Sitka Burnet: Sanguisorba stipitata (Synonyms: Sanguisorba canadensis ssp. latifolia, Sanguisorba canadensis var. latifolia, Sanguisorba canadensis var. sitchensis, Sanguisorba sitchensis) - Collected at the Steamboat Mountain Research Natural Area to the SW of Mt. Adams.
Garden Burnet, Small Burnet: Poterium sanguisorba var. polygamum (Synonyms: Poterium balearicum, Poterium sanguisorba ssp. muricatum, Sanguisorba minor, Sanguisorba minor ssp. balearicum, Sanguisorba minor ssp. muricata) -
Annual Burnet, Prairie Burnet: Poteridium annuum (Synonyms: Poteridium occidentale, Sanguisorba annua, Sanguisorba occidentalis) -