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Table 1 Arabidopsis species diversity and taxonomy

From: Taming the wild: resolving the gene pools of non-model Arabidopsislineages

Arabidopsis arenosaspecies aggregate   
Arabidopsis arenosa (L.) Lawalrée   
subsp. arenosa (2n = 32) Central and Western Europe, Scandinavia (lower altitudes)
subsp. arenosa var. intermedia (Kovats) Hayek (2n = 32) Southeastern Austrian Alps (similar to A. neglecta)
subsp. borbasii (Zapałowicz) O'Kane & Al-Shehbaz (2n = 32) Central and Western Europe (mountain ranges, higher altitudes)
Arabidopsis arenosa, unclear taxonomic treatment (2n = 16) Balkans
Arabidopsis carpatica, nom. prov. (2n = 16) Carpathians (middle altitudes, calcareous bedrocks)
Arabidopsis neglecta (Schultes) O’Kane & Al-Shehbaz   
subsp. neglecta (2n = 16) Carpathians (alpine ranges)
subsp. robusta, nom. prov. (2n = 32) Carpathians (alpine ranges, only occasionally in lower altitudes)
Arabidopsis nitida, nom. prov. (2n = 16) Carpathians (mountain ranges, middle to subalpine altitudes)
Arabidopsis petrogena (A. Kern) V.I. Dorof.   
?subsp. petrogena (2n = 16) Carpathians, Pannonian lowland (maybe two varieties)
subsp. exoleta, nom. prov. (2n = 32) Carpathians (lower altitudes)
Arabidopsis lyrata lineage   
Arabidopsis lyrata subsp. lyrata (L.) O’Kane & Al-Shehbaz (2n = 16) Alaska, Canada, United States
Arabidopsis lyrata subsp. petraea (L.) O’Kane & Al-Shehbaz (2n = 16/32) Europe
= A. petraea (L.) V.I. Dorof.   
Arabidopsis petraea subsp. umbrosa (Turcz. Ex Steud.) Elven & D.F. Murray (2n = 16) Arctic NE Asia, Siberia, Alaska, Canada
Arabidopsis petraea subsp. septentrionalis (N. Busch) Elven & D.F. Murray (2n = 32) Arctic NE Europe, European Russia to Siberia
Arabidopsis arenicola (Richardson ex Hook.) Al-Shehbaz et al. (2n = 16) Arctic Canada and Greenland
Arabidopsis halleri lineage   
Arabidopsis halleri subsp. halleri (L.) O’Kane & Al-Shehbaz (2n = 16) Europe
Arabidopsis halleri subsp. dacica (Heuff.) Kolník (2n = 16) Carpathians, Romania
Arabidopsis halleri subsp. gemmifera (Matsum.) O’Kane & Al-Shehbaz (2n = 16) Russia Far East, NE China, Korea, Japan, and Taiwan
Arabidopsis halleri subsp. ovirensis (Wulfen) A. P. Iljinsk. (2n = 16) Austria only (all accessions from the Balkans belong to subsp. halleri)
Arabidopsis halleri subsp. tatrica (Pawł.) Kolník (2n = 16) Tatra mountains, Slovakia
Arabidopsis umezawana Kadota (2n = ?) Japan, Hokkaido (alpine zone of Mt. Rishirizin), annual to biennial
Other diploid taxa   
Arabidopsis pedemontana (Boiss.) O’Kane & Al-Shehbaz (2n = 16) NW Italy
Arabidopsis cebennensis (DC.) O’Kane & Al-Shehbaz (2n = 16) SE France, Massif Central
Arabidopsis croatica (Schott) O’Kane & Al-Shehbaz (2n = 16) Croatia
Allopolyploid taxa   
Arabidopsis kamchatica (Fisch. Ex DC.) O’Kane & Al-Shehbaz (2n = 32) Boreal Alasca, Canada, E Siberia, Russian Far East, Korea, Japan,
Taiwan   
Arabidopsis kamchatica subsp. kawasakiana (Makino) Shimizu & Kudoh (2n = 32) Japan, winterannual (coastal, lowland)
Arabidopsis suecica (Fr.) Norrl. (2n = 26) Fennoscandinavia and the Baltic region
  1. Species diversity of Arabidopsis thaliana’s relatives. Information on taxonomy, chromosome number, ploidy level and geographic distribution is provided.