Table 1.
Arabidopsis species diversity and taxonomy
| Arabidopsis arenosa species 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 |
Species diversity of Arabidopsis thaliana’s relatives. Information on taxonomy, chromosome number, ploidy level and geographic distribution is provided.