Field Forget-me-not, Field Scorpiongrass, Field Scorpion Grass, Mouse Ear, Rough Forget-me-not: Myosotis arvensis (Synonym: Myosotis scorpioides var. arvensis) -
Changing Forget-me-not, Yellow and Blue Forget-me-not, Yellow and Blue Scorpion Grass, Yellow and Blue Scorpiongrass, Yellow Scorpiongrass: Myosotis discolor (Synonym: Myosotis versicolor) -
Bay Forget-me-not, Small Forget-me-not, Small-flowered Forget-me-not, Smaller Forget-me-not: Myosotis laxa -
Blue Scorpion Grass, Blue Scorpiongrass, Mouse Ear, Strict Forget-me-not: Myosotis micrantha (Synonym: Myosotis stricta) -
Common Forget-me-not, True Forget-me-not, Water Forget-me-not, Water Scorpion Grass: Myosotis scorpioides (Synonym: Myosotis palustris) -
Woodland Forget-me-not, Wood Forget-me-not, Woods Forget-me-not: Myosotis sylvatica - Calyx with spreading or hooked hairs. Corolla limb showy, the limb 4-8 mm wide.
Spring Forget-me-not: Myosotis verna (Synonyms: Myosotis macrosperma, Myosotis verna var. macrosperma, Myosotis virginica)