Pacific Island Ecosystems at Risk (PIER)

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Leontodon taraxacoides
(Vill.) M‚rat, Asteraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Hyoseris taraxacoides Vill.; Leontodon saxatilis Lam.

Common name(s): [more details]

English: hairy hawkbit, lesser hawkbit, rough hawkbit

Habit:  herb

Description:  "Rosette-forming herb. Leaves to ca 10 cm long, narrow linear-oblong in outline but more or less pinnatifid, tending runcinate, with petiole more or less distinct from the decurrent lamina. Capitula solitary, peduncles to nearly 30 cm. Phyllaries ca one cm long in fruiting capitula, a little shorter at flowering stage. Rays yellow. Achenes fusiform, ribs muricate" (Sykes, 1970; p. 66).

Habitat/ecology:  Normally a weed in temperate countries, growing in the non-coastal part of Niue that is also exposed to the cooling effect of the trade wind. It is said to prefer calcareous soils and dry grasslands in Europe (Sykes, 1970; p. 66).

Propagation:  Seed

Native range:  Macaronesia and northern Africa, Europe, Turkey; naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 339)
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Sykes, W. R. (1977) (p. 94)
Niue
Niue
Niue Island introduced
invasive
Sykes, W. R. (1970) (p. 66)
Vouchers cited: CHR 170431
Niue
Niue
Niue Island introduced
invasive
Whistler, W. A. (1988) (p. 11)
Niue
Niue
Niue Island introduced
invasive
Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 44)
Voucher: BMW 7084 (BISH, CHR, BRI)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
Australia (continental) introduced
invasive
National Herbarium of New South Wales (2013)
South Australia, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Weed of lawns and wasteland.
Naturalised
Australia
Australia (continental)
Queensland introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Chile (continental)
Chile
Chile (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Ryukyu Islands
Ryukyu Islands introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 339)
"Lawns, bogs, swamps, roadsides, railway lines, sand dunes, gravel, waste land, pasture, gardens".
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
United States (west coast)
United States (west coast states)
USA (California) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
United States (west coast)
United States (west coast states)
USA (Washington) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized


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This page was created on 24 AUG 2002 and was last updated on 17 MAY 2013.