Szeląg, Z. and Vladimirov, V. 2022.

Senecio ×riloensis (Asteraceae), a new natural hybrid between S. hercynicus and S. transylvanicus from Bulgaria

. Phytotaxa. 572, 2 (Nov. 2022), 144–148. DOI:https://doi.org/10.11646/phytotaxa.572.2.2.