Sort By:
  1. Neviusia cliftonii (Rosaceae: Kerrieae), an intriguing new relict species from California
    By: Ertter, B - Shevock, J R - Taylor, D W
    Type: Article
    In: Novon
    Volume: 2
    Date: 1992
    Page Range: 285--289
    View Article
  2. New combinations in Potentilla and Horkelia (Rosaceae) in California
    By: Ertter, B
    Type: Article
    In: Phytologia
    Volume: 71
    Page Range: 420--422
    View Article
  3. Subspecies of Rosa nutkana and R. woodsii (Rosaceae) in western North America
    By: Ertter, B - Lewis, W H
    Type: Article
    In: Novon
    Volume: 17
    Date: 2007
    Page Range: 341--353
    View Article