Cotula australis

(Sieber ex Spreng.) Hook.f. (1852)

This name is accepted

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

Australian brass buttons

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Description

Key Characters:

Growth Form:

Stems:

Roots: Roots fibrous.

Leaves: Leaves simple. Alternate or rarely opposite. Blades obovate or spatulate Apex acute. Base decurent (extending down the petiole). Margins bipinnately lobed, lobed, or pinnately lobed.

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

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

Dispersal Agents


Pollinators

Bibliography

Name Published In: Fl. Nov.-Zel. 1: 128 (1852)

Other References

Wagner et al. 1990:289 (O, EM, H); Lorence et al. 1995:23 (K); Oppenheimer 2003:6 (WM); Oppenheimer 2011:6 (L); Faccenda & Daehler 2024:34 (Mo)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Cotula australis Lanai City In soil pockets in creacks in parking lot, and neglecrd landscape areas. Preserved_Specimen Oppenheimer, H.L. 31006 Lanai BISH 2010-03-17
2 Cotula australis Waimea Canyon Road, Hunter check in Station ca. 10 km N of Waimea Mowed grass near check in station building, semi-moist, sunny area Preserved_Specimen Faccenda, K. 2456 Kauai BISH 2022-06-02
3 Cotula australis W Maui, Wailuku District, Kepaniwai Park Growing in park, common, with Calyptocarpus vialis and Erigeron bellioides. Preserved_Specimen Plants less than 10 cm tall; flws pale yellow. Oppenheimer, H.L. 110039 Maui BISH 2000-11-27
4 Cotula australis East Maui, Keokea District On sprayed road shoulder Preserved_Specimen A weed Hobdy, R.W. 2618 Maui BISH 1986-08-08
5 Cotula australis Manele Harbor, In newly landscaped area near parking lot In newly landscaped area near parking lot Preserved_Specimen Rare weed Oppenheimer, H.L. 40920 Lanai BISH 2009-04-16
6 Cotula australis Ho'olehua, intersection of Kolea Ave and Rt 480 Occasionally mowed roadside, dry, sunny Preserved_Specimen Many thousands of plants seen around Ho'olehua on roadsides with other annuals Faccenda, K. 2924 Molokai BISH 2022-12-27
7 Cotula australis Waimea, Kahilu Road, about 700 m from the Mana Road. Moist, sunny, mowed roadside Preserved_Specimen Uncommon Faccenda, K. 2318 Hawaii BISH 2022-03-05
8 Cotula australis Mahana, headwaters of Naio Gulch Growing in cindery ash soil on steep slope in Alien dominated forest Preserved_Specimen Herbs Oppenheimer, H.L. 41905 Lanai BISH 2019-04-03
9 Cotula australis North of Pulehu Gulch, Upper Kula Road, near junction with Haleakala highway On a pile of crushed rock. Rare; only one seen. Preserved_Specimen Spreading, disk yellowish. Fosberg, F.R. 55465 Maui BISH 1974-04-15
10 Cotula australis West Maui, Lahaina District, Launiupoko State Park, near sea level growing in landscaped area with other weeds. Preserved_Specimen Oppenheimer, H.L. 20302 Maui BISH 2003-02-17
11 Cotula australis Mapulehu, mauka of hwy near Iliiliopae Heiau Growing in overgrown weedy unpaved rd Preserved_Specimen Oppenheimer, H.L. 82403 Molokai BISH 2024-08-10
12 Cotula australis Waimea, Kamuela. Along roadways. Preserved_Specimen Uncommon. Nagata, K.M. 4092 Hawaii BISH 1990-04-05
13 Cotula australis Puu Kapele Shade of Naio tree Preserved_Specimen Fls. yellow-green Fagerlund, G.O. 517 Hawaii BISH 1943-04-14
14 Cotula australis Waimea District, Kokee State Park. Parking area around Kokee Lodge and Museum Preserved_Specimen Leaves medium green; phyllaries green with white scarious margin; corolla whitish-green; stigma and anthers yellow-green. Prostrate herb forming dense mats. Flynn, T.W. 4441 Kauai BISH 1991-02-22
15 Cotula australis East Maui, Polipoli State Park OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
16 Cotula australis Hawaii County, HI, USA OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
17 Cotula australis Waikii, home of Nick Agorastor parents, in flower bed Preserved_Specimen Annual herb, sparsely pubescent, leaves 1-3 cm., 1-2 times pinnately lobed, lobes linear, corolla yellow. Perlman, S. 17828 Hawaii BISH 2001-12-18
18 Cotula australis West Maui, Lahaina District, Launiupoko State Park, near sea level OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
19 Cotula australis Honolulu Zoo, Kapahulu Ave. In lawn fronting Service entrance Semi-shaded area under Murraya paniculata hedge; on compacted soil. Prostrate herb. Preserved_Specimen Char, W.P. 83.014 Oahu BISH 1983-02-08
20 Cotula australis Lanai City In soil pockets in creacks in parking lot, and neglecrd landscape areas. Preserved_Specimen Oppenheimer, H.L. 31006 Lanai BISH 2010-03-17
21 Cotula australis Waimea Canyon Road, Hunter check in Station ca. 10 km N of Waimea Mowed grass near check in station building, semi-moist, sunny area Preserved_Specimen Faccenda, K. 2456 Kauai BISH 2022-06-02
22 Cotula australis W Maui, Wailuku District, Kepaniwai Park Growing in park, common, with Calyptocarpus vialis and Erigeron bellioides. Preserved_Specimen Plants less than 10 cm tall; flws pale yellow. Oppenheimer, H.L. 110039 Maui BISH 2000-11-27
23 Cotula australis East Maui, Keokea District On sprayed road shoulder Preserved_Specimen A weed Hobdy, R.W. 2618 Maui BISH 1986-08-08
24 Cotula australis Manele Harbor, In newly landscaped area near parking lot In newly landscaped area near parking lot Preserved_Specimen Rare weed Oppenheimer, H.L. 40920 Lanai BISH 2009-04-16
25 Cotula australis Ho'olehua, intersection of Kolea Ave and Rt 480 Occasionally mowed roadside, dry, sunny Preserved_Specimen Many thousands of plants seen around Ho'olehua on roadsides with other annuals Faccenda, K. 2924 Molokai BISH 2022-12-27
26 Cotula australis Waimea, Kahilu Road, about 700 m from the Mana Road. Moist, sunny, mowed roadside Preserved_Specimen Uncommon Faccenda, K. 2318 Hawaii BISH 2022-03-05
27 Cotula australis Mahana, headwaters of Naio Gulch Growing in cindery ash soil on steep slope in Alien dominated forest Preserved_Specimen Herbs Oppenheimer, H.L. 41905 Lanai BISH 2019-04-03
28 Cotula australis North of Pulehu Gulch, Upper Kula Road, near junction with Haleakala highway On a pile of crushed rock. Rare; only one seen. Preserved_Specimen Spreading, disk yellowish. Fosberg, F.R. 55465 Maui BISH 1974-04-15
29 Cotula australis West Maui, Lahaina District, Launiupoko State Park, near sea level growing in landscaped area with other weeds. Preserved_Specimen Oppenheimer, H.L. 20302 Maui BISH 2003-02-17
30 Cotula australis Mapulehu, mauka of hwy near Iliiliopae Heiau Growing in overgrown weedy unpaved rd Preserved_Specimen Oppenheimer, H.L. 82403 Molokai BISH 2024-08-10
31 Cotula australis Waimea, Kamuela. Along roadways. Preserved_Specimen Uncommon. Nagata, K.M. 4092 Hawaii BISH 1990-04-05
32 Cotula australis Puu Kapele Shade of Naio tree Preserved_Specimen Fls. yellow-green Fagerlund, G.O. 517 Hawaii BISH 1943-04-14
33 Cotula australis Waimea District, Kokee State Park. Parking area around Kokee Lodge and Museum Preserved_Specimen Leaves medium green; phyllaries green with white scarious margin; corolla whitish-green; stigma and anthers yellow-green. Prostrate herb forming dense mats. Flynn, T.W. 4441 Kauai BISH 1991-02-22
34 Cotula australis East Maui, Polipoli State Park OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
35 Cotula australis Hawaii County, HI, USA OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
36 Cotula australis Waikii, home of Nick Agorastor parents, in flower bed Preserved_Specimen Annual herb, sparsely pubescent, leaves 1-3 cm., 1-2 times pinnately lobed, lobes linear, corolla yellow. Perlman, S. 17828 Hawaii BISH 2001-12-18
37 Cotula australis West Maui, Lahaina District, Launiupoko State Park, near sea level OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
38 Cotula australis Honolulu Zoo, Kapahulu Ave. In lawn fronting Service entrance Semi-shaded area under Murraya paniculata hedge; on compacted soil. Prostrate herb. Preserved_Specimen Char, W.P. 83.014 Oahu BISH 1983-02-08
39 Cotula australis Lanai City In soil pockets in creacks in parking lot, and neglecrd landscape areas. Preserved_Specimen Oppenheimer, H.L. 31006 Lanai BISH 2010-03-17
40 Cotula australis Waimea Canyon Road, Hunter check in Station ca. 10 km N of Waimea Mowed grass near check in station building, semi-moist, sunny area Preserved_Specimen Faccenda, K. 2456 Kauai BISH 2022-06-02
41 Cotula australis W Maui, Wailuku District, Kepaniwai Park Growing in park, common, with Calyptocarpus vialis and Erigeron bellioides. Preserved_Specimen Plants less than 10 cm tall; flws pale yellow. Oppenheimer, H.L. 110039 Maui BISH 2000-11-27
42 Cotula australis East Maui, Keokea District On sprayed road shoulder Preserved_Specimen A weed Hobdy, R.W. 2618 Maui BISH 1986-08-08
43 Cotula australis Manele Harbor, In newly landscaped area near parking lot In newly landscaped area near parking lot Preserved_Specimen Rare weed Oppenheimer, H.L. 40920 Lanai BISH 2009-04-16
44 Cotula australis Ho'olehua, intersection of Kolea Ave and Rt 480 Occasionally mowed roadside, dry, sunny Preserved_Specimen Many thousands of plants seen around Ho'olehua on roadsides with other annuals Faccenda, K. 2924 Molokai BISH 2022-12-27
45 Cotula australis Waimea, Kahilu Road, about 700 m from the Mana Road. Moist, sunny, mowed roadside Preserved_Specimen Uncommon Faccenda, K. 2318 Hawaii BISH 2022-03-05
46 Cotula australis Mahana, headwaters of Naio Gulch Growing in cindery ash soil on steep slope in Alien dominated forest Preserved_Specimen Herbs Oppenheimer, H.L. 41905 Lanai BISH 2019-04-03
47 Cotula australis North of Pulehu Gulch, Upper Kula Road, near junction with Haleakala highway On a pile of crushed rock. Rare; only one seen. Preserved_Specimen Spreading, disk yellowish. Fosberg, F.R. 55465 Maui BISH 1974-04-15
48 Cotula australis West Maui, Lahaina District, Launiupoko State Park, near sea level growing in landscaped area with other weeds. Preserved_Specimen Oppenheimer, H.L. 20302 Maui BISH 2003-02-17
49 Cotula australis Mapulehu, mauka of hwy near Iliiliopae Heiau Growing in overgrown weedy unpaved rd Preserved_Specimen Oppenheimer, H.L. 82403 Molokai BISH 2024-08-10
50 Cotula australis Waimea, Kamuela. Along roadways. Preserved_Specimen Uncommon. Nagata, K.M. 4092 Hawaii BISH 1990-04-05
51 Cotula australis Puu Kapele Shade of Naio tree Preserved_Specimen Fls. yellow-green Fagerlund, G.O. 517 Hawaii BISH 1943-04-14
52 Cotula australis Waimea District, Kokee State Park. Parking area around Kokee Lodge and Museum Preserved_Specimen Leaves medium green; phyllaries green with white scarious margin; corolla whitish-green; stigma and anthers yellow-green. Prostrate herb forming dense mats. Flynn, T.W. 4441 Kauai BISH 1991-02-22
53 Cotula australis East Maui, Polipoli State Park OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
54 Cotula australis Hawaii County, HI, USA OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
55 Cotula australis Waikii, home of Nick Agorastor parents, in flower bed Preserved_Specimen Annual herb, sparsely pubescent, leaves 1-3 cm., 1-2 times pinnately lobed, lobes linear, corolla yellow. Perlman, S. 17828 Hawaii BISH 2001-12-18
56 Cotula australis West Maui, Lahaina District, Launiupoko State Park, near sea level OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
57 Cotula australis Honolulu Zoo, Kapahulu Ave. In lawn fronting Service entrance Semi-shaded area under Murraya paniculata hedge; on compacted soil. Prostrate herb. Preserved_Specimen Char, W.P. 83.014 Oahu BISH 1983-02-08