Table 1. Taxonomy, ploidal level, and geographic distribution of the various taxa of the Arabidopsis arenosa species complex (for details refer to the text).
| Taxon | Ploidal level | Distribution range |
| Arabidopsis arenosa (L.) Lawalrée | ||
| subsp. arenosa | 2n = 16/32 | Central and Western Europe, Scandinavia (lower altitudes) |
| subsp. arenosa var. intermedia (Kovats) Hayek | 2n = 32 | Southeastern Austrian Alps |
| subsp. borbasii (Zapałowicz) O'Kane & Al-Shehbaz | 2n = 32 | Central and Western Europe (mountain ranges, higher altitudes) |
| Arabidopsis carpatica, nom. prov. | 2n = 16 | Carpathians (limestone) |
| Arabidopsis croatica (Schott) O'Kane & Al-Shehbaz | 2n = 16/32 | Bosnia, Croatia |
| 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 |
| subsp. exoleta, nom. prov. | 2n = 32 | Carpathians |
Several taxa are awaiting taxonomic recognition (indicated with nom. prov.).