Taxa: Polemonium caeruleum, Polemonium caeruleum ssp. amygdalium, Polemonium caeruleum ssp. himalayanum, Polemonium caeruleum ssp. occidentale, Polemonium caeruleum ssp. vanbruntiae, Polemonium caeruleum ssp. villosum, Polemonium caeruleum var. album, Polemonium caeruleum var. himalayanum, Polemonium caer
... (show all)uleum var. pterospermum