Myosotis scorpioides L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Fibrous-rooted perennial 2–6 dm, often creeping at base and commonly stoloniferous, inconspicuously strigose; lvs 2.5–8 cm × 7–20 mm, the lower mostly oblanceolate, the others more oblong or elliptic to lance-elliptic; infl terminal, becoming open; mature pedicels spreading, about equaling or somewhat surpassing the 3–5 mm cal; cal closely strigose, the lobes equaling or shorter than the tube, sometimes unequal; cor blue, the limb 5–10 mm wide, flat; style equaling or more often surpassing the nutlets, rarely surpassed by them; 2n=64. Shallow water and wet soil; native of Europe, naturalized throughout our range. May–Sept. (M. palustris)