Pinnate-leaved European perennial having bright blue or white flowers
English: Jacob's ladder, Greek valerian, charity, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae
greek_valerianEnglish
Greek valerian, Jacob's ladder, Polemonium caeruleum, Polemonium reptans, Polemonium van-bruntiae
Noun
Erect or spreading perennial of the eastern United States
English: Greek valerian, Polemonium reptans