Morus alba L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Tree to 15 m; lvs glabrous or nearly so, or with white, spreading hairs along the veins beneath, acute or short-acuminate, otherwise as in no. 1 [Morus rubra L.]; fr white, pink, or pale purple to nearly black; 2n=28. Native of e. Asia, often escaped from cult. in our range.