Agrostis stolonifera

L. (1753)

This name is accepted

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

creeping bentgrass, marsh bent, redtop bentgrass

Description

Key Characters:

Growth Form: Rhizomatous or stoloniferous perennials.

Stems: Culms (stems) decumbent, (3–)4–10(–13) dm long.

Roots: Fibrous root system.

Leaves: Leaves simple. Alternate. Blades linear, flat, folded, or involute, relatively wide, 2–5(–6) mm wide when opened. Apex acuminate. Surfaces scabrous. Margins entire. Veins parallel. Sheaths smooth, glabrous, persistent; ligule truncate to obtuse, 1.5–5(–3.5) mm long, erose–ciliolate, often lacerate. Stipules absent.

Flowers: Flowers in panicles (7–)10–18(–25) cm long, open, sometimes closing after anthesis, the branches scabrous, verticillate, ascending, floriferous from base. Glumes lanceolate, acute, rounded on the back, nerves scabrous, purplish, first glume 2–2.5 mm long, second glume 1.8–2.2(–2.5) mm long; lemma membranous, 1.4–1.8(–2.3) mm long, 3–5–nerved, awnless, callus minutely bearded; palea membranous, translucent, 0.7–1.5 mm long. Stamens 3. Ovary superior.

Fruit: Caryopsis pale brown to reddish brown; 0.5–0.8 mm long.

Ploidy: 2n = 28–30; 32; 35; 42; 44; 46

Habitat: Naturalized in disturbed places; especially in moist sites.

Elevation Range: 640–1680 m.

Historical Distribution

Synonyms (226)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Water/Ocean
Wind
Other Animals

Vegetative Reproduction

Pollinators

Specimens

Bibliography

Name Published In: Sp. Pl.: 62 (1753)

Other References

Wagner et al. 1990:1494 (K, O, Mo, M, H); Herbst & Clayton 1998:18 (KEY)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Agrostis stolonifera L. Mokolelau, S of Puu Kolekole; drop down NW slope (rappel). Elev. 890-940 m. PRESERVED_SPECIMEN K. R. Wood 2417 Molokai PTBG 2/23/1993
2 Agrostis stolonifera L. Puu Nianiau. Open areas. PRESERVED_SPECIMEN Forest Starr Starr-090130-01 Maui PTBG 1/30/2009
3 Agrostis stolonifera L. kukaiau ranch PRESERVED_SPECIMEN a. s. hitchcock 14231 Hawaii US 8/20/1916
4 Agrostis stolonifera L. waimea drainage basin, waineke paddock PRESERVED_SPECIMEN c. n. forbes 1018.k Maui US 7/3/1917
5 Agrostis stolonifera L. poholuu [or poholua] PRESERVED_SPECIMEN c. n. forbes 98.mo Molokai US
6 Agrostis stolonifera L. kukaiau ranch PRESERVED_SPECIMEN a. s. hitchcock 14216 Hawaii US 8/19/1916
7 Agrostis stolonifera L. kaupo trail, haleakala PRESERVED_SPECIMEN o. degener, ordonez & -- salucop 12487 Maui US 8/15/1939
8 Agrostis stolonifera L. summit of mount tantalus, honolulu PRESERVED_SPECIMEN a. s. hitchcock 13869 Oahu US 6/24/1916
9 Agrostis stolonifera L. puu nianiau Open areas PRESERVED_SPECIMEN f. starr & k. starr 090130-01 Maui US 1/30/2009
10 Agrostis stolonifera L. volcano PRESERVED_SPECIMEN o. degener & i. degener 33404 Hawaii US 5/23/1973
11 Agrostis stolonifera L. makahalau paddock, waimea, hamakua PRESERVED_SPECIMEN e. y. hosaka 2157 Hawaii US 6/2/1938
12 Agrostis stolonifera L. puu op PRESERVED_SPECIMEN r. goff 28 Hawaii US 7/13/1928
13 Agrostis stolonifera L. pohohea PRESERVED_SPECIMEN c. n. forbes 98.mo Molokai US
14 Agrostis stolonifera L. Alakahi Ditch Trail, Kohala, about 1 mile beyond the last rain gage (at end of road). Growing along trail. Assoc w/ introduced grasses. Near boggy - dwarf Metrosideros, Machaerina, etc. Common. PRESERVED_SPECIMEN Herbst, D.R. 222 Hawaii BISH 8/9/1966
15 Agrostis stolonifera L. Poholua PRESERVED_SPECIMEN Forbes, C.N. 98.Mo. Molokai BISH 6/1/1912
16 Agrostis stolonifera L. hawaii vol. natl. park between research center and exercise tract PRESERVED_SPECIMEN stemmermann, r.l. collector number: 7025 Hawaii BISH 10/23/1985
17 Agrostis stolonifera L. Below Cook's Mt. Cabin PRESERVED_SPECIMEN Whitney, L.D. 4442 Molokai BISH 9/6/1936
18 Agrostis stolonifera L. Hualalai, below Hainoa Crater, North Kona District Trailside grass growing in subalpine ecosystem with Sophora, Styphelia, and Deschampsia australis. PRESERVED_SPECIMEN Cuddihy, L.W. Collector Number: 676 Hawaii BISH 12/10/1980
19 Agrostis stolonifera L. Waimea, Hamakua. Makahalau Paddock Local patch PRESERVED_SPECIMEN Hosaka, E.Y. 2157 Hawaii BISH 6/2/1938
20 Agrostis stolonifera L. hualalai, below hainoa crater, north kona district PRESERVED_SPECIMEN cuddihy, l.w. collector number: 676 BISH 12/10/1980
21 Agrostis stolonifera L. U.S. Dept. Agr. on Hawaii and Maui PRESERVED_SPECIMEN s.n. Hawaii BISH 3/27/1905
22 Agrostis stolonifera L. summit of mt. tantalus PRESERVED_SPECIMEN hitchcock, a.s. collector number: 13869 Oahu BISH 6/1/1924
23 Agrostis stolonifera L. so. hawaii, hutchinson plantation Growing with Oreobolus and mosses in area dominated by shrubby Metrosideros and Machaerina. PRESERVED_SPECIMEN not on sheet collector number: s.n. Molokai BISH 8/18/1933
24 Agrostis stolonifera L. Parker Ranch, Puu Kapu Planted pasture PRESERVED_SPECIMEN Ewart III, G.R. 206 Hawaii BISH 6/2/1932
25 Agrostis stolonifera L. Summit of Mt. Tantalus PRESERVED_SPECIMEN Hitchcock, A.S. 13869 Oahu BISH 6/24/1916
26 Agrostis stolonifera L. So. Hawaii, Hutchinson Plantation PRESERVED_SPECIMEN Not on sheet s.n. Hawaii BISH 8/18/1933
27 Agrostis stolonifera L. Hawaii Vol. Natl. Park Between Research Center and Exercise Tract PRESERVED_SPECIMEN Stemmermann, R.L. 7025 Hawaii BISH 10/23/1985
28 Agrostis stolonifera L. Hualalai, below Hainoa Crater, North Kona District Trailside grass growing in subalpine ecosystem with Sophora, Styphelia, and Deschampsia australis. PRESERVED_SPECIMEN Cuddihy, L.W. 676 Hawaii BISH 12/10/1980
29 Agrostis stolonifera L. hanalei district, kokee state park, kaslalau lookout Dominant in grassland on arid dry hills on lava cliffs. PRESERVED_SPECIMEN flynn, t. kawakami, g. collector number: 6158 Maui BISH 5/22/1997
30 Agrostis stolonifera L. Puu Nianiau Naturalized. Open area. Growing with Pinus sp., Pennisetum clandestinum. PRESERVED_SPECIMEN Starr, F. 090130-01 Maui BISH 1/30/2009
31 Agrostis stolonifera L. Keauhou Ranch, Kau District, increment 3 Koa Reforestation area, common along fenceline growing with Pennisetum, Anthoxanthum, and Paspalum dilatatum. PRESERVED_SPECIMEN Cuddihy, L.W. State ESP team Collector Number: 133 Hawaii BISH 1/14/1980
32 Agrostis stolonifera L. Tantalus crater PRESERVED_SPECIMEN Skottsberg, C.J.F. s.n. Oahu BISH 8/7/1922
33 Agrostis stolonifera L. Waimea Drainage Basin, West Side. Waineke paddock PRESERVED_SPECIMEN Forbes, C.N. 1018.K Kauai BISH 7/3/1917
34 Agrostis stolonifera L. below cook's mt. cabin PRESERVED_SPECIMEN whitney, l.d. collector number: 4442 Molokai BISH 9/6/1936
35 Agrostis stolonifera L. u.s. dept. agr. on hawaii and maui PRESERVED_SPECIMEN collector number: s.n. Hawaii BISH 8/8/1913
36 Agrostis stolonifera L. makawao, hawaiian agricultural experiment station branch station Mesic, summer-dry forest. Associated with Metrosideros, Hillebrandia, Myrsine. PRESERVED_SPECIMEN hosaka, e.y. collector number: 2600 Kauai BISH 7/17/1941
37 Agrostis stolonifera L. Kahaluu Forest Reserve, along trail open places along trail. Assoc w/ metrosideros, Pipturus, Hedyotis. PRESERVED_SPECIMEN Herbst, D.R. 189 Hawaii BISH 8/6/1966
38 Agrostis stolonifera L. hawaii natl. park. park residence street Redtop PRESERVED_SPECIMEN fagerlund, g.o. mitchell, a.l. collector number: 668 Hawaii BISH 7/6/1943
39 Agrostis stolonifera L. puu nianiau Economic plants section by haul cane bridge over valley. PRESERVED_SPECIMEN starr, f. starr, k. collector number: starr-090130-01 Kauai BISH 1/30/2009
40 Agrostis stolonifera L. Hanalei District, Kokee State Park, Kaslalau Lookout Metrosideros dominated forest with Cheirodendron, Psychotria, Diplazium, Rubus, Coprosma, and Hedyotis. PRESERVED_SPECIMEN Flynn, T. 6158 Kauai BISH 5/22/1997
41 Agrostis stolonifera L. east maui, hana district, kaupo gap ca. 1-3/4 mi s of paliku cabins Forming solid patches, with Rubus, etc. PRESERVED_SPECIMEN henrickson, j.s. collector number: 3893 Maui BISH 7/16/1969
42 Agrostis stolonifera L. keauhou ranch, kau district.koa reforestation area, increment 3 Common along fenceline growing with Pennisetum, Anthoxanthum, and Paspalum dilatatum. PRESERVED_SPECIMEN cuddihy, l.w. esp team collector number: 133 Hawaii BISH 1/14/1980
43 Agrostis stolonifera L. Keauhou Ranch, Kau District, increment 3 Koa Reforestation area, common along fenceline growing with Pennisetum, Anthoxanthum, and Paspalum dilatatum. PRESERVED_SPECIMEN Cuddihy, L.W. 133 Hawaii BISH 1/14/1980
44 Agrostis stolonifera L. waimea, hamakua. makahalau paddock PRESERVED_SPECIMEN hosaka, e.y. collector number: 2157 Maui BISH 6/2/1938
45 Agrostis stolonifera L. Floor of gulch adjacent to Hosmer's Grove, West of Haleakala PRESERVED_SPECIMEN Herbst, D.R. 1337 Maui BISH 12/1/1968
46 Agrostis stolonifera L. Makawao, Hawaiian Agricultural Experiment Station Branch station Grass garden PRESERVED_SPECIMEN Hosaka, E.Y. 2600 Maui BISH 7/17/1941
47 Agrostis stolonifera L. Keauhou Ranch, Kau district.Koa reforestation area, increment 3 Common along fenceline growing with Pennisetum, Anthoxanthum, and Paspalum dilatatum. PRESERVED_SPECIMEN Cuddihy, L.W. 133 Hawaii BISH 1/14/1980
48 Agrostis stolonifera L. Waianae Mts., Mt. Kaala summit Occasional in disturbed places near Army installations. PRESERVED_SPECIMEN Hatheway, W.H. 339 Oahu BISH 9/10/1950
49 Agrostis stolonifera L. Hawaii Natl. Park. Park residence street Redtop PRESERVED_SPECIMEN Fagerlund, G.O. 668 Hawaii BISH 7/6/1943
50 Agrostis stolonifera L. poholua PRESERVED_SPECIMEN forbes, c.n. collector number: 98.mo. Molokai BISH 6/1/1912
51 Agrostis stolonifera L. East Maui, Hana District, Kaupo Gap ca. 1-3/4 mi S of Paliku Cabins Forming solid patches, with Rubus, etc. PRESERVED_SPECIMEN Henrickson, J.S. 3893 Maui BISH 7/16/1969
52 Agrostis stolonifera L. tantalus crater Metrosieros-Cheirodendron-Dicranopteris wet forest with Perrottetia sandwicensis, Diplazium sandwichianum, Gunnera, Dryopteris wallichiana, Pteris excelsa, Sadleria spp, Asplenium spp, Scaevola chamissoniana, Laborida hirtella, Astelia menziesiana, Cl PRESERVED_SPECIMEN skottsberg, c.j.f. collector number: s.n. Maui BISH 8/7/1922
53 Agrostis stolonifera L. Hanalei District, Kokee State Park, Kaslalau Lookout Metrosideros dominated forest with Cheirodendron, Psychotria, Diplazium, Rubus, Coprosma, and Hedyotis. PRESERVED_SPECIMEN Flynn, T. Kawakami, G. Collector Number: 6158 Kauai BISH 5/22/1997
54 Agrostis stolonifera L. parker ranch, puu kapu Planted pasture PRESERVED_SPECIMEN ewart iii, g.r. collector number: 206 Hawaii BISH 6/2/1932
55 Agrostis stolonifera L. keauhou ranch, kau district, increment 3 Koa Reforestation area, common along fenceline growing with Pennisetum, Anthoxanthum, and Paspalum dilatatum. PRESERVED_SPECIMEN cuddihy, l.w. state esp team collector number: 133 Hawaii BISH 1/14/1980
56 Agrostis stolonifera L. Just inside Bishop Estate gate. In overgrown grassy road. PRESERVED_SPECIMEN Herbst, D.R. 182 Hawaii BISH 8/6/1966
57 Agrostis stolonifera L. hualalai, below hainoa crater, north kona district Trailside grass growing in subalpine ecosystem with Sophora, Styphelia, and Deschampsia australis. PRESERVED_SPECIMEN cuddihy, l.w. collector number: 676 Hawaii BISH 12/10/1980
58 Agrostis stolonifera L. so. hawaii, hutchinson plantation PRESERVED_SPECIMEN not on sheet collector number: s.n. Hawaii BISH 8/18/1933
59 Agrostis stolonifera L. waianae mts., mt. kaala summit Occasional in disturbed places near Army installations. PRESERVED_SPECIMEN hatheway, w.h. miller, h.a.; morton, n. collector number: 339 Oahu BISH 9/10/1950
60 Agrostis stolonifera L. E. Maui, Waikamoi. Below Hosmer grove. Growing in open, grassy area. PRESERVED_SPECIMEN Hank Oppenheimer H100205 Maui PTBG 10/20/2002
61 Agrostis stolonifera L. floor of gulch adjacent to hosmer's grove, west of haleakala PRESERVED_SPECIMEN herbst, d.r. collector number: 1337 Maui BISH 12/1/1968
62 Agrostis stolonifera L. Keauhou Ranch, Kau district.Koa reforestation area, increment 3 Common along fenceline growing with Pennisetum, Anthoxanthum, and Paspalum dilatatum. PRESERVED_SPECIMEN Cuddihy, L.W. ESP team Collector Number: 133 Hawaii BISH 1/14/1980
63 Agrostis stolonifera L. Hanalilolilo Trail. In Metrosideros/Dicranopteris wet forest. PRESERVED_SPECIMEN Hank Oppenheimer H80827 Molokai PTBG 8/26/2008