Sphaeromorphaea major A.R.Bean

Prostrate or procumbent perennial shrub; resin globules absent. Leaves linear to narrowly oblanceolate, 11–85 mm long, 2–15 mm wide, dentate to denticulate, with teeth 0.1–0.7 mm long, pale green, glabrous. Capitula hemispherical, 4.5–8 mm diam.; peduncles 2–28 mm long. Corolla of marginal florets filiform, 1.5–2.4 mm long, white. Disc florets functionally male; corolla cylindrical to narrowly campanulate, 2.0–2.5 mm long; lobes 4 or 5, 0.4–0.5 mm long. Achenes formed from all florets, but disc achenes infertile. Marginal achenes 1.0–1.3 mm long, with 5–10 ribs; twin hairs absent or 1–4. Pappus corona almost erect, 0.02–0.05 mm high; margin entire or fimbriate; pappus bristles absent or 1–3, to 1.9 mm long.

It grows in coastal salt marsh, and on the margins of artesian springs in open salt-affected areas.