Field Hedge-nettle, Staggerweed: Stachys arvensis -
Lamb's Ear: Stachys byzantina -
Coastal Hedgenettle, Cooley's Hedgenettle, Cooley's Hedge-nettle, Great Betony, Great Hedge-nettle: Stachys cooleyae (Synonyms: Stachys ciliata, Stachys chamissonis var. cooleyae) -
Coast Hedgenettle, Great Betony, Mexican Betony, Mexican Hedgenettle, Mexican Hedge-nettle: Stachys mexicana (Synonyms: Stachys ajugoides, Stachys ajugoides var. rigida, Stachys ciliata, Stachys emersonii) -
Marsh Betony, Swamp Hedg-nettle: Stachys pilosa var. pilosa (Synonyms: Stachys pilosa, Stachys palustris var. homotricha, Stachys palustris var. pilosa, Stachys pilosa var. pilosa) -
Rigid Betony, Rigid Hedgenettle, Rigid Hedge-nettle, Rough Hedge-nettle: Stachys rigida (Synonyms: Stachys ajugoides, Stachys ajugoides var. ajugoides, Stachys ajugoides var. rigida, Stachys ciliata, Stachys rigida ssp. quercetorum, Stachys rigida ssp. rigida, Stachys rigida ssp. rivularis, Stachys rigida var. quercetorum, Stachys rigida var. rigida) -