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Avena barbata

Pott ex Link (1800)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Poaceae Genus: Avena

wild oat

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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 (43)

Avena alba f. fallax (Maire & Weiller) Maire & Weiller (1953)
Avena alba f. triflora (Malzev) Maire & Weiller (1953)
Avena alba subvar. aristulata (Malzev) Maire & Weiller (1953)
Avena alba subvar. fallax Maire & Weiller (1939)
Avena alba subvar. glabrifolia (Malzev) Maire & Weiller (1953)
Avena alba subvar. minor (Lange) Maire & Weiller (1939)
Avena alba var. barbata (Pott ex Link) Maire & Weiller (1953)
Avena almeriensis Gand. (1905)
Avena barbata Brot. (1804)
Avena barbata f. colorata Hausskn. (1899)
Avena barbata f. triflora Hausskn. (1894)
Avena barbata subsp. castellana Romero Zarco (1990)
Avena barbata subsp. hoppeana (Scheele) K.Richt. (1890)
Avena barbata subsp. subtypica (Malzev) Tzvelev (1976)
Avena barbata subvar. hirsuta (Moench) Tab.Morais (1939)
Avena barbata var. caspica Hausskn. (1894)
Avena barbata var. frutescens Trab. (1895)
Avena barbata var. media Rouy (1883)
Avena barbata var. minor Lange (1860)
Avena barbata var. solida Hausskn. (1894)
Avena barbata var. subtypica (Malzev) Tzvelev (1976)
Avena barbata var. triflora Willk. (1861)
Avena bolivaris Sennen (1918)
Avena cypria Sibth. (1820)
Avena deusta Ball (1878)
Avena fatua subsp. barbata (Pott ex Link) Rouy (1913)
Avena hirsuta Moench (1802)
Avena hoppeana Scheele (1844)
Avena lagascae Sennen (1926)
Avena malzevii Tzvelev (1993)
Avena matritensis B.R.Baum (1977)
Avena sallentiana Pau (1918)
Avena sativa var. barbata (Pott ex Link) Fiori (1923)
Avena segetalis Bianca ex Nyman (1882)
Avena serrulatiglumis Sennen & Mauricio (1936)
Avena sterilis var. barbata (Pott ex Link) Lapeyrère (1902)
Avena strigosa subsp. barbata (Pott ex Link) Thell. (1911)
Avena strigosa subvar. aristulata Malzev (1930)
Avena strigosa subvar. glabrifolia Malzev (1930)
Avena strigosa subvar. minor (Lange) Malzev (1930)
Avena strigosa subvar. triflora Malzev (1930)
Avena strigosa var. subtypica Malzev (1930)
Avena villosa Lag. ex Roem. & Schult. (1817)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Potentially naturalizing
Lana'i Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: J. Bot. (Schrader) 1799(2): 315 (1800)

Other References

Wagner et al. 1990:1499 (O? [Schofield Barracks 1916, along outer slope of Diamond Head 1967], DESCR); Staples et al. 2002:13 (NEWNAT/H); Faccenda 2023c:85 (EM); Faccenda 2025b:112 (L); Herbst 364 BISH (O†, 1967)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Avena barbata Lanai Preserved_Specimen Munro, G.C. Lanai BISH
2 Avena barbata S. Kohala, Nohonaohae cinder cone. Grass is summit cinder cone Cinder cone Preserved_Specimen Cuddihy, L.W. 238 Hawaii BISH 1980-03-19
3 Avena barbata Kanaele Mauka of Kanaele Preserved_Specimen Kondo, Y. 12 Lanai BISH 1961-03-23
4 Avena barbata Koele, 2.5 mi from jct. of Keomuku and Lanaihale Roads, along Keomuku Rd In open, disturbed, dry pasture; assoc. with Hyparrhenia rufa Preserved_Specimen Herbst, D.R. 5291 Lanai BISH 1975-04-30
5 Avena barbata Kohala, Rt 250, about 8 km away from Rt 19 Edge of road, sunny dry area Preserved_Specimen Rare, one plant seen along road Faccenda, K. 2332 Hawaii BISH 2022-03-05
6 Avena barbata On roadside going to Makawao from Kahului Local patches Preserved_Specimen Hosaka, E.Y. 1708 Maui BISH 1937-01-20
7 Avena barbata Kula, Crater road heading to Haleakala, weed from yard of residence just before the road enters Haleakala Ranch Weed in yard, wet, sunny area Preserved_Specimen Five plants seen, panicle branches capillary. Only this one colony seen. Faccenda, K. 2809 Maui BISH 2022-10-27
8 Avena barbata S. Kohala, Waikii In grass plot Preserved_Specimen Occasional Hosaka, E.Y. 2522 Hawaii BISH 1940-05-16
9 Avena barbata Pohakuloa Training Area, Mauna Kea - Mauna Loa saddle, fenced unit by Cooper Airfield. Invasive dominated meadow area, fenced so relatively undisturbed. Dominated by invasive grasses, principally Nasella. Preserved_Specimen Locally common, over 100 plats in this area. Faccenda, K. 3596 Hawaii BISH 2024-07-10
10 Avena barbata Kanaio Maunalei Preserved_Specimen Munro, G.C. 671 Lanai BISH 1918-06-18
11 Avena barbata Diamond Head Along trail in Munro Arboretum Preserved_Specimen Herbst, D.R. 364 Oahu BISH 1967-03-20
12 Avena barbata Maunalei Road Preserved_Specimen Munro, G.C. 671 Lanai BISH 1918-06-18
13 Avena barbata Upper Kpapala Ranch Preserved_Specimen Whitney, L.D. 4108 Hawaii BISH 1936-04-01
14 Avena barbata Pohakuloa, Hamakua, S of Malahini Rd ash, level Preserved_Specimen 4-5-9 dm; paniculate inflorescence; sheaths glabrous, margins overlapping; ligule obtuse, erose-ciliate, blades flat Douglas, P. 3678 Hawaii BISH 1990-05-01
15 Avena barbata Honolulu District Diamond Head slopes, along path in arboretum Preserved_Specimen Herbst, D.R. 364 Oahu BISH 1967-03-20
16 Avena barbata Kanepuu Preserved_Specimen Munro, G.C. 308 Lanai BISH 1928-03-07
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