Dataset: All Collections
Taxa: Calystegia spithamaea ssp. purshiana (Convolvulus purshianus, Calystegia sepium var. pubescens, Calystegia spithamaea var. pubescens, Convolvulus sepium var. pubescens, Convolvulus spithamaeus var. pubescens)
Search Criteria: excluding cultivated/captive occurrences