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Erigeron canadensis

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Erigeron

horseweed, horseweed, ilioha, lani wela, lani wela

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Synonyms (37)

Aster canadensis (L.) E.H.L.Krause (1905)
Caenotus canadensis (L.) Raf. (1837)
Caenotus pusillus Raf. (1837)
Conyza bonariensis var. angustifolia (Cabrera) Cabrera (1953)
Conyza canadensis (L.) Cronquist (1943)
Conyza canadensis var. canadensis Cronquist (1947)
Conyza canadensis var. glabrata (A.Gray) Cronquist (1947)
Conyza canadensis var. incisa P.D.Sell (2006)
Conyza canadensis var. obovoidea P.D.Sell (2006)
Conyza canadensis var. pusilla (Nutt.) Cronquist (1947)
Conyza canadensis var. robusta P.D.Sell (2006)
Conyza canadensis var. simplex P.D.Sell (2006)
Conyza parva Cronquist (1943)
Conyza rufescens Hoffmanns. & Link (1825)
Conyzella canadensis (L.) Rupr. (1869)
Erigeron bonariensis var. angustifolius Cabrera (1941)
Erigeron canadense
Erigeron canadensis f. coloratus Fassett (1929)
Erigeron canadensis var. glabratus A.Gray (1850)
Erigeron canadensis var. grandiflorus Schwein. (1824)
Erigeron canadensis var. levis Makino (1926)
Erigeron canadensis var. pusilla
Erigeron canadensis var. strictus Farw. (1923)
Erigeron myriocephalus Rech.f. & Edelb. (1955)
Erigeron paniculatus Lam. (1779)
Erigeron pusillus Nutt. (1818)
Erigeron ruderalis Salisb. (1796)
Erigeron setiferus Post ex Boiss. (1888)
Erigeron strictus DC. (1836)
Inula canadensis Bernh. (1800)
Leptilon canadense (L.) Britton (1898)
Leptilon canadense var. pusillum (Nutt.) Daniels (1911)
Leptilon pusillum (Nutt.) Britton (1914)
Marsea canadensis (L.) V.M.Badillo (1946)
Senecio ciliatus Walter (1788)
Tessenia canadensis (L.) Bubani (1899)
Trimorpha canadensis (L.) Lindm. (1918)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Ni'ihau(Incl. Lehua) Naturalized
Kuaihelani (Midway Atoll) Naturalized
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Naturalized
Kaho'olawe Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 863 (1753)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Erigeron canadensis Haleakala National Park, Leg 10, south slope Preserved_Specimen Gagné, B.H. 3047 Maui BISH 1991-04-15
2 Erigeron canadensis East Maui, Haleakala slopes Preserved_Specimen Rock, J.F.C. 8559 Maui BISH 1910-09-01
3 Erigeron canadensis Slopes of Mauna Kea Preserved_Specimen Rock, J.F.C. 8337 Hawaii BISH 1910-06-01
4 Erigeron canadensis W Maui, Wailuku District, Waihee Dunes On lithified sand. Preserved_Specimen Single plant. Oppenheimer, H.L. 120602 Maui BISH 2006-12-04
5 Erigeron canadensis East Maui, Puu Ouli Preserved_Specimen Forbes, C.N. 2144 Maui BISH 1920-09-04
6 Erigeron canadensis Honolulu; Upper end of Manoa Valley Preserved_Specimen Caum, E.L. Oahu BISH 1945-07-25
7 Erigeron canadensis Honolulu; Upper end of Manoa Valley Preserved_Specimen Caum, E.L. Oahu BISH 1945-07-28
8 Erigeron canadensis East Maui, Haleakala National Park along road to Hosmers grove. Preserved_Specimen Welton, P. Maui BISH 2004-09-03
9 Erigeron canadensis Top of Nuuanu Pali Locally on grassy slopes & ledges on exposed crest Preserved_Specimen Heads white Fosberg, F.R. 27084 Oahu BISH 1946-09-22
10 Erigeron canadensis Chain-of-Craters Road, Haw. Volc. Nat. Park, mauka of Na Ulu picnic ground. Preserved_Specimen many fasciated. Degener, O. 33667 Hawaii BISH 1966-11-25
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