Euphorbia polygonifolia Linnaeus, Species Plantarum 1: 455. 1753.

"Habitat in Canada, Virginia." RCN: 3518.

Lectotype (Wheeler in Rhodora 43: 117. 1941): Kalm, Herb. Linn. No. 630.19 (LINN) .

Current name: Euphorbia polygonifolia L. ( Euphorbiaceae).

Note: See notes by Reveal & al. (in Huntia 7: 222. 1987). However, Wheeler’s type statement clearly complies with Art. 7.11.