Pacific Northwest Native Plant Profile: Cascara (Frangula purshiana ...
Cascara - Rhamnus purshiana - PNW Plants - Washington State …
Frangula purshiana ssp. purshiana - WNPS
Rhamnus purshiana: Cascara - Portland Nursery
Tree Profile for the Cascara - Urban Forest Nursery, Inc.
Cascara - North Creek Wetland
Cascara, Frangula purshiana - Native Plants PNW
Introducing Cascara—A Fantastic PNW Native Tree
Rhamnus purshiana, Cascara - Woodbrook Native Plant Nursery
Cascara - Sparrowhawk Native Plants