Malvastrum coccineum (Nuttall) A. Gary var. dissectum (Nuttall ex Torrey & A. Gray); M. cockerellii A. Nelson; M. dissectum (Nuttall ex Torrey & A. Gray) Cockerell var. cockerellii (A. Nelson) A. Nelson; Sida dissecta Nuttall ex Torrey & A. Gray; Sphaeralcea coccinea subsp. dissecta (Nuttall ex Torrey & A. Gray) Kearney; S. coccinea var. dissecta (Nuttall ex Torrey & A. Gray) Kearney

Leaf blades: midlobe ± equaling secondary lobes. Mericarps: dehiscent part 10–20% of height. 2n = 10.

Flowering spring(–fall). Dry plains, prairies, disturbed roadsides; 300–2500 m; Alta., B.C., Man., Sask.; Ariz., Colo., Idaho, Iowa, Kans., Mont., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex., Utah, Wyo.; Mexico (Chihuahua).