris.
Harrie_Sipman
Swedish lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Gunnar_Degelius
Species of lichen
monograph of Xanthoparmelia. However, detailed nomenclatural research by Teuvo Ahti and David Hawksworth in 2005 established that stenophylla is the correct
Xanthoparmelia_stenophylla
Scottish-born American botanist and lichenologist (1913–2009)
JSTOR 1943556. (abridgment of Thomson's 1939 Ph.D. thesis, 123 pages) Ahti, Teuvo (2009). "A tribute to John Walter Thomson (1913–2009)". The Lichenologist
John_Walter_Thomson
Israeli lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Margalith_Galun
Species of lichen
1639/0747-9859-39.1.20. Hawksworth, David L.; Blanco, Oscar; Divakar, Pradeep K.; Ahti, Teuvo; Crespo, Ana (2008). "A first checklist of parmelioid and similar lichens
Parmelia_fraudans
Genus of foliose lichens
some lichenologists to be a questionable taxon because, according to Teuvo Ahti, "the type material is insufficient to resolve its taxonomic relationship
Punctelia
American lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Chicita_F._Culberson
British biologist, mycologist and lichenologist (born 1946)
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
David_Leslie_Hawksworth
Finnish botanist (1920–1999)
used to indicate this person as the author when citing a botanical name. Teuvo Ahti. Arvo Jaakko Juhani Jalas (1920-1999). Taxon 49 ( 2 (May, 2000), pp. 321-323
Jaakko_Jalas
North American lichenologist
Esslinger, David L Hawksworth, Ana Millanes, M Carmen Molina, Mats Wedin, Teuvo Ahti, Andre Aptroot, Eva Barreno, Frank Bungartz, Susana Calvelo, Mehmet Candan
Toby_Spribille
Single-species fungal genus
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)
Cetradonia
Species of lichen in the family Parmeliaceae
raised it to distinct species status in 1935. In 2002, Pekka Halonen and Teuvo Ahti proposed the conservation of Usnea fulvoreagens with a conserved type
Usnea_fulvoreagens
Species of lichen-forming fungus
1007/s13225-021-00477-7. Spribille, Toby; Fryday, Alan M.; Hampton-Miller, Celia J.; Ahti, Teuvo; Dillman, Karen; Thor, Göran; Tonsberg, Tor; Schirokauer, Dave, eds.
Thamnolia_taurica
Swedish botanist and lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Leif_Tibell
Species of lichen
new species in 2016 by Finnish lichenologist Teuvo Ahti. List of Cladonia species "Cladonia longisquama Ahti". Catalogue of Life. Species 2000: Leiden,
Cladonia_longisquama
German lichenologist (1925–2011)
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Aino_Henssen
Finnish politician, President of Finland (1923–2017)
1968–1982 Succeeded by Ahti Karjalainen Political offices Preceded by Rafael Paasio Prime Minister of Finland 1968–1970 Succeeded by Teuvo Aura Preceded by
Mauno_Koivisto
Species of lichen-forming fungus
Soili; Pino‐Bodas, Raquel; Hyvönen, Jaakko; Lumbsch, Helge Thorsten; Ahti, Teuvo (2018). "Phylogeny of the family Cladoniaceae (Lecanoromycetes, Ascomycota)
Pulchrocladia_ferdinandii
British botanist and lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Brian_John_Coppins
German biologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Otto_Ludwig_Lange
Czech lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
Antonín_Vězda
Species of lichen
growing on Populus. The species epithet honours Finnish lichenologist Teuvo Ahti. In 2022, the species was documented from North-Western European Russia
Caloplaca_ahtii
Genus of lichen-forming fungi
Stenroos, Soili; Pino-Bodas, Raquel; Ahti, Teuvo (2019). "Rexiella, a new name for Rexia S. Stenroos, Pino-Bodas & Ahti (2018), non Rexia D. A. Casamatta
Cladia
Finnish politician and lawyer (1929–1980)
cabinet. President Urho Kekkonen appointed a caretaker cabinet headed by Teuvo Aura. Under Prime Minister Aura, Liinamaa served as the Minister of Justice
Keijo_Liinamaa
Organic chemist, lichenologist
Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian
John_Alan_Elix
Museum in Helsinki, Finland
fossils (6,000). Axel Gadolin’s mineral collection is held at the museum. Teuvo Ahti Mikael Fortelius Lauri Kaila Harald Lindberg Martin Meinander [se] Johan
Finnish Museum of Natural History
Finnish_Museum_of_Natural_History
Species of lichen
are genetically different. Later, the lichenologists Mónica Adler and Teuvo Ahti studied the conidia (asexual spores) of the two species; they did not
Punctelia_perreticulata
Species of lichen
PMC 7398404. Spribille, Toby; Fryday, Alan M.; Hampton-Miller, Celia J.; Ahti, Teuvo; Dillman, Karen; Thor, Göran; Tonsberg, Tor; Schirokauer, Dave, eds.
Placynthium_glaciale
Species of lichen-forming fungus
ISBN 978-3-443-58089-6. Hawksworth, David L.; Blanco, Oscar; Divakar, Pradeep K.; Ahti, Teuvo; Crespo, Ana (2008). "A first checklist of parmelioid and similar lichens
Parmelia_sulcata
Species of lichen-forming fungus
and was raised to species rank by Teuvo Ahti in 2000. Cladonia anaemica was formalized at species rank by Teuvo Ahti (2000) as a new combination based
Cladonia_anaemica
Literary award
Sinikka Salo Suomalaiset kapellimestarit Finnish 2011 Soili Stenroos, Teuvo Ahti, Katileena Lohtander, Leena Myllys Alf Rehn Suomen jäkäläopas 2012 Elina
Finlandia_Prize
Species of lichen
Retrieved 24 October 2025. Randlane, Tiina; Saag, Andres; Thell, Arne; Ahti, Teuvo (2013). "Third world list of cetrarioid lichens — in a new databased
Tuckermannopsis_chlorophylla
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