Flora of the Pacific Northwest, 2nd Edition
Burke Museum Herbarium & University of Washington Press
Sign In
Revised Treatments

Corrections, revisions, updates and additions made to treatments following publication of the 2nd Edition are listed here with links to PDFs.

Last entry added on 28 May 2021.

Sort by:
Aceraceae:
Aceraceae: Aceraceae segregated from Sapindaceae and Hippocastanaceae. Covers genus Acer only.
Posted on 4 Dec 2020.
Amaranthaceae:
key to genera: Changes to key: Sarcocornia from original key has been synonymized within Salicornia here.
Posted on 28 Apr 2020.
Salicornia: Sarcocornia synonymized within Salicornia; Salicornia pacifica replaces Salicornia/Scarocornia perennis as the correct name for the perennial species of coastal western North America (Piirainen et al., 2017. Taxon 66(1):109-132).
Posted on 11 May 2020.
Apiaceae:
key to genera: Revised key includes Sphenosciadium synonymized within Angelica (key to fruits lead 5a; key to vegetative parts lead 25b); correction to key to fruits in leads 36a through 38a (Cicuta, Oenanthe, Sium), including addition of Sium fruit (lead 37a).
Posted on 28 Apr 2020.
Angelica: Revised key includes A. capitellata (previously treated as Sphenosciadium capitellatum in original Apiaceae treatment).
Posted on 29 Apr 2020.
Asteraceae:
Carduus: Key revised to add Carduus crispus and C. cinereus.
Posted on 28 Apr 2021.
Doellingeria: Eucephalus synonymized within Doellingeria based on recent molecular studies.
Posted on 28 May 2021.
Berberidaceae:
Berberidaceae: Changes to treatment: Mahonia is recognized as distinct from Berberis; key to genera revised to incorporate Mahonia; Mahonia genus description provided, along with key to Mahonia species in the flora region.
Posted on 15 May 2020.
Cactaceae:
Opuntia: Opuntia phaeacantha, a southwestern US introduction established in Klickatat County, WA, is added to the updated Opuntia key here.
Posted on 5 Jan 2021.
Hippocastanaceae:
Hippocastanaceae: Hippocastanaceae segregated from Sapindaceae and Aceraceae. Covers genus Aesculus only.
Posted on 4 Dec 2020.
Iridaceae:
Iris: Key reworked and revised to add Iris versicolor.
Posted on 28 Apr 2021.
Lamiaceae:
Lamium: Lamiastrum synonymized within Lamium based on molecular evidence: Lamiastrum galeobdolon treated here as Lamium galeobdolon and included in Lamium key.
Posted on 18 Dec 2020.
Stachys: Key revised to add Stachys palustris, a Eurasian species sparingly established in northern ID and southwest BC.
Posted on 28 Apr 2021.
Melanthiaceae:
Trillium: Trillium ovatum var. hibbersonii is elevated to the rank of species.
Posted on 27 Apr 2021.
Montiaceae:
Calandrinia: The name Calandrinia ciliata is misapplied in the Pacific Northwest (Hershkovitz 2006). The correct name is C. menziesii, which is used in the revised treatment here.
Posted on 5 Jan 2021.
Orobanchaceae:
Rhinanthus: Key revised to indicate ssp. minor is introduced, and clarify distributions.
Posted on 28 May 2021.
Plantaginaceae:
Veronica: Key revised to incorporate Synthyris within Veronica.
Posted on 28 Apr 2021.
Poaceae:
Aristida: Key revised to add Aristida basiramea, a weedy introduction established in central Idaho.
Posted on 28 Apr 2021.