Meadow Foxtail, Shortawn Fescue, Shortawn Foxtail, Short-awn Foxtil: Alopecurus aequalis var. aequalis (Synonyms: Alopecurus aequalis var. natans, Alopecurus aristulatus, Alopecurus geniculatus var. aristulatus, Alopecurus geniculatus var. fulvus)
Water Fescue, Water Foxtail: Alopecurus geniculatus (Synonyms: Alopecurus geniculatus var. geniculatus, Alopecurus pallescens)
Blackgrass, Slender Measow-foxtail, Slender Meadow Foxtail: Alopecurus myosuroides (Synonym: Alopecurus agrestis)
Field Foxtail, Field Foxtail, Field Meadow-foxtail, Field Meadow Foxtail: Alopecurus pratensis
Annual Foxtail, Pacific Foxtail, Pacific Meadow-foxtil, Pacific Meadow Foxtail: Alopecurus saccatus (Synonym: Alopecurus howellii)