Senecio cymbalarioides Buek subsp. moresbiensis Calder & Roy L. Taylor, Canad. J. Bot. 43: 1399. 1965; Packera moresbiensis (Calder & Roy L. Taylor) J. F. Bain; S. cymbalarioides Buek var. moresbiensis (Calder & Roy L. Taylor) C. C. Freeman; S. moresbiensis (Calder & Roy L. Taylor) G. W. Douglas & Ruyle-Douglas; S. resedifolius Lessing var. moresbiensis (Calder & Roy L. Taylor) B. Boivin

Basal leaves: bases usually contracted, sometimes tapering. Heads (1–)2–3; Phyllaries reddish or cyanic, hairy (hairs reddish, multicellular). 2n = 90.

Flowering late Jun–late Jul. Open grass/sedge meadows, near streams and lakes, mossy slopes, peat bogs; of conservation concern; 0–900 m; B.C.; Alaska.

Packera subnuda var. moresbiensis is known only from the extreme southeastern coast of Alaska, the Queen Charlotte Islands, and northern Vancouver Island.