Kathryn Beck,^1,* Katherine Glew,² Amanda Hardman,³ Natasha Lavdovsky,⁴ Bruce McCune,^5,** Nils Nelson,⁶ Jeanne Ponzetti,⁷ Fred Rhoades,⁸ Roger Rosentreter,⁹ Daphne Stone,¹⁰ Tiffany Theden,¹⁰ Tor Tønsberg,¹¹ John Villella<sup>12

1</sup>1708 McKenzie Ave, Bellingham, Washington 98225, U.S.A.
²Herbarium, University of Washington, Seattle, Washington 98195, U.S.A.
³U.S. Forest Service, 431 Patterson Bridge Road, John Day, Oregon 97845, U.S.A.
⁴300 - 895 Fort St., Victoria, BC V8W 1H7, Canada
⁵Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331, U.S.A.
⁶392 Crowson Road, Ashland, Oregon 97520, U.S.A.
⁷2914 Central St. SE, Olympia, Washington 98501, U.S.A.
⁸Biology Department, Western Washington University, Bellingham, Washington 98225, U.S.A.
⁹Biological Sciences, Boise State University, Boise, Idaho 83725, U.S.A.
¹⁰123A W. Whitman St. Leavenworth, Washington, 98826, U.S.A.
¹¹Department of Natural History, University Museum, University of Bergen, Allégt. 41, P.O. Box 7800, N-5020 Bergen, Norway
¹²Siskiyou BioSurvey LLC, 324 Avery St., Ashland, Oregon 97520, U.S.A.

^*Order of authors alphabetical; authors contributed text and/or species lists.
^**Corresponding author email: mccuneb@oregonstate.edu