Perennial herb to 1m tall, hairy below. Stems erect or ascending, simple or branched. Basal leaves obovate, to 12 cm long, to 3 cm wide, toothed, petiolate. Stem leaves lanceolate, decreasing in size up the stem, sessile. Capitula solitary or a few together, to 5 cm across, seldom larger; summer. Ray florets white, sometimes absent. Disk florets yellow. Pappus absent or a crown or ear-like lobe on outer achenes only. [Chrysanthemum leucanthemum L.]
Europe, Asia
L. maximum (Ramond) DC., Max Daisy, from Europe is an erect, short-lived perennial herb to 1 m tall with toothed leaves, large solitary radiate capitula and white ray florets. [Chrysanthemum vulgare Lam. subsp. maximum (Ramond) O. Bolòs & Vigo, Chrysanthemum maximum Ramond]
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.