Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Genus Description - Fls solitary in the forks of the stem, or in terminal cymes; sep 5; pet 5, bifid, often deeply so, or lacking; stamens mostly 10, sometimes fewer; styles mostly 3(4) but 5 in S. aquatica; ovules numerous; capsule ordinarily dehiscent by twice as many valves as there are styles, but in S. aquatica with 5 apically notched or shortly bifid valves; low annual or perennial herbs with mostly rather small, opposite, exstipulate lvs; × most commonly=13. (Alsine, Myosoton) 100+, widespread, esp. N. Temp.
chickweed, stitchwort, starwort