Argyrotegium mackayi (Buchanan) J.M.Ward & Breitw.

Silver Cudweed

New Zealand J. Bot. 41: 609 (2003) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Rhizomatous, mat-forming perennial. Leaves mostly basal, crowded toward branch-tips, spathulate or oblanceolate, 6–15 mm long, 1.5–5 mm wide, both surfaces silvery or whitish with dense, appressed cottony hairs. Flowering stems erect or ascending, 0–3 cm high (to 5 cm rarely 10 cm in fruit), with c. 5–10 leaves not or hardly smaller than basal ones. Inflorescence a terminal capitulum, with or without single capitula in axils of lower leaves, each subtended by 1–3 small leaves at anthesis, but usually becoming pedunculate in fruit. Capitula campanulate or cup-shaped; inner bracts c. oblong, 3.8–5 mm long, acute to obtuse, rarely emarginate, often with a red-purple band just below the straw-coloured tip; bisexual florets 6–10. Cypselas c. 1 mm long, glabrous or sparsely hairy. Flowers Dec.–Jan.

HNF, VAlp. Also NSW, ACT, Tas. In Victoria mainly from Mt Hotham and the Bogong High Plains where sometimes colonizing bare ground in grassland communities, but with a few records from alpine sites elsewhere (e.g. Mount Buffalo, Nunniong Plateau, Cobberas, Snowy Range and the Baw Baw Plateau).

Source: Walsh, N.G. (1999). Euchiton. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne (as Euchiton argentifolius (N.A.Wakef.) Anderb.).
Updated by: Val Stajsic, 2019-02-18
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Asteraceae
genus Argyrotegium
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Argyrotegium mackayi in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Argyrotegium mackayi in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Highlands-Northern Fall present native
Victorian Alps present native

State distribution

Distribution map
New South Wales
Australian Capital Territory