Nightblooming False Bindweed, Night-blooming Bindweed, Night-blooming Morning-glory: Calystegia atriplicifolia ssp. atriplicifolia (Synonym: Convolvulus nyctagineus) -
Pale Morning Glory: Calystegia occidentalis ssp. occidentalis (Synonyms: Convolvulus occidentalis ssp. fruticetorum, Convolvulus polymorphus, Calystegia polymorpha, Calystegia occidentalis var. occidentalis, Convolvulus occidentalis) -
Hedge Bindweed, Lady's Nightcap: Calystegia sepium ssp. angulata (Synonym: Calystegia sepium ssp. angulata, Calystegia sepium var. angulata, Convolvulus repens, Convolvulus sepium, Convolvulus sepium var. communis, Convolvulus sepium var. repens) - Uncommon in the Cascade Mountains.
Field Morning Glory, Field Bindweed: Convolvulus arvensis (Synonym: Convolvulus ambigens) -