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Digitaria henryi

Rendle (1904)

This name is accepted

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

Henry's crabgrass

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Mokupāpapa (Kure atoll) Naturalized
Kuaihelani (Midway Atoll) Potentially naturalizing
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Potentially naturalizing
Kaho'olawe Naturalized
Lalo (French Frigate Shoals) Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: J. Linn. Soc., Bot. 36: 323 (1904)

Other References

Wagner et al. 1990:1530 (Syn. D. henryi = D. ciliaris); Faccenda 2023c:102, 110 (RESURRECT, NEWNAT/Ku, Mi, FF, K, O, Mo, L, M, Ka, H, DESCR, KEY); Naomi Worcester pers. comm. 2025 (Ku†, 2001)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Digitaria henryi Mokolii Scattered patches, especially on the E end. Preserved_Specimen Starr, F. 5041960 Oahu BISH 2005-04-19
2 Digitaria henryi Koko Head, opposite the Koko Head Rifle Range Tuff sea cliffs, in solution basins, with Lipochaeta-Batis-Lycium community. Preserved_Specimen Prostrate, rooting at the nodes, culms to 25 cm. long. Forming dense mats. Nagata, K.M. 1229 Oahu BISH 1974-07-25
3 Digitaria henryi Top of Nuuanu Pali Common on earth ledges & talus. Preserved_Specimen Prostrate, slightly bluish green. Fosberg, F.R. 27085 Oahu BISH 1946-09-22
4 Digitaria henryi N of Kaahola Light House Growing on soil near ocean but not as near as the more salt resistant #21807. Preserved_Specimen Degener, O. 21808 Hawaii BISH 1952-02-08
5 Digitaria henryi Mokuleia Roadside. Preserved_Specimen Degener, O. 11082 Oahu BISH 1937-03-22
6 Digitaria henryi Maunaloa, 1.5 km E of intersection of Rt. 460 and Kalua Koi Rd Mowed roadside, sunny, rather dry area Preserved_Specimen Common in the vicinity of Maunaloa, but rarely seen in Ho'olehua Faccenda, K. 2909 Molokai BISH 2022-12-27
7 Digitaria henryi Oahu, Nu'uanu pali lookout, Konahuanui side of lookout. In grassy area at edge of concrete wall, sunny, moist. Preserved_Specimen Unusually wide leaves, in an unusually wet area for this species. Faccenda, K. 3416 Oahu BISH 2024-06-02
8 Digitaria henryi Haleakala Ranch. Pulehu Nui, just SW of Crater Rd. Occasional. Here and there, especially on summit and on north side. Preserved_Specimen Starr, F. 6042212 Maui BISH 2006-04-22
9 Digitaria henryi Mokeehia, Maui. In and near saddle between two peaks In and near saddle between two peaks. Also seen on a sheer area shelf. Preserved_Specimen Occasional. Starr, F. 5040419 Maui BISH 2005-04-04
10 Digitaria henryi East Maui, Hana District, Kalahu Point, PTBG Kahanu Garden Cultivated area around Pi`ilanihale Heiau in remnant Pandanus forest. Preserved_Specimen Weed. Flynn, T.W. 2480 Maui BISH 1987-10-20
11 Digitaria henryi Old Pali Hwy, windward side. in cracks in old pavement on road. Preserved_Specimen Herbst, D.R. 81 Oahu BISH 1966-04-24
12 Digitaria henryi Honolulu; Wilhelmina Rise, at foot of hill Lower haole koa zone. Preserved_Specimen Lawn grass. Egler, F.E. 3758 Oahu BISH 1937-03-24
13 Digitaria henryi Green Island. On beach near pier In a few open places throughout island. Preserved_Specimen Lamoureux, C.H. 2777 Kure Atoll BISH 1964-08-14
14 Digitaria henryi Lanai city, Dole Park frequently mowed grass in partial shade of cook pines; common around town, uncommon across the landscape but present in scattered populations Preserved_Specimen Faccenda, K. 3184 Lanai BISH 2023-06-22
15 Digitaria henryi Honolulu; Manoa Valley In lawn & edge of garden. Preserved_Specimen Weed. Fosberg, F.R. 14260 Oahu BISH 1937-07-27
16 Digitaria henryi ahupuaa of Halepuaa in the Puna District On the side of the road the transects the ahupua`a. The sides of the roads are moderately shaded by Psidium guajava. Preserved_Specimen The grass is locally common. Yoshida, L. 79.116 Hawaii BISH 1979-05-10
17 Digitaria henryi University of Hawaii campus Lawn. Preserved_Specimen Weed. Stone, B.C. 1241 Oahu BISH 1988-04-12
18 Digitaria henryi Koolaupoko District, ca. 3 mi N of old sugar mill chimney on Kamehameha Hwy, Kaoio Pt area On rd leading into ranch pastureland. Preserved_Specimen Forming a dense mat ca. 1 ft across. Herbst, D.R. 99 Oahu BISH 1966-05-22
19 Digitaria henryi Honolulu: Old Pali Rd, 1/4 mi from Pali Lookout In cracks along rd, found with Poa, mosses. Preserved_Specimen Prostrate, creeping grass. Ishikawa, S. 367 Oahu BISH 1973-12-28
20 Digitaria henryi Bishop Museum grounds Weed among decorative bananas. Preserved_Specimen Sprawling grass about 60- 70 cm tall; anthers white, ~ 1 mm. Stigmas dirty white. Gynoecium +/- obtrpezoid, rounded to truncate. By diagnostic characters, this comes close to D. radicosa, but the racemes are erect and +/- appressed, even in fruit. Veldkamp, J.F. Oahu BISH 2011-08-12
21 Digitaria henryi Pali Notches Lowland mesic shrubland. Growing with Plantago lanceolata, Stachytarpheta cayennensis, Bidens alba, Sida fallax, and Citharexylum. Abundant on mossy rock faces along most ledges and slopes. Preserved_Specimen Annual; culms prostrate, <10 cm. long; panicle branches clustered together. Ross, M.C. 1823 Oahu BISH 2022-09-22
22 Digitaria henryi Olinda, Makawao, Piiholo In pasture. Preserved_Specimen Hosaka, E.Y. 1774 Maui BISH 1937-01-30
23 Digitaria henryi Kalaupapa National Historical Park; Papapaiki; forest plot 1 Preserved_Specimen creeping grass Wysong, M.L. 582 Molokai BISH 2005-01-12
24 Digitaria henryi E central part of island, slope of Moaula Growing in bare soil of eroded slope in Andropogon pertusus grassland. Preserved_Specimen Low stoloniferous grass Cuddihy, L.W. 431 Kahoolawe BISH 1980-04-25
25 Digitaria henryi East Maui, Puhilele point in Kipahulu by Panicum exclosure. Preserved_Specimen Common name: southern crabgrass Welton, P. 1702 Maui BISH 1993-02-17
26 Digitaria henryi Mokulua South, Oahu on southeast slope Preserved_Specimen Rare. One patch on southeast slope. Starr, F. 5022322 Oahu BISH 2005-02-23
27 Digitaria henryi Lalakoa Preserved_Specimen Munro, G.C. 314 Lanai BISH 1928-04-13
28 Digitaria henryi Tern Islet; Along edges of runway Preserved_Specimen Herbst, D.R. 1211 French Frigate Shoals BISH 1968-08-31
29 Digitaria henryi Kalaupapa; Kauhako crater, SW zone Preserved_Specimen erect annual Wysong, M.L. 509 Molokai BISH 2004-12-07
30 Digitaria henryi Alau, Maui Preserved_Specimen Common. A real wide leaved variety. Starr, F. 5040518 Maui BISH 2005-04-05
31 Digitaria henryi Tern Islet; By the boat house, SW end of the island Preserved_Specimen Procumbent grass. Herbst, D.R. 6225 French Frigate Shoals BISH 1978-09-11
32 Digitaria henryi Mokupipi, Maui on S side Preserved_Specimen Occasional. A few scattered patches on the south side. Starr, F. 504056 Maui BISH 2005-04-05
33 Digitaria henryi PTBG, Lawai Valley Preserved_Specimen Prostrate mat-forming grass. Herbst, D.R. 2335 Kauai BISH 1972-01-26
34 Digitaria henryi Top of Mauna Loa Preserved_Specimen Whitney, L.D. 4228 Molokai BISH 1936-09-03
35 Digitaria henryi Keopuka, Maui Preserved_Specimen Occasional. Scattered patches. Starr, F. 5040535 Maui BISH 2005-04-05
36 Digitaria henryi Honolulu; Diamond Head, Terrace Preserved_Specimen Lawn grass. Munro, G.C. 61 Oahu BISH 1950-05-10
37 Digitaria henryi Located down Chain of Craters Rd about 23.3 mi toward Kalapana from intersection with Crater Rim Rd, 1.6 mi before Kamoamoa picnic area or 8 mi before Queens Bath. Plant was on ocean side (SE) of rd across from a rd pulloff (plot 30) Salt spray community Preserved_Specimen Newell, C.L. 104 Hawaii BISH 1966-07-20
38 Digitaria henryi Base of foot trail that leads up to Sacred Falls In grassland area at the base of the foot trail. Found above the sugarcane area. Preserved_Specimen Corn, C. Oahu BISH 1978-05-09
39 Digitaria henryi Kokokahi In waste land. Preserved_Specimen Whitney, L.D. 4012 Oahu BISH 1935-12-27
40 Digitaria henryi Hiku Preserved_Specimen Munro, G.C. 516 Maui BISH 1923-01-01
41 Digitaria henryi Honolulu; Manoa Valley, old Castle Home Preserved_Specimen Lawn grass. Egler, F.E. 37154 Oahu BISH 1937-05-25
42 Digitaria henryi In path to the Makapuu Light House Preserved_Specimen Wilbur, R.L. 490 Oahu BISH 1948-03-14
43 Digitaria henryi Mokuhooniki Near the summit. Preserved_Specimen Hobdy, R.W. 1149 Molokai BISH 1981-09-08
44 Digitaria henryi Puna Preserved_Specimen Stone, B.C. 3069 Hawaii BISH 1959-06-01
45 Digitaria henryi Mokulua (N Island), Lanikai Preserved_Specimen Herbst, D.R. 6002 Oahu BISH 1978-02-07
46 Digitaria henryi Honolulu; Manoa Rd Preserved_Specimen Whitney, L.D. 3884 Oahu BISH 1935-11-23
47 Digitaria henryi Kaemi Islet Preserved_Specimen Kepler, A.K. 66 Maui BISH 1982-06-18
48 Digitaria henryi Mokeehia Island, off Hakuhee Point, Kahakuloa, West Maui Preserved_Specimen Kepler, A.K. 23 Maui BISH 1981-07-19
49 Digitaria henryi Honolulu; Upper Manoa Valley Preserved_Specimen Whitney, L.D. 4032 Oahu BISH 1936-02-11
50 Digitaria henryi Green Island Preserved_Specimen Herbst, D.R. 6288 Kure Atoll BISH 1979-01-04
51 Digitaria henryi Kaemi Islet Preserved_Specimen Kepler, A.K. 57 Maui BISH 1982-06-18
52 Digitaria henryi Honolulu; E Manoa Rd Preserved_Specimen Swezey, O.H. Oahu BISH 1930-02-25
53 Digitaria henryi Off Lanikai Preserved_Specimen Neal, M.C. Oahu BISH 1939-04-09
54 Digitaria henryi Polihale Beach dune area Preserved_Specimen Corn, C. Kauai BISH 1977-09-24
55 Digitaria henryi Mokuaeae Preserved_Specimen Kridler, E. Kauai BISH 1979-02-27
56 Digitaria henryi Near the beach at Punluu Preserved_Specimen Whitney, L.D. 4195 Oahu BISH 1936-05-30
57 Digitaria henryi Honolulu; Upper Manoa Valley Preserved_Specimen Whitney, L.D. 4031 Oahu BISH 1936-02-11
58 Digitaria henryi W Maui, Hulu Island, Kahakuloa Preserved_Specimen Kepler, A.K. 44 Maui BISH 1981-08-20
59 Digitaria henryi Kanaio, Ulupalakua, Makawao Along trail in in open places in Lantana Pasture Preserved_Specimen Hosaka, E.Y. 1731 Maui BISH 1937-01-23
60 Digitaria henryi Located down Chain of Craters Rd about 25.9 mi toward Kalapana from intersection with Crater Rim Rd, 1.1 mi before Kamoamoa picnic area. Plant was 100 m WNW of highway pulloff. (plot 28) Dwarf shrub-Heteropogon savanna community. Preserved_Specimen Newell, C.L. 595 Hawaii BISH 1966-08-26
61 Digitaria henryi Kekaha In a private garden Preserved_Specimen Funk, E.J. 920033 Kauai BISH 1992-04-13
62 Digitaria henryi Wahiawa, Dole St Weedy area, moist, sunny Preserved_Specimen Small clump growing erect up to 40 cm, strange to see this species with spreading panicle branches Faccenda, K. 3048 Oahu BISH 2023-02-20
63 Digitaria henryi Located down Chain of Craters Rd about 23.3 mi toward Kalapana from intersection with Crater Rim Rd, 1.6 mi before Kamoamoa picnic area, or 8 mi before Queens Bath. On NW side of rd near a rd pulloff. (plot 29) Heteropogon grassland community. Preserved_Specimen Newell, C.L. 976 Hawaii BISH 1967-06-24
64 Digitaria henryi Anapuka, W Molokai Common on calcareous sand. Preserved_Specimen Prostrate. Fosberg, F.R. 29592 Molokai BISH 1948-02-22
65 Digitaria henryi Kava Bay, above dry stream Rocky bank under a large monkey pod tree with Hyptis pectinata, Panicum maximum & Tricachne insularis also grow nearby. Area rather weedy. Preserved_Specimen Funk, E.J. 112 Hawaii BISH 1990-04-23
66 Digitaria henryi Located down Chain of Craters Rd about 23.3 mi toward Kalapana from intersection with Crater Rim Rd, 1.6 mi before Kamoamoa picnic area, or 8 mi before Queens Bath. On ocean side (SE) of rd across from a fd pulloff. (Plot 30) Salt spray community. Preserved_Specimen Newell, C.L. 981 Hawaii BISH 1967-06-24
67 Digitaria henryi NE part of island betw Lua Makika & Lua Kealialuna Growing on hard pan in area with patches of vegetation such as Prosopis pallida & Andropogon pertusus. Preserved_Specimen Low stoloniferous grass Cuddihy, L.W. 397 Kahoolawe BISH 1980-04-24
68 Digitaria henryi Koolau Range, N of Waikane, Lae o ka Oio Near beach, on sand. Preserved_Specimen Egler, F.E. 3719 Oahu BISH 1937-05-31
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