Lectotypification of two Psephellus names highlights distribution areas and provides a taxonomic key.
Two names in Psephellus sect. Czerniakovskya (Asteraceae), namely P. iljinii and P. kopet‐daghensis , are lectotypified on specimens deposited at LE. In addition, the distribution area of both species is presented. Finally, a taxonomic key to species of P. sect. Czerniakovskya is provided.
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Kazem Negaresh (2026) studied this question.
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