Meadow Foxtail, Shortawn Fescue, Shortawn Foxtail: Alopecurus aequalis var. aequalis (Synonyms: Alopecurus aequalis var. natans, Alopecurus aristulatus, Alopecurus geniculatus var. aristulatus, Alopecurus geniculatus var. fulvus)
Tufted Meadow-foxtail: Alopecurus carolinianus (Synonyms: Alopecurus macounii, Alopecurus ramosus)
Water Fescue, Water Foxtail: Alopecurus geniculatus (Synonyms: Alopecurus geniculatus var. geniculatus, Alopecurus pallescens)
Field Foxtail, Field Meadow-foxtail, Meadow Foxtail: Alopecurus pratensis
Annual Foxtail, Pacific Foxtail: Alopecurus saccatus (Synonyms: Alopecurus californicus, Alopecurus howellii) - We're unsure if this species is present close to Mount Adams.?