Teuvo Ahti
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Finnish botanist and lichenologist
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Biology
Teuvo Ahti's Degrees
- PhD Botany University of Helsinki
- Masters Botany University of Helsinki
Why Is Teuvo Ahti Influential?
(Suggest an Edit or Addition)According to Wikipedia, Teuvo Tapio Ahti is a Finnish botanist and lichenologist. He has had a long career at the University of Helsinki that started in 1963, and then following his retirement in 1997, at the Botanical Museum of the Finnish Museum of Natural History. Known as a specialist of the lichen family Cladoniaceae, Ahti has published more than 280 scientific publications. A Festschrift was dedicated to him in 1994, and in 2000 he was awarded the prestigious Acharius Medal for lifetime contributions to lichenology.
Teuvo Ahti's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Vegetation zones and their sections in northwestern Europe (1968) (1857)
- One hundred new species of lichenized fungi : a signature of undiscovered global diversity (2011) (222)
- Phylogenetic generic classification of parmelioid lichens (Parmeliaceae,Ascomycota) based on molecular, morphological and chemical evidence. (2010) (200)
- Phylogeny of the Genus Cladonia s.lat. (Cladoniaceae, Ascomycetes) Inferred from Molecular, Morphological, and Chemical Data (2002) (124)
- Epigeic lichen communities of taiga and tundra regions (1990) (86)
- Calicioid lichens and fungi (1999) (84)
- Nordic Macromycetes vol. 3.: heterobasidioid, aphyllophoroid and gastromycetoid Basidiomycetes. (1997) (77)
- Checklist of lichens and allied fungi of Finland (1997) (71)
- Phylogeny of bipolar Cladonia arbuscula and Cladonia mitis (Lecanorales, Euascomycetes). (2003) (60)
- A first checklist of parmelioid and similar lichens in Europe and some adjacent territories, adopting revised generic circumscriptions and with indications of species distributions (2008) (57)
- Contribution to the knowledge of the lichen biota of Bolivia. 5 (2013) (48)
- Phylogeny of the cetrarioid core (Parmeliaceae) based on five genetic markers (2009) (44)
- Molecular data show that Bryoria fremontii and B. tortuosa (Parmeliaceae) are conspecific (2009) (43)
- Molecular systematics of the wood-inhabiting, lichen-forming genus Xylographa (Baeomycetales, Ostropomycetidae) with eight new species. (2014) (42)
- Considerations and consequences of allowing DNA sequence data as types of fungal taxa (2018) (41)
- The lichen family Cladoniaceae in Paraiba, Pernambuco and Sergipe, Northeast Brazil (1993) (37)
- Phylogeny and taxonomy of the ‘manna lichens’ (2013) (36)
- LICHENS AND LICHENICOLOUS FUNGI OF THE QUEEN CHARLOTTE ISLANDS, BRITISH COLUMBIA, CANADA. 2. THE CLADONIACEAE (1996) (35)
- The composition and contents of aromatic lichen substances in the genus cladina (1986) (35)
- A Second Checklist and Bibliography of the Lichens and Allied Fungi of British Columbia (1988) (34)
- Structure of two glucans and a galactofuranomannan from the lichen Umbilicaria mammulata (2006) (34)
- The composition and contents of aromatic lichen substances in Cladonia, section Cocciferae (1986) (33)
- Phylogeny of the family Cladoniaceae (Lecanoromycetes, Ascomycota) based on sequences of multiple loci (2018) (32)
- The lichen genus Usnea in East Fennoscandia. III. The shrubby species (1999) (31)
- The checklist of parmelioid and similar lichens in Europe and some adjacent territories: additions and corrections (2011) (30)
- mosses of the island of Newfoundland (1973) (30)
- Multilocus approach to species recognition in the Cladonia humilis complex (Cladoniaceae, Ascomycota). (2013) (29)
- Contribution to the study of the genera Cladina and Cladonia in Spain. I (1992) (29)
- Lichens Collected on an Alaska Highway Expedition in Alaska and Canada (1994) (27)
- New Records, Range Extensions and Nomenclatural Innovations for Lichens and Lichenicolous Fungi from Alaska, U.S.A. (2012) (27)
- New and Interesting Records of Cladonia and their Lichenicolous Fungi from the Andean Cloud Forest in Bolivia (2008) (27)
- The Morphological Interpretation of Cladoniiform Thalli in Lichens (1982) (27)
- Convergent evolution in Cladonia gracilis and allies (2010) (26)
- Parmelia olivacea and the allied non-isidiate and non-sorediate corticolous lichens in the Northern Hemisphere (1966) (26)
- The composition and contents of aromatic lichen substances in Cladonia section Helopodium and subsection Foliosae (1989) (26)
- The status of Cladina as a genus segregated from Cladonia (1984) (26)
- Cladonia conista and C. humilis (Cladoniaceae) are different species (2012) (26)
- The lichen family Cladoniaceae in Tierra del Fuego: problematic or otherwise noteworthy taxa (1990) (25)
- Lichens of the Great Slave Lake Region, Northwest Territories, Canada (1969) (25)
- Phylogenetic and haplotype analyses of four segregates within Cladonia arbuscula s.l.This paper is one of a selection of papers published as part of the special Schofield Gedenkschrift. (2010) (24)
- Status of the lichen genus Porpidia in eastern Fennoscandia (1993) (24)
- Lichens of the Reindeer Preserve, Northwest Territories, Canada (1973) (23)
- Basal cell carcinomas without histological confirmation and their treatment: an audit in four European regions (2012) (21)
- New Species and New Records of Lichens and Lichenicolous Fungi from the Seychelles (2017) (21)
- New reports of lichenicolous fungi, mainly from Finland and Russia (2007) (20)
- Chemotyping glucans from lichens of the genus Cladonia (1999) (20)
- The lichens of Bolshoy Tuters Island (Tytärsaari), Leningrad Region, Russia (2017) (19)
- Nomenclatural Notes on Cladonia Species (1980) (19)
- Cladina stygia, a common, overlooked species of reindeer lichen (1985) (19)
- Macrolichen diversity in Noatak National Preserve, Alaska (2009) (16)
- The phenotypic features used for distinguishing species within the Cladonia furcata complex are highly homoplasious (2015) (16)
- Terricolous Lichens of India: Taxonomic Keys and Description (2014) (16)
- Notes on the Lichens of Newfoundland. I. Erioderma boreale, New to North America (1971) (16)
- The homologies of the Fennoscandian mountain and coastal birch forests in Eurasia and North America (2004) (16)
- Lichens new to North America from the flora of British Columbia, Canada (1987) (15)
- Third World List of Cetrarioid Lichens — in a New Databased Form, with Amended Phylogenetic and Type Information (2013) (14)
- New species and nomenclatural combinations in the lichen genus cladonia (1986) (14)
- Xanthoparmelia stenophylla, the correct name for X. somloënsis, one of the most widespread usnic acid containing species of the genus (2005) (14)
- Taxonomy of Cladonia angustiloba and related species (2018) (14)
- Nomenclatural synopsis of the Old World's manna lichens (Aspicilia, Megasporaceae) (2010) (14)
- Systematics of Some Reindeer Lichens (Cladonia Subg. Cladina) in the Southern Hemisphere (1989) (14)
- A revision of Cladonia sect. Cocciferae in the Venezuelan Andes (1986) (13)
- A synopsis of Iranian Cladonia (lichens) (2006) (13)
- Additions to the lichen biota of Berezovye Islands, Leningrad Region, Russia (2011) (13)
- Parmelioid lichens of Iran and the Caucasus Region (2007) (13)
- The systematic position of Gymnoderma and Cetradonia based on SSU rDNA sequences (Papers to Commemorate the 100th Issue of the Journal of the Hattori Botanical Laboratory) -- (Lichenology) (2006) (12)
- Phylogenetic relationships among reindeer lichens of North America (2016) (12)
- Notes on the Distribution of Lecanora Conizaeoides (1965) (12)
- The Cladonia Gorgonina Group and C. Gigantea in East Africa (1977) (12)
- Is Anaptychia Monophyletic? A Phylogenetic Study Based on Nuclear and Mitochondrial Genes (2008) (12)
- New and interesting species of Cladonia from California (1990) (11)
- Hypogymnia recurva and Hypogymnia wilfiana spp. nov., two new lichens from western North AmericaThis paper is one of a selection of papers published as part of the special Schofield Gedenkschrift. (2010) (11)
- Phylogeny of Cladonia uncialis (Cladoniaceae, Lecanoromycetes) and its allies (2015) (11)
- Four new sorediate species in the Hypogymnia austerodes group (lichens) from northwestern North America, with notes on thallus morphology (2012) (11)
- Cetradonia, a New Genus in the New Family Cetradoniaceae (Lecanorales, Ascomycota) (2002) (11)
- Morphogenetic Capacity of the Mycobiont in Usnea (1993) (10)
- Aspicilia digitata sp. nov., a new vagrant lichen from Kyrgyzstan (2010) (10)
- Notes on the distributional ecology of the Cladoniaceae(Lichenized Ascomycetes)in temperate and boreal western North America (Bryological and Lichenological Papers Presented to Wilfred Borden Schofield on the Occasion of His 70th Birthday) (1997) (10)
- Contributions to the lichen flora of British Columbia, Canada (1987) (10)
- The lichens from the City of Petrozavodsk in the Herbarium of the Botanical Museum, University of Helsinki (2015) (9)
- Sharpening the species boundaries in the Cladonia mediterranea complex (Cladoniaceae, Ascomycota) (2015) (9)
- The lichen family Cladoniaceae in the Falkland Islands (1992) (9)
- The Distinction of Punctelia Perreticulata and P. Subrudecta (Parmeliaceae, Lecanorales) (1996) (9)
- Nomenclatural and taxonomic remarks on European species of Cladonia (1978) (9)
- Genus Cladina and the section Unciales of the genus Cladonia(Cladoniaceae,lichenized Ascomycotina),a preliminary phylogenetic analysis (1995) (8)
- A Bibliographic Guide to the Lichen Floras of the World (Second edition) (1990) (8)
- Third world list of cetrarioid lichens: A databased tool for documentation of nomenclatural data - lessons learned (2013) (8)
- New or otherwise interesting Cladonia species in East Africa (1987) (8)
- The lichens of Moshchny Island (Lavansaari) – one of the remote islands in the Gulf of Finland (2019) (8)
- Nomenclatural corrections and notes on some taxa in the Teloschistaceae (lichenized ascomycetes) (2015) (8)
- The present lichen flora of the city of Petrozavodsk (2013) (8)
- The first lichenological survey in Koryakia (Northern Kamchatka, Russia) — the last unexplored part of Beringia (2019) (8)
- New data on nomenclature, taxonomy and distribution of some species of the lichen genus Cladonia (2012) (8)
- Recollecting Edvard August Vainio (1999) (8)
- New species of reindeer lichens (Cladina) (1986) (8)
- Cladonia singhii and other new reports of Cladonia from the Eastern Himalayan Region of India (2002) (8)
- Lichens of Madagascar : Cladoniaceae (1992) (7)
- Morphometric variation in primary squamules of Cladonia foliacea and C. convoluta (1993) (7)
- An annotated checklist of lichen-forming and lichenicolous fungi reported from the Falkland Islands (Islas Malvinas) (2019) (7)
- New records of lichens from the Russian Far East. III. Lichens of coastal habitats (2021) (7)
- Two New Species of Cladonia from Western North America (1978) (7)
- Evolutionary trends in cladoniiform lichens (Proceedings of the Symposia on Lichenology at the 13 International Botanical Congress,Sydney,Australia,Aug.21-28,1981.Part 1.Compiled by I.M. Brodo,D.L.Hawksworth,A. Henssen, and D.H.S.Richardson) (1982) (7)
- First supplement to the lichen checklist of South Africa (2016) (6)
- Suillus grevillei and S. clintonianus (Gomphidiaceae), two boletoid fungi associated with Larix (1993) (6)
- The Family Cladoniaceae (Lecanorales) in the Galapagos Islands (2013) (6)
- A revision of Cladonia stricta (1998) (6)
- New exploration in Koryakia – the lichens of the Cape Goven, Bering Sea coast (Northern Kamchatka, Russia) (2021) (6)
- Contribution to the Cladonia mycota of Greece, including Cladonia graeca sp. nov. (2011) (6)
- Two new species of Cladonia from the Azores (2009) (5)
- Cladonia oricola, a new coastal species of reindeer lichen in eastern North America (2008) (5)
- Some Notes on British Cladoniae (1965) (5)
- Cladonia trapezuntica (Cladoniaceae, lichenized Ascomycota): a robust morphotype of Pycnothelia papillaria, a taxonomic study with conservational survey (2016) (5)
- New Localities for Cavernularia hultenii in Eastern and Western North America (1965) (5)
- Hypogymnia incurvoides (Parmeliaceae), a little-known Russian species discovered in eastern North America (2006) (5)
- A synopsis of the Japanese taxa of Cladonia section Cocciferae (Papers to commemorate the late Dr.Sinske Hattori′s contributions-2-) (1994) (5)
- Ten new species of Cladonia (Cladoniaceae, Lichenized Fungi) from the Guianas and Venezuela, South America (2013) (5)
- New records of lichens from México. (2000) (5)
- Lichens of Finland (2016) (5)
- 1926) Proposal to conserve Cladia against Heterodea (Ascomycota) (2010) (4)
- Notes on Brown Species of Parmelia in North America (1969) (4)
- Notes on the lichens of newfoundland canada part 5 peltigeraceae (1977) (4)
- Notes on the Lichen Flora of China: Parmeliaceae and Sphaerophoraceae (1999) (4)
- Cladonia corymbescens consists of two species (2015) (4)
- Rosa glabrifolia,R. × malyi, and other overlooked members of Rosa sect. Cassiorhodon (Rosaceae) as relicts of cultivation and established aliens in Finland. (1996) (4)
- Dicranum leioneuron Kindb. New to the British Isles and Labrador, with a Description of the Sporophyte (1965) (4)
- (1595) Proposal to Reject the Name Parmelia perlata var. olivaria to Protect the Name Parmotrema pseudoreticulatum (Ascomycota, Lecanorales, Parmeliaceae) (2003) (4)
- AN EARLIER NAME FOR PARMOTREMA PERLATUM “(HUDS.) CHOISY” (ASCOMYCOTINA: PARMELIACEAE) (1986) (4)
- Cetrarioid Lichen Genera and Species in NE China (2009) (4)
- Rexiella, a new name for Rexia S. Stenroos, Pino‐Bodas & Ahti (2018), non Rexia D. A. Casamatta, S. R. Gomez & J. R. Johansen (2006) (2019) (4)
- (1516) Proposal to conserve the name Usnea fulvoreagens (lichenized Ascomycota, Parmeliaceae) with a conserved type (2002) (3)
- Taxonomic notes on Asian species of Cladonia (Cladoniaceae, Ascomycota) (2016) (3)
- New or Otherwise Interesting Records of Cladonia Species from Turkey (2018) (3)
- (2237) Proposal to reject the name Lichen quisquiliaris in order to protect the name Leprocaulon microscopicum (Ascomycota: Leprocaulales: Leprocaulaceae) (2013) (3)
- (1657-1665) Proposals to conserve eight names and reject one species name in Cladoniaceae (Fungi) (2005) (3)
- Candelariella biatorina New to Asia from the Russian Far East (2013) (3)
- Additions to the vascular flora of the Berezovye Islands (Koiviston saaret), Karelian Isthmus, Russia (2009) (3)
- A Large Range Extension for Sphagnum henryense (1980) (3)
- The nomenclatural history of Umbilicaria spodochroa and nomenclatural corrections in Umbilicariaceae (2020) (3)
- The typification of the generic name Parmeliopsis (Lichenized fungi) (1987) (3)
- Cladonia ignatii, an Overlooked New Lichen in Eastern North America (2017) (3)
- On Riccia marginata and related species (Ricciaceae, Marchantiophyta) (2012) (3)
- Notes on the lichens of Newfoundland. 3. Lichenological exploration (1974) (3)
- Micromycetes (Peronosporaceae, Erysiphales and Uredinates) new to the province of Kuusamo, N. E. Finland (1968) (2)
- Cladonia islandica (Cladoniaceae, Ascomycota) a species newly discovered in Spain, Alaska and Canada (2014) (2)
- A tribute to John Walter Thomson (1913–2009) (2009) (2)
- New cryptogamic records. 6 (2020) (2)
- Nomenclature - Formal reports, proposals, and opinion (2010) (2)
- The correct date and place of publication of the ten new generic names employed by Acharius in the Lichenographia Universalis (2007) (2)
- New interspecific hybrid of the genus Salix (Salicaceae) from Yakutia. (2009) (2)
- Additions to the global diversity of Cladonia (2016) (2)
- New Species of Cladonia From Tropical South America (1990) (2)
- Some Species of Cladonia Published by J. D. Hooker and T. Taylor from the Southern Hemisphere (1990) (2)
- Additions to the lichens of Thunder Bay District, Ontario (1995) (2)
- William Nylander's collected lichenological papers (1967) (1)
- Arvo Jaakko Juhani Jalas (1920-1999) (2000) (1)
- Nomenclatural Notes on Cladonia delessertii and Cladonia alpicola (1967) (1)
- Taxonomic Notes on Pycnothelia Dufour and Gymnoderma Nyl. (Cladoniaceae) in Madagascan Region (2020) (1)
- 739) Proposal to Conserve Roccella against Thamnium (Lichenized Fungi) (1984) (1)
- Correction to (739) proposal to conserve Roccella against Thamnium (Lichenized fungi) (1985) (1)
- Morphogenetic Capacity of the Mycobiont in Usnea (Lichenized Ascomycete).:Lichenized Ascomycete (1993) (1)
- The revision of lichens, lichenicolous and non-lichenized fungi from the Vodlozersky National Park (Republic of Karelia, Russia) in the Herbarium of the Botanical Museum, University of Helsinki (2019) (1)
- W. Nylander's Collected Lichenological Papers (1991) (0)
- Cladonia lutescens, a new lichen species from the Himalayas (2007) (0)
- Phylogeny and taxonomy of the ‘manna lichens’ (2012) (0)
- Editorial: Ten years of Tropical Bryology (1999) (0)
- New records of lichens of the genus Cladonia (Cladoniaceae) for Azerbaijan (2016) (0)
- Nomenclatural novelties: Parmeliopsis (2011) (0)
- Novyj mežvidovoj gibrid roda Salix (Salicaceae) iz Âkutii = New interspecific hybrid of the genus Salix (Salicaceae) from the Yakutia (2009) (0)
- Labrador, With a Description of the Sporophyte (1965) (0)
- Contributions. In Lichens of Finland (2016) (0)
- アジア産ハナゴケ属(ハナゴケ科,子嚢菌門)の分類ノート (2016) (0)
- On the lichen flora of Korea (1989) (0)
- Leptochidium M. Choisy (2011) (0)
- Proposals to conserve or reject names. 1926 Proposal to conserve Cladia against HeterodeaAscomycota. (2010) (0)
- Systema Ascomycetum. Vol. 6. Edited by O. E. Eriksson and D. L. Hawksworth. Kew and Umeå: CAB International Mycological Institute and University of Umeå. 1987. Pp. 338. ISSN 0280-8331. Price £20 [U.S.A., Central and South America U.S. $35]. (1989) (0)
- Multilocus phylogeny and classification of Parmeliaceae (Ascomycota) derived from Parsys-10. (2012) (0)
- The role of foreign collectors for the floristic studies of lichens in Russia: Rol" inostrannyh kollektorov v dele florististiceskogo izucenia lisajnikov v Rossii (2006) (0)
- Sphagnum magniporosum (Sphagnaceae, subgenus Subsecunda) a new peatmoss species from Venezuela (2022) (0)
- Polychidium (Ach.) Gray (2011) (0)
- News on lichenology in Helsinki (H) (2018) (0)
- Myr som reinbeite (1975) (0)
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