Hyssopus alopecuroides Hyssopus altissimus Hyssopus angustifolius Hyssopus beugesiacus Hyssopus fischeri Hyssopus hirsutus Hyssopus myrtifolius Hyssopus officinalis var. angustifolius Hyssopus officinalis subsp. borealis Hyssopus officinalis var. latifolius Hyssopus orientalis Hyssopus passionis Hyssopus polycladus Hyssopus pubescens Hyssopus recticaulis Hyssopus schleicheri Hyssopus torresii Hyssopus vulgaris Hyssopus officinalis var. decussata Hyssopus officinalis var. ruber Hyssopus officinalis var. cyaneus Hyssopus officinalis var. altissimus Hyssopus officinalis var. albus Hyssopus officinalis f. roseus Hyssopus officinalis f. ruber Hyssopus officinalis prol. decumbens Hyssopus officinalis subsp. angustifolius Hyssopus officinalis var. decumbens Hyssopus caucasicus Hyssopus decumbens Hyssopus judaeorum Hyssopus ruber Hyssopus officinalis f. albus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024