Annual herb to 20 cm tall, glabrous. Stems branched. Basal leaves obovate in outline, toothed to lobed, petiolate. Stem leaves smaller, oblong, toothed to divided. Capitula to 2-3 cm across; summer. Ray florets pale yellow or whitish with a yellow base. Disk florets yellow. Achenes ribbed. [Chrysanthemum paludosum Poir.]
Spain, Morocco
Source: (2002). Dahlia. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.