Accepted name

Verbascum ×semialbum Chaub.

Accepted names in other sources

Key to the flora of the Czech Republic, 2nd edition (Kaplan et al. 2019)

Verbascum ×semialbum

Pladias database (previous version 2014-2020)

Verbascum nigrum × V. thapsus

Checklist of vascular plants of the Czech Republic (Danihelka et al. 2012)

Verbascum nigrum × V. thapsus

Key to the flora of the Czech Republic, 1st edition (Kubát et al. 2002)

Verbascum ×collinum nom. illeg.