Salix herbacea L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Slender, subherbaceous plant, creeping in moss and humus, glabrous throughout, except the sometimes sparsely hairy scales; twigs chestnut, subascending; buds ovate, 1.5–2.5 mm; lvs oval to suborbicular or even wider than long, 1–3 × 1–2.5 cm, crenulate-dentate, green on both sides, reticulate beneath; catkins after the lvs, 10–17 mm, with 5–12(–16) fls, terminating short, 2–4-lvd twigs; scales light to dark brown; stamens 2, the filaments distinct; staminate fls biglandular; frs glabrous, subsessile, lanceolate, 3–6 mm; style 0.5 mm; 2n=38. Grassy, sandy, or rocky places; circumboreal, s. in N. Amer. to Mt. Katahdin, Me., Mt. Washington, N.H., and Essex Co., N.Y. June–Sept. A hybrid with no. 13 [Salix uva-ursi Pursh] has been called S. ×peasei Fernald.