Sideritis augustini Sideritis catalaunica Sideritis catalaunica var. cinerascens Sideritis endressii subsp. emporitana Sideritis endressii subsp. littoralis Sideritis endressii var. mathonii Sideritis endressii subsp. provincialis Sideritis hirsuta var. emporitana Sideritis hirsuta var. littoralis Sideritis hirsuta var. luxurians Sideritis hirsuta var. minorifolia Sideritis hirsuta var. provincialis Sideritis littoralis Sideritis provincialis Sideritis ruscinonensis Sideritis hirsuta subsp. endressii Sideritis provincialis Fracastora aculeata Sideritis hirsuta subsp. aculeata Sideritis hirsuta prol. augustini Sideritis hyssopifolia prol. endressii Sideritis hirsuta var. bracteosa Sideritis aculeata Sideritis hirsuta subsp. emporitana Sideritis hyssopifolia subsp. endressii Sideritis endressii var. littoralis
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024