Thymus alternans Klokov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 16: 293 (1954)

Novikov, Andriy, 2023, An annotated nomenclatural checklist of endemic vascular plants distributed in the Ukrainian Carpathians, Biodiversity Data Journal 11, pp. 103921-103921 : 103921

Thymus alternans Klokov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 16: 293 (1954)

Thymus alternans - Thymus marschallianus auct., non Willd. *

Thymus alternans - Thymus glabrescens auct., non Willd.

Thymus alternans - Thymus serpyllum f. margittaianus auct., non Lyka in Jav.

Thymus alternans - Thymus roegneri K.Koch, Linnaea 21(6): 666 (1849) [p. p., tantum quod plantas ucrain. carpat.] *; GBIF: https://www.gbif.org/species/5605565; IPNI: https://ipni.org/n/461608-1; WFO: http://www.worldfloraonline.org/taxon/wfo-0000324688; POWO: https://powo.science.kew.org/taxon/461608-1; BHL: https://www.biodiversitylibrary.org/page/110603#page/669

Thymus alternans - Thymus serpyllum var. roegneri (K.Koch) Nyman, Consp. Fl. Eur. Suppl. 2: 257 (1890) [p. p., tantum quod plantas ucrain. carpat.]; IPNI: https://ipni.org/n/77293372-1; WFO: http://www.worldfloraonline.org/taxon/wfo-0000803343; POWO: https://powo.science.kew.org/taxon/77293372-1; BHL: https://www.biodiversitylibrary.org/page/11015401#page/268

Conservation status

In Ukraine - LC ( Onyshchenko et al. 2022).

Distribution

Pancarpathian subendemic.

Notes

Euro+Med (https://europlusmed.org/cdm_dataportal/taxon/d4cedbae-5fc0-4f8a-b5cc-deeb11ca2ad4, accessed on 06.06.2023) and Worldplants (https://www.worldplants.de/world-plants-complete-list/complete-plant-list?name=Thymus-roegneri, accessed on 06.06.2023) consider T. alternans a synonym of T. roegneri K.Koch, which is widely distributed. However, Kliment et al. (2016) suggest it to be a valid subendemic species. Mártonfi (1996), Nachychko (2014) and Nachychko and Honcharenko (2017) also support the independence of T. alternans . Nevertheless, T. alternans plants from the Ukrainian Carpathians were sometimes misidentified as T. roegneri .