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Panicum repens

L. (1762)

This name is accepted

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

quack grass, torpedo grass, Wainaku grass

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Bibliography

Name Published In: Sp. Pl. ed. 2: 87 (1762)

Other References

Wagner et al. 1990:1571 (O, L, H); Starr et al. 2002:23 (EM); Faccenda 2023c:127 (Mo)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Panicum repens Rt 450, c.a. 7 km W of 'Ualapu'e Roadside weed in wet, sunny area Preserved_Specimen Colony about 5 m long along the road, from moist ditch and not seen in drier areas in this location. Rhizomatous Faccenda, K. 2966 Molokai BISH 2022-12-29
2 Panicum repens Hilo Along roadside. Preserved_Specimen Swezey, O.H. Hawaii BISH 1929-10-16
3 Panicum repens 4 miles past Hongo Store towards Hilo on Kona-Hilo Highway and ca. 200 meters down Fern Estates Road, on right side. (Plot 55) Metrosideros-Dicranopteris-Andropogon scrub forest community Preserved_Specimen Grass ca. 2.5 ft. tall. Newell, C.L. 669 Hawaii BISH 1966-08-31
4 Panicum repens Waianae Mts, Mount Kaala summit Roadside vegetation. Preserved_Specimen Kawelo, K. 27 Oahu BISH 2005-11-17
5 Panicum repens Rt 450, c.a. 4 km W of 'Ualapu'e Roadside weed from rather dry, sunny area Preserved_Specimen Large colonies present in this area extending over 20m along the road. Strongly rhizomatous grass with bluish leaves. Surprising to see this growing in this dry of a habitat as I'm used to seeing it in moister, cooler areas, not on the coastal plain on th Faccenda, K. 2959 Molokai BISH 2022-12-29
6 Panicum repens Haiku, Awalua Rd, near end of road Edge of pasture, growing from the fence bounding the pasture Preserved_Specimen Strongly rhizomatous grass, leaves bluish green. This was the only time this species was observed during my survey of Maui Faccenda, K. 2842 Maui BISH 2022-10-30
7 Panicum repens Lanai city, 5th St. and Lanai Ave. Frequently mowed turf gras in front of residence. Only seen at this one house. Preserved_Specimen Faccenda, K. 3198 Lanai BISH 2023-06-23
8 Panicum repens Honokaa, Tex's Drive-Inn. Growing around parking lot. Preserved_Specimen Culms upright to 12 inches tall; strongly rhizomatous. Nagata, K.M. 4121 Hawaii BISH 1990-12-01
9 Panicum repens Keauhou Ranch, Kau District, on the Keamoku lava flow at the edge of Kipuka Kekake Growing in aa substrate under a Metrosideros tree Preserved_Specimen Patch of stoloniferous grass Cuddihy, L.W. 576 Hawaii BISH 1980-09-24
10 Panicum repens Volcano, Wright Rd. about 4 km mauka of the Belt Road Roadside, very wet area from ditch Preserved_Specimen Common to abundant weed, leaves blueish glaucous Faccenda, K. 2640 Hawaii BISH 2022-08-13
11 Panicum repens Mt. Ka'ala, summit, along road at edge of bog near Radar Station Very wet, sunny area Preserved_Specimen Dominant in area. Patch ca 30m across, around 30-60cm tall. Strongly rhizomatous Faccenda, K. 2110 Oahu BISH 2021-09-05
12 Panicum repens Kawainui Marsh, garden by parking lot Weed in cultivated flower bed Preserved_Specimen Rhizomatous grass, clump ca. 3 m wide. Faccenda, K. 2191 Oahu BISH 2022-01-09
13 Panicum repens Hilo Along roadside. Preserved_Specimen Swezey, O.H. Hawaii BISH 1929-10-16
14 Panicum repens 4 miles past Hongo Store towards Hilo on Kona-Hilo Highway and ca. 200 meters down Fern Estates Road, on right side. (Plot 55) Metrosideros-Dicranopteris-Andropogon scrub forest community Preserved_Specimen Grass ca. 2.5 ft. tall. Newell, C.L. 667 Hawaii BISH 1966-08-31
15 Panicum repens Hawaii National Park warehouse Dense spreading patch along roadside.road. Preserved_Specimen Fagerlund, G.O. 857 Hawaii BISH 1943-12-04
16 Panicum repens Honolulu, Manoa Valley Community Garden Growing in and around the community garden Preserved_Specimen Perennial; rhizomatous; culms erect, ca 20-25 cm tall Ross, M.C. 2087 Oahu BISH 2025-01-20
17 Panicum repens East Maui, Kihei, Lipoa Naturalized in the Lipoa area near the ocean and in moist areas. Preserved_Specimen Starr, F. 9809271 Maui BISH 1998-09-27
18 Panicum repens Naalehu, Kahuku Pasture Preserved_Specimen Doing well in pasture, grazed well Glover, J.W. Hawaii BISH
19 Panicum repens Piihonua Hill, Hilo Wet roadside Preserved_Specimen Abundant Hosaka, E.Y. 1382 Hawaii BISH 1936-06-28
20 Panicum repens Hilo Fields & waste places. Preserved_Specimen Degener, O. 32800 Hawaii BISH 1920-08-20
21 Panicum repens Pepeeokeo Common decumbent grass of cane field road. Preserved_Specimen Herbst, D.R. 5155 Hawaii BISH 1975-01-15
22 Panicum repens Hilo, Piihonua Hill Abundant on wet roadside. Preserved_Specimen Hosaka, E.Y. 1382 Hawaii BISH 1936-06-28
23 Panicum repens Hilo; Veterans Cemetery Occasional in vacant field adjacent to cemetery. Preserved_Specimen Sprawling herb. Nagata, K.M. 4431 Hawaii BISH 1996-07-23
24 Panicum repens Waiakea Roadside Preserved_Specimen Plant height 0.25 m. Dense mat. Lee, H.A. 157 Hawaii BISH 1926-03-01
25 Panicum repens Waiakea Roadside Preserved_Specimen Plant height 0.25 m. Dense mat. Lee, H.A. 157 Hawaii BISH 1926-03-01
26 Panicum repens Kahuku Training Area, Oio Gulch. Gravel pile by NIKE site, RS-KTA-01. Preserved_Specimen Naturalized. Cloward, K. 475 Oahu BISH 2018-01-30
27 Panicum repens Keauhou Ranch, Kau District, on Keamoku lava flow at edge of Kipuka Kekake Growing in `a`a substrate under Metrosideros tree. Preserved_Specimen One patch of stoloniferous grass. Height 1 1/2'. Cuddihy, L.W. 576 Hawaii BISH 1980-09-24
28 Panicum repens Hamakua District, Kukuihaele quad, Waipio Valley Common rhizomatous grass in standing water and on banks of operating taro lo'i, along with Myriophyllum, Commelina diffusa, Ludwigia octovalvis, Eichhornia crassipes. Preserved_Specimen Imada, C. 200111 Hawaii BISH 2001-03-13
29 Panicum repens Mount Kaala, Waianae Mts., Oahu, Hawaii Growing along the edge of the road and the helicopter pad at the top of Mount Kaala. Preserved_Specimen Upright grass with running rhizomes. Crago, L.M. 2005240 Oahu BISH 2005-11-22
30 Panicum repens Schofield Barracks East Range Roadside vegetation. Preserved_Specimen Kawelo, K. Oahu BISH 2003-10-01
31 Panicum repens 4 miles past Hongo Store towards Hilo on Kona-Hilo Highway and ca. 200 meters down Fern Estates Road, on right side. (Plot 55) Metrosideros-Dicranopteris-Andropogon scrub forest community Preserved_Specimen Grass ca. 2.5 ft. tall. Newell, C.L. 666 Hawaii BISH 1966-08-31
32 Panicum repens Hilo Open ground along street. Preserved_Specimen Hitchcock, A.S. 14145 Hawaii BISH 1916-08-17
33 Panicum repens near Hilo Preserved_Specimen Student at University of Hawaii 290 Hawaii BISH 1926-06-01
34 Panicum repens Manoa Campus [University of Hawaii], Gilmore Hall Preserved_Specimen decmbent, to +/- 3 ft culms. Deep rhizomes. Herbst, D.R. 1266 Oahu BISH 1968-11-09
35 Panicum repens Hilo Open ground along street. Preserved_Specimen Hitchcock, A.S. 14145 Hawaii BISH 1916-08-17
36 Panicum repens Huehue Preserved_Specimen Meebold, A. Hawaii BISH 1932-05-01
37 Panicum repens Waiahole River, near Hilo Preserved_Specimen Judd Jr., A.F. 17 Hawaii BISH 1925-08-29
38 Panicum repens Kaiholenaliilii Preserved_Specimen Munro, G.C. 432 Lanai BISH 1929-08-10
39 Panicum repens Kaa, Kanepuu Preserved_Specimen Munro, G.C. 570 Lanai BISH 1929-12-31
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