Thuja occidentalis L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Conical tree to 20 m, with widely spreading branches; ultimate branchlets very soft and flat, 1–2 mm wide; lvs closely imbricate, broadly ovate to rotund, 2–4 mm, glandular, persisting and enlarging on the older branches; cone ca 1 cm, the outer scales nearly as long as the inner; 2n=22. Moist or wet soil, often in swamps; Que. and N.S. to Hudson Bay, s. to N.J., O., n. Ind. and Ill., Wis., Minn., and in the mts. to N.C. and Tenn.
northern white cedar