Dataset: All Collections
Taxa: Crataegus pruinosa var. pruinosa (Crataegus gattingeri var. rigida, Crataegus mackenziei var. bracteata, Crataegus porteri var. caerulescens, Crataegus pruinosa var. congesta, Crataegus pruinosa var. conjuncta, Crataegus pruinosa var. latisepala, Crataegus pruinosa var. pachypoda)
Search Criteria: excluding cultivated/captive occurrences