1. Raillardella pringlei Greene, Bull. Torrey Bot. Club. 9: 17. 1882.
Plants 25–50+ cm. Leaf blades lanceolate or oblanceolate to linear, margins entire or toothed, faces glabrous or ± stipitate-gland-ular (distal). Ray florets 6–13; corollas orange to red-orange, laminae 6–20+ mm. Disc florets 45–80+; corollas orange to red-orange, 8–11.5 mm. 2n = 34.
Flowering Jul–Oct. Meadows, stream banks, seeps; of conservation concern; 1200–2300 m; Calif.
Raillardella pringlei occurs on serpentine-derived soils in the Klamath Ranges.