Sideritis hyssopifolia subsp. guillonii
Synonymy
Source: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.
Sideritis hyssopifolia subsp. guillonii, Consp. Fl. Eur., Suppl. 2: 253. 1890