Pacific Island Ecosystems at Risk (PIER)

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Hypochaeris glabra
L., Asteraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: guang mao er ju

English: false dandelion, glabrous cat's-ear, small Capeweed, smooth cat's ear, smooth flatweed

Habit:  herb

Description:  "Taprooted annual herbs 1-4 dm tall, unbranched or sparingly branched, glabrous or nearly so. Leaves oblanceolate, 2.5-15 cm long, 0.7-3.5 cm wide, glabrous or sparsely pubescent along the veins and margins, toothed or pinnatifid.  Involucre 8-10 mm high at anthesis and nearly twice that in fruit; rays scarcely exceeding the involucre.  Outermost achenes beakless, the remainder with a long slender beak"  (Wagner et al., 1999; pp. 327, 1861).

Description from Flora of China online.
Description from Flora of North America.

Habitat/ecology:  In Hawai‘i, "naturalized often in relatively dry sites, 600-2,800 m" (Wagner et al., 1999; pp. 327, 1861).  "Grassy slopes, sage scrub, pine-hardwood forest, disturbed areas, roadsides, commonly in sandy soil; 100-1300 m"  (Flora of North America online).

Propagation:  Seed

Native range:  Europe, northern Africa (including Madeira and Canary Islands) and western Asia; 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
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 8)
"An occasional weed of grassland etc.". Vouchers cited: W.R. Sykes NI 201 (CHR); P.S. Green 1497 (A); 1898, I. Robinson (NSW); 1902, J.H. Maiden & J.L. Boorman (NSW); J.D. McComish 240 (NSW)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
Skottsberg, Carl (1953) (p. 226)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 554)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 554)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 554)
Chile (offshore islands)
Juan Fernández Islands
Morro El Verdugo introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 554)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 327)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 327)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 327)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Staples, George W./Imada, Clyde T./Herbst, Derral R. (2003) (p. 9)
Vouchers cited: G.C. Munro 504 (BISH), G.C. Munro 430 (BISH), E.Y. Hosaka 471 (BISH)
State of Hawaii
Hawaiian Islands
Ni‘ihau, Lehua Islet introduced
invasive
Herbst, Derral R./Wagner, Warren L. (1996) (p. 10)
Voucher cited: Flynn 4859 (BISH)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 327)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 327)
Voucher cited: Forbes 773.Mo (BISH)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 327)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 36)
Vouchers cited: MacKee 36308, Cherrier in MacKee 43956
Spontané
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 334)
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Sykes, W. R. (1977) (p. 93)
May no longer be present (possibly destroyed in vocanic eruption).
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)
Commonly growsin lawns, gardens, roadsides, pastures and woodland and disturbed habitats, widespread weed.
Naturalised
Australia
Australia (continental)
Northern Territory introduced
invasive
National Herbarium of New South Wales (2013)
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., Nat. Res. Cons. Serv. (2013)
Chile (continental)
Chile
Chile (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Imbabura
Naturalized
Guatemala
Guatemala
Guatemala (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Japan
Japan (country) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Honshu
Naturalized
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 190)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 334)
"Grassland, pasture, dunes, riverbeds, coastal rock, stony terraces, railway ballast, waste land, gardens, roadsides".
Taiwan
Taiwan Island
Taiwan Island introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Naturalized
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
invasive
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
invasive
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) introduced
invasive
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (except British Colombia)
Canada
Canada (country) introduced
invasive
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Ontario
United States (continental except west coast)
United States (other states)
United States (other states) introduced
invasive
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized


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This page was created on 4 AUG 2002 and was last updated on 11 MAY 2013.