Dos nuevas propuestas para Sideritis tragoriganum Lag. (Labiatae)

Two new subspecies under Sideritis tragoriganum (subsp. perisii and subsp. densispica) from the Alicante province (Valencian Community, Spain) are proposed. Some corresponding descriptions, diagnosis, and iconography are provided, in addition a dichotomous key for the different subspecies of S. tragoriganum is included in this work