Symphyotrichum novi-belgii (L.) G.L.Nesom

Michaelmas Daisy

Phytologia 77 (3): 287 (1994) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Rhizomatous perennial; stems erect, to c. 1 m high, glabrous or antrorsely scabrous-pubescent in narrow lines; narrowly branched near apex. Leaves alternate, soon deciduous from basal parts, narrowly lanceolate to oblanceolate, 2–15 cm long, 3–15 mm wide; bases narrowly stem-clasping; margin entire to distantly short-toothed, antrorsely scabrous; surfaces glabrous or with scattered antrorse bristles. Inflorescence narrowly paniculate; involucral bracts suberect to spreading, unequal, in 3–5 irregular series, linear, 2.5–6 mm long, acute, green, sometimes purple-tipped, margins whitish; ligulate florets in 1 series, 2–3.5 times as long as involucre, pale to deep mauve or bluish, fewer than tubular florets. Cypselas narrowly elliptic, c. 2 mm long, obscurely 4-angled, shortly and sparsely appressed-pubescent; pappus bristles in 1 series, 4–6 mm long. Flowers Mar.–Apr.

*GipP, *HNF, *HSF, *VVP. NSW, ACT, Tas. Native to north-eastern USA and Canada. A garden-escape that has become established in a few cool, well-watered to swampy areas (e.g. Mt Beauty, Mirimbah, Noojee, Dandenong Range).

Created by: Daniel Ohlsen, 2015-12-04
Updated by: Val Stajsic, 2018-09-06
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Asteraceae
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Symphyotrichum novi-belgii in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Symphyotrichum novi-belgii in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Gippsland Plain present naturalised
Highlands-Southern Fall present introduced
Highlands-Northern Fall present naturalised

State distribution

Distribution map
New South Wales
Australian Capital Territory