• Low sprawling herbacious perennial with a woody base, from Central America, common in home garden rockeries and borders.
• Leaves are light green, slightly hairy, often lobed, and grow in clusters along the stem. Characteristic smell when crushed.
• Large numbers of small daisy flowers, opening white, ageing to pink, yellow centre. Flowers all year, but mainly in summer.
• Each flower produces many small, light seeds.

Seeds are dispersed by wind and water, stems layer, broken roots regrow. Often sold on garden stalls; often dumped in bushland.

Reproduces and spreads rapidly to form dense mats, can grow in almost any open habitat, including watercourses. Crowds out and displaces ground level plants, creating a virtual monoculture.

Throughout the Blue Mountains.

Rock Daisies (Brachyscome species); Everlasting Daisies (Chrysocephalum spp, Rhodanthe spp, Bracteantha spp); low Grevilleas (eg Grevillea 'Pink Lady'); dwarf Correas(eg Correa 'Dusky Bells'); Bush Peas (eg Pultanaea scabra, P. microphylla); Scarlet Mint Bush (Prostanthera aspalathoides).

Pull or dig out; stems tend to become brittle and break off. Can be sprayed or cut and painted. Requires follow-up.