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Sporobolus elongatus

R.Br. (1810)

This name is accepted

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

loose flower rattail, New Zealand timothy, rat tail grass

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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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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kuaihelani (Midway Atoll) Potentially naturalizing
Kaua'i Naturalized
O'ahu Naturalized
Molokai Potentially naturalizing
Lana'i Naturalized
Maui Potentially naturalizing
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Prodr. Fl. Nov. Holland.: 170 (1810)

Other References

Herbst & Clayton 1998:36 (NEWNAT/L? [as S. elongatus; single spm.], KEY, NEWNAT/H [as S. pyramidalis], KEY); Snow 2008:41 (O, H, S. pyramidalis misapplied = S. elongatus); Faccenda 2022:85 (Mi); Faccenda, Yorkston & Morden 2024:39, 46, 51 (ID confirmed via ITS sampling, K, Mo, EM, WM, KEY); Faccenda & Sprague 2024:148 (L nat. confirmed); Starr & Starr 2022b/Herbst 6380 BISH (Mi†, 1980)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Sporobolus elongatus ahupuaa of Halepuaa in the Puna District of Hawaii The grass was collected along the side of the dirt road that transects the ahupua'a. The grass is common along the side of the road. Preserved_Specimen 79.119 Hawaii BISH 1979-05-10
2 Sporobolus elongatus Kamoku Preserved_Specimen Munro, G.C. 533 Lanai BISH 1925-08-01
3 Sporobolus elongatus Honolulu; Pensacola Street Preserved_Specimen Whitney, L.D. 4040 Oahu BISH 1936-02-25
4 Sporobolus elongatus Honolulu; Corner of Victoria & Green Streets, Phillip's Commercial School Preserved_Specimen Illingworth, J.F. Oahu BISH 1936-07-01
5 Sporobolus elongatus Likelike St., Honolulu Preserved_Specimen Whitney, L.D. 4008 Oahu BISH 1935-12-28
6 Sporobolus elongatus U.S. Experimental Station Ground Preserved_Specimen Westgate, J.M. 32 Oahu BISH 1920-12-03
7 Sporobolus elongatus Beretania St. Honolulu Preserved_Specimen Whitney, L.D. 3881 Oahu BISH 1935-11-19
8 Sporobolus elongatus Honolulu; Kapiolani Park Preserved_Specimen Munro, G.C. 16 Oahu BISH 1950-03-01
9 Sporobolus elongatus Honolulu; Beretania Street Preserved_Specimen Whitney, L.D. 3881 Oahu BISH 1935-11-19
10 Sporobolus elongatus Near Waikiki Beach Preserved_Specimen Whitney, L.D. 4003 Oahu BISH 1935-12-27
11 Sporobolus elongatus Wilder Ave. Honolulu Preserved_Specimen Whitney, L.D. 4224 Oahu BISH 1936-08-09
12 Sporobolus elongatus Laie. Brigham Young University Campus Preserved_Specimen Vea, S. 10465 Oahu BISH 1977-04-11
13 Sporobolus elongatus Pensacola St., Honolulu Preserved_Specimen Whitney, L.D. 4040 Oahu BISH 1936-02-25
14 Sporobolus elongatus Pensacola St., Honolulu Preserved_Specimen Whitney, L.D. 4004 Oahu BISH 1935-12-27
15 Sporobolus elongatus Honolulu; Manoa Preserved_Specimen Swezey, O.H. Oahu BISH 1929-03-16
16 Sporobolus elongatus Maunaloa town, intersection of Maunaloa Rd. and N Wai'eli St In mowed lawns around town, rather dry, sunny areas Preserved_Specimen Uncommon in mowed lawns, < 10 plants seen. Inflorescence branches loose Faccenda, K. 2905 Molokai BISH 2022-12-26
17 Sporobolus elongatus Kamoku Preserved_Specimen Munro, G.C. 706 Lanai BISH 1925-08-01
18 Sporobolus elongatus Puna district, Nanawale Forest Reserve The plant was growing on a dirt road that runs through the forest reserve. Preserved_Specimen Yoshida, L. 79.005 Hawaii BISH 1979-02-12
19 Sporobolus elongatus ahupuaa of Halepuaa in the Puna District of Hawaii The grass was collected along the side of the dirt road that transects the ahupua'a. The grass is common along the side of the road. Paspalum spp. and Andropogon spp. are two of the dominant plants in the area. Preserved_Specimen Yoshida, L. 79.121 Hawaii BISH 1979-05-10
20 Sporobolus elongatus Laie Clay-loam soil Preserved_Specimen Beckham, N. 49 Oahu BISH 1967-04-15
21 Sporobolus elongatus Within Halepuaa Forest Reserve in the Puna District Common to disturbed areas. Preserved_Specimen An exotic grass. Clarke, G. 79.214 Hawaii BISH 1979-03-08
22 Sporobolus elongatus Waimanalo, Alaihi St at beach access area Sunny, dry, roadside area Preserved_Specimen Uncommon, with Cynodon dactylon Faccenda, K. 2693 Oahu BISH 2022-09-17
23 Sporobolus elongatus Koolaupoko District, ca. 3 miles north of old sugar mill chimney on Kamehameha Hwy., Kaoio Point area In sand-gravel driveway to a beach home. Preserved_Specimen Tufted. Herbst, D.R. 100 Oahu BISH 1966-05-22
24 Sporobolus elongatus Keomoku Rd, about 1 km N of Lanai city. Roadside, unmowed area with tall hebs, sunny, moist. Preserved_Specimen Uncommon, <20 plants seen. Faccenda, K. 3162 Lanai BISH 2023-06-20
25 Sporobolus elongatus Manele harbor. Edge of parking lot. WGS84 coordinates: Lat. 20.741425, Long. -156.889259 dry, sunny. About 40 plants in area. Preserved_Specimen Faccenda, K. 3140 Lanai BISH 2023-06-20
26 Sporobolus elongatus University of Hawai'i at Mānoa, behind St. John building From occasionally mowed grass along a sidewalk in unirrigated area in full sun Preserved_Specimen Inflorescence branches delicate and rather loosely apressed to the main axis Faccenda, K. 2850 Oahu BISH 2022-11-16
27 Sporobolus elongatus Ninini point road running along the edge of Lihue Airport Roadside weed, sunny, dry area Preserved_Specimen Common Faccenda, K. 2420 Kauai BISH 2022-05-29
28 Sporobolus elongatus Kohala, Pololu lookout. WGS coordinates: Lat. 20.206798, Long. -155.736321 Roadside near lookout, moist-dry, sunny area. Rare, one small patch of ca. 10 plants. Preserved_Specimen Faccenda, K. 3254 Hawaii BISH 2024-01-02
29 Sporobolus elongatus Honolulu; University of Hawaii Campus, Manoa Weed of construction site. Preserved_Specimen Herbst, D.R. 1367 Oahu BISH 1969-01-04
30 Sporobolus elongatus Lahaina, Lahaina Recreation Center off of Shaw St Mowed and irrigated grass field Preserved_Specimen Weed, uncommon, secondary panicle branches rather loose from the main axis Faccenda, K. 2734 Maui BISH 2022-10-22
31 Sporobolus elongatus Park where Ke'eaumoku St. crosses over the H1, S of the H1 In turf grass, sunny areas Preserved_Specimen Common Faccenda, K. 1803 Oahu BISH 2021-05-08
32 Sporobolus elongatus Nokukano Development Site makai of the belt rd in Capt. Cook, Hawaii Common along pasture roads near the wooded part of the site. Just makai of the kukui trees. Substrate is very rocky. Vegetation is mixed, introduced grasses and weeds. Preserved_Specimen Funk, E.J. Hawaii BISH 1991-11-01
33 Sporobolus elongatus Pahoa, Pahoa farmer's market. WGS84 coordinates: Lat. 19.536863, Long. -154.971840 Weed along pathway. Common Preserved_Specimen Faccenda, K. 3296 Hawaii BISH 2024-01-07
34 Sporobolus elongatus Visitor Center & main ruins, Puuhonua o Honaunau National Historic Park Predominantly exotic vegetation. Preserved_Specimen Higashino, P.K. 10298 Hawaii BISH 1984-04-08
35 Sporobolus elongatus Laie Sand soil Preserved_Specimen Low herb, light green. Green, J.M. 50 Oahu BISH 1967-05-05
36 Sporobolus elongatus Kaalualu Bay near South Point In a disturbed area. Found only once. Preserved_Specimen Grass with basal leaves & 0.5 m high flowering stalk. Whistler, W.A. 31 Hawaii BISH 1972-04-06
37 Sporobolus elongatus 28.5 mi down Chain of Craters Rd. towards Kalapana from intersection with Crater Rim Rd. or 0.2 mile before Queen's Bath. Plant ca 1/4 mile up Royal Estates Rd. not far from HVNP boundry (Plot 27) Mixed lowland scrub community. Preserved_Specimen Grass ca. 2 ft tall. Newell, C.L. 132 Hawaii BISH 1966-07-20
38 Sporobolus elongatus Halepuaa Forest Reserve in the Puna District An exotic common to disturbed areas. Preserved_Specimen Clarke, G. 79.214 Hawaii BISH 1979-03-08
39 Sporobolus elongatus Honoka'a, near police station. Roadside weed, sunny area Preserved_Specimen Relatively common Faccenda, K. 2347 Hawaii BISH 2022-03-06
40 Sporobolus elongatus Kaneohe, intersection of Keaahala Rd and Kahekili Hwy Infrequently mowed roadside, common in area Preserved_Specimen Inflorescence loose Faccenda, K. 2697 Oahu BISH 2022-09-20
41 Sporobolus elongatus Lanai City Naturalized on lawn. Preserved_Specimen Degener, O. 28539 Lanai BISH 1963-08-27
42 Sporobolus elongatus Manoa, Dole St. below Wa'ahila ridge, at faculty housing area Irrigated lawn area, partial sun, rather dry Preserved_Specimen Common throughout the UH campus, spike rather loose and thin Faccenda, K. 2692 Oahu BISH 2022-09-12
43 Sporobolus elongatus Paia, Holomua Rd, Old Maui High School, MISC Baseyard Weed in mowed lawn Preserved_Specimen Common, clump forming Faccenda, K. 2729 Maui BISH 2022-10-22
44 Sporobolus elongatus Puna, Ainaloa, Ohio Dr. & Ainaloa Dr. Sunny, moist, occasionally mowed roadside. Preserved_Specimen Uncommon Faccenda, K. 3577 Hawaii BISH 2024-07-08
45 Sporobolus elongatus Honolulu; University of Hawaii Campus In lawn, by edge of University Drive. Preserved_Specimen Stone, B.C. 1243 Oahu BISH 1956-04-12
46 Sporobolus elongatus Palehua (Waianai Mountains) Growing in abandoned introduction garden Preserved_Specimen Rotar, P. Oahu BISH 1965-07-01
47 Sporobolus elongatus Kalaheo; along Papalina Road near P.T.B.G. new headquarters Preserved_Specimen Common grass Flynn, T.W. 629 Kauai BISH 1983-10-31
48 Sporobolus elongatus Mokolii One small patch on S side. Preserved_Specimen Starr, F. 5041948 Oahu BISH 2005-04-19
49 Sporobolus elongatus Kahuku Ranch Preserved_Specimen Local patch Hosaka, E.Y. 3612 Hawaii BISH 1950-09-29
50 Sporobolus elongatus Ohikilolo ridge Dry, exposed, ridge Preserved_Specimen Faccenda, K. Oahu BISH 2022-05-01
51 Sporobolus elongatus Kona District; Land of Keauhou, ca. 10.3 miles above the low Kahaluu Forest Reserve gate Common clump grass growing along jeep road. Preserved_Specimen Herbst, D.R. 5416 Hawaii BISH 1975-07-15
52 Sporobolus elongatus Kohala Ditch Trail Preserved_Specimen Plant height 0.5 m Lee, H.A. 111 Hawaii BISH 1924-10-20
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