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Pteridium aquilinum subsp. decompositum

(Gaudich.) Lamoureux ex J.A.Thomson (2004)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Polypodiales Family: Dennstaedtiaceae Genus: Pteridium

bracken fern, kīlau [kilau], kīlau a pueo, kīlau pueo, pa‘i, pai‘ā

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Sori:

Gametophyte:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic
Molokai Endemic
Lana'i Endemic
Maui Endemic
Hawai'i Endemic

Dispersal Agents


Bibliography

Name Published In: Telopea 10(4): 800 (2004)

Other References

Palmer 2003:224 (K, O, Mo, L, M, H [as var. decompositum]); Thomson 2004:800 (Syn. P. a. var. decompositum = P. a. subsp. decompositum)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, ridge E of Kaupo Gap Vegetation: Acacia, Hypochoeris, and Styphelia. Preserved_Specimen Higashino, P.K. 2420 Maui BISH 1976-06-30
2 Pteridium aquilinum subsp. decompositum Haleakala, growing on the side of the road approx. 2 miles up Growing with grasses and moss and other ferns. Preserved_Specimen Tanabe, L. 60 Maui BISH 1961-01-02
3 Pteridium aquilinum subsp. decompositum near Hilo Forest. Preserved_Specimen Newell, Brother M. Hawaii BISH 1910-01-01
4 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Ridge E of Kaupo Gap, Kipahulu Forest Reserve Vegetation: Holcus, Acacia, Hypochoeris and Styphelia. Preserved_Specimen Higashino, P.K. 2615 Maui BISH 1976-07-01
5 Pteridium aquilinum subsp. decompositum East Maui, Kipahulu Forest Reserve, Healani Stream area Vegetation: Metrosideros, Styphelia, Vaccinium, Sadleria and Deschampsia. Preserved_Specimen Higashino, P.K. 1650 Maui BISH 1976-06-10
6 Pteridium aquilinum subsp. decompositum Kau, middle Moaula Camp; Pahala Dry shaded open fields. Preserved_Specimen Russ, G.W. 74 Hawaii BISH 1927-06-01
7 Pteridium aquilinum subsp. decompositum Kuhiwa-Kipahulu divide In scrub grasslands on divide. Preserved_Specimen St.John, H. 21093 Maui BISH 1945-08-20
8 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Ridge E of Kaupo Gap, Kipahulu Forest Reserve Vegetation: Acacia, Styphelia and exotic plants. Preserved_Specimen Higashino, P.K. 2310 Maui BISH 1976-06-29
9 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, ridge E of Kaupo Gap Vegetation: Acacia, Dodonaea and Styphelia. Preserved_Specimen Higashino, P.K. Maui BISH 1976-06-29
10 Pteridium aquilinum subsp. decompositum Mt. Kalena, Waianae Metrosideros forest Preserved_Specimen Grant, M.L. 7392 Oahu BISH 1934-09-30
11 Pteridium aquilinum subsp. decompositum Haleakala Crater, foot of cliffs inside S rim Talus slopes. Preserved_Specimen Fosberg, F.R. 9943 Maui BISH 1933-08-22
12 Pteridium aquilinum subsp. decompositum ridge W of Awenui Gulch, below Puu Manawahua, Waianae Mts., Honouliuli dry eroded Preserved_Specimen Fosberg, F.R. 13810 Oahu BISH 1937-05-02
13 Pteridium aquilinum subsp. decompositum Olinda-Makawao, in region of Olinda housing development On grass covered slope. Preserved_Specimen Wilson, K.A. 68 Maui BISH 1951-12-25
14 Pteridium aquilinum subsp. decompositum Kanepuu, near Dry open, sparsely, grassy drift soil. Preserved_Specimen Fosberg, F.R. 12546 Lanai BISH 1935-12-01
15 Pteridium aquilinum subsp. decompositum Kau District: Hawaii Volcanoes National Park: Along the trail leading from Hilina Pali shelter to Kipuka Pepeiou In open area. Common. Preserved_Specimen Herat, T. 789 Hawaii BISH 1974-06-27
16 Pteridium aquilinum subsp. decompositum East Maui, Ridge east of Kaupo Gap; Kipahulu Forest Reserve Vegetation: Acacia, Dodonaea and Styphelia. Preserved_Specimen Higashino, P.K. 2371 Maui BISH 1976-06-29
17 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, ridge E of Kaupo Gap Vegetation: Sadleria, grass community and Styphelia. Preserved_Specimen Higashino, P.K. 2453 Maui BISH 1976-06-30
18 Pteridium aquilinum subsp. decompositum Bird Park Dry slope. Preserved_Specimen Morley, H. Hawaii BISH 1934-08-11
19 Pteridium aquilinum subsp. decompositum Makakupaia; Kamiloloa Trail; Forest Reserve boundary Burned over area covered with Pinus. Terrestrial. Preserved_Specimen Wilson, K.A. 1566 Molokai BISH 1989-03-03
20 Pteridium aquilinum subsp. decompositum Aiea Loop Trail, Keaiwa Heiau, Koolau Mts on bank in full sun Preserved_Specimen Yee, R.S.N. 1 Oahu BISH 1971-08-12
21 Pteridium aquilinum subsp. decompositum East Maui, Ridge east of Kaupo Gap; Kipahulu Forest Reserve Vegetation: Acacia, Dodonaea and Styphelia. Preserved_Specimen Higashino, P.K. 2421 Maui BISH 1976-06-29
22 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Haleakala National Park, along the upper portion of Healani Stream Vegetation: Athyrium, Dryopteris, Astelia, Cheirodendron and Metrosideros. Preserved_Specimen Higashino, P.K. 5050 Maui BISH 1977-07-26
23 Pteridium aquilinum subsp. decompositum Pohakea Pass, Waianae Mts., Honouliuli dry ridge Preserved_Specimen Fosberg, F.R. 9478 Oahu BISH 1933-05-12
24 Pteridium aquilinum subsp. decompositum East Maui, Kipahulu Forest Reserve, ridge east of Kaupo Gap. Vegetation: Holcus, Acacia, Hypochoeris, and Styphelia. Preserved_Specimen Higashino, P.K. 2641 Maui BISH 1976-07-01
25 Pteridium aquilinum subsp. decompositum Paunau-Kuhua divide Rare, open woods. Preserved_Specimen St.John, H. 17700 Maui BISH 1936-12-19
26 Pteridium aquilinum subsp. decompositum East Maui, ridge E of Kaupo gap, Kipahulu FR Acacia, Styphelia, exotics Preserved_Specimen Higashino, P.K. Maui BISH 1976-06-29
27 Pteridium aquilinum subsp. decompositum Aiea Loop Trail, Keaiwa Heiau, Koolau Mts side of bank, full sun Preserved_Specimen Yee, R.S.N. 3 Oahu BISH 1971-08-12
28 Pteridium aquilinum subsp. decompositum Oahu grassy Preserved_Specimen Judd, J.R. 48 Oahu BISH 1888-01-01
29 Pteridium aquilinum subsp. decompositum East Maui,ridge E of Kaupo gap, Kipahulu FR grass, Styphelia Preserved_Specimen Higashino, P.K. 2537 Maui BISH 1976-06-30
30 Pteridium aquilinum subsp. decompositum E ridge of 2nd gulch E of Puu Kaupakuhale, Mokuleia, Kamananui, Puu Kaala, Waianae Mts dry thicket Preserved_Specimen St.John, H. 12176 Oahu BISH 1932-10-23
31 Pteridium aquilinum subsp. decompositum ridge above Kupehau, Waianae Mts., Honouliuli dry, open Preserved_Specimen Fosberg, F.R. 10987 Oahu BISH 1935-06-30
32 Pteridium aquilinum subsp. decompositum E of Mapulehu Valley sloping plateau, open brushy Preserved_Specimen Fosberg, F.R. 13507 Molokai BISH 1936-12-29
33 Pteridium aquilinum subsp. decompositum North Hilo District: along the Saddle Road (Hwy. 200) near mile marker 23, west of Hilo Barren `a`a lava flow. Preserved_Specimen Lammers, T.G. 5445 Hawaii BISH 1983-09-05
34 Pteridium aquilinum subsp. decompositum Hawaii Loa ridge, Southeastern Koolau mountains. Dry shrubland dominated by Osteomeles, Metrosideros, Hypperhenia, Bidens, Psydrax, Diospyros, Euphorbia, Acacia, and others. Preserved_Specimen Thomas, M.K. 261 Oahu BISH 2022-02-10
35 Pteridium aquilinum subsp. decompositum Laaukahi, Koloa open forest Preserved_Specimen St.John, H. 13446 Kauai BISH 1933-12-22
36 Pteridium aquilinum subsp. decompositum NE outer slope of Haleakala, 1.25 miles NNE of Paliku Cabins Common on rocky outcrops in extensive Deschampsia grasslands with Vaccinium, Styphelia, Polypodium pellucidum, etc. Preserved_Specimen Henrickson, J.S. 3622 Maui BISH 1969-06-21
37 Pteridium aquilinum subsp. decompositum Halemano, Wahiawa wet pineapple field Preserved_Specimen Hosaka, E.Y. 406 Oahu BISH 1931-06-07
38 Pteridium aquilinum subsp. decompositum Kipapa Trail, finger on S side wet lowland forest; Metrosideros, Acacia, Dicranopteris Preserved_Specimen Reynolds, L.S. 149 Oahu BISH 2006-06-21
39 Pteridium aquilinum subsp. decompositum Crater of Haleakala Common in cinder flats. Preserved_Specimen St.John, H. 17777 Maui BISH 1936-12-25
40 Pteridium aquilinum subsp. decompositum Kawaiiki ditch trail, Koolau range open Preserved_Specimen Herat, T. 386 Oahu BISH 1973-07-02
41 Pteridium aquilinum subsp. decompositum Milolii ridge, Waimea grassy, open koa forest Preserved_Specimen St.John, H. 13747 Kauai BISH 1933-12-27
42 Pteridium aquilinum subsp. decompositum Kawiwi-Kaala ridge, Waianae Mts., Makaha-Waianae Kai open, wooded Preserved_Specimen Fosberg, F.R. 10878 Oahu BISH 1935-03-31
43 Pteridium aquilinum subsp. decompositum Haleakala, growing on the side of the road approx. 2 miles up Growing with grasses and moss and other ferns. Preserved_Specimen Tanabe, L. 60 Maui BISH 1961-01-02
44 Pteridium aquilinum subsp. decompositum Kaokahi, W slope bare, eroded Preserved_Specimen Fosberg, F.R. 12429 Oahu BISH 1935-11-28
45 Pteridium aquilinum subsp. decompositum East Maui, Ridge east of Kaupo gap, Kipahulu Forest Reserve Vegetation: Sadleria, grass community and Styphelia. Preserved_Specimen Higashino, P.K. 2497 Maui BISH 1976-06-30
46 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, ridge E of Kaupo Gap Vegetation: Grass and Styphelia. Preserved_Specimen Higashino, P.K. 2598 Maui BISH 1976-06-30
47 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, ridge E of Kaupo Gap Vegetation: Acacia, Dodonaea and Styphelia. Preserved_Specimen Higashino, P.K. 2380 Maui BISH 1976-06-29
48 Pteridium aquilinum subsp. decompositum Parker Ranch; Makahalau Pasture; medium rainfall. Preserved_Specimen Ewart III, G.R. 354 Hawaii BISH 1934-02-26
49 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, ridge E of Kaupo Gap Vegetation: Sadleria, grass community and Styphelia. Preserved_Specimen Higashino, P.K. Maui BISH 1976-06-30
50 Pteridium aquilinum subsp. decompositum Kipapa Trail, finger on S side wet lowland forest; Metrosideros, Acacia, Dicranopteris Preserved_Specimen Reynolds, L.S. 149 Oahu BISH 2006-06-21
51 Pteridium aquilinum subsp. decompositum East Maui, Ridge east of Kaupo gap, Kipahulu Forest Reserve Vegetation: Sadleria, grass community and Styphelia. Preserved_Specimen Higashino, P.K. Maui BISH 1976-06-30
52 Pteridium aquilinum subsp. decompositum N slope of Kahuluu Valley, Koolau Mts small gulches; open slope Preserved_Specimen Fosberg, F.R. 12195 Oahu BISH 1935-07-04
53 Pteridium aquilinum subsp. decompositum low ridge just off road from Lihue to Lawai, at Koloa jct., on low buttress of Hoary Head Range introduced plants Preserved_Specimen Stone, B.C. 739 Kauai BISH 1955-06-14
54 Pteridium aquilinum subsp. decompositum Puu o Kaeha, Kawela grassy open forest Preserved_Specimen St.John, H. 12477 Molokai BISH 1932-12-23
55 Pteridium aquilinum subsp. decompositum Puu Hualalai: Kaupulehu Crevices of lava. Preserved_Specimen St.John, H. 11422 Hawaii BISH 1931-12-30
56 Pteridium aquilinum subsp. decompositum W side of Waimea Canyon, above Keanapahu rim, open scrub Preserved_Specimen St.John, H. 22978 Kauai BISH 1947-12-23
57 Pteridium aquilinum subsp. decompositum ridge between Keawapilau and Kapuna Gulches, Mokuleia, Waianae Mts grazed dryland forest of Sapindus, Planchonella, Osmanthus Preserved_Specimen Hatheway, W.H. 328 Oahu BISH 1950-09-07
58 Pteridium aquilinum subsp. decompositum Kalauao ridge, Koolau Mts dry koa forest Preserved_Specimen Fosberg, F.R. 9320 Oahu BISH 1933-03-29
59 Pteridium aquilinum subsp. decompositum Kalulu, Kapano Gulch grasslands and thickets Preserved_Specimen St.John, H. 18756 Lanai BISH 1938-04-10
60 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Kipahulu Forest Reserve, Healani Stream area Vegetation: Metrosideros, Styphelia, Vaccinium, Sadleria and Deschampsia. Preserved_Specimen Higashino, P.K. 1650 Maui BISH 1976-06-10
61 Pteridium aquilinum subsp. decompositum Kipapa Gulch, S ridge, Koolau Mts dry grassy hill side Preserved_Specimen Hosaka, E.Y. 732 Oahu BISH 1932-09-25
62 Pteridium aquilinum subsp. decompositum W ridge of Honomuni edge of thicket Preserved_Specimen St.John, H. 25216 Molokai BISH 1953-12-23
63 Pteridium aquilinum subsp. decompositum East Maui, Makawao District, Haleakala Road On grass covered slope. Preserved_Specimen Wilson, K.A. 61 Maui BISH 1951-12-24
64 Pteridium aquilinum subsp. decompositum 2nd gulch S of Pohakea Pass, Halona, Lualualei FR, Waianae Mts steep grassy slopes Preserved_Specimen St.John, H. 13145 Oahu BISH 1933-05-12
65 Pteridium aquilinum subsp. decompositum Waialua ridge Preserved_Specimen Forbes, C.N. 591 Molokai BISH 1912-09-01
66 Pteridium aquilinum subsp. decompositum Mahana Preserved_Specimen Munro, G.C. 171 Lanai BISH 1914-03-17
67 Pteridium aquilinum subsp. decompositum 7 Craters Road Preserved_Specimen Giffard, W.M. 338 Hawaii BISH 1928-06-01
68 Pteridium aquilinum subsp. decompositum East Maui, Hana District, Haleakala, SE slope of Kuiki Preserved_Specimen St.John, H. 21158 Maui BISH 1945-08-26
69 Pteridium aquilinum subsp. decompositum N-S Halawa Ridge, Koolau Mts Preserved_Specimen Ozaki, E.T. 82 Oahu BISH 1952-12-14
70 Pteridium aquilinum subsp. decompositum Mahana Preserved_Specimen Munro, G.C. 311 Lanai BISH 1914-03-17
71 Pteridium aquilinum subsp. decompositum East of Ukulele Preserved_Specimen Forbes, C.N. 902 Maui BISH 1919-07-21
72 Pteridium aquilinum subsp. decompositum W side, Waimea drainage basin Preserved_Specimen Forbes, C.N. 1111 Kauai BISH 1917-07-03
73 Pteridium aquilinum subsp. decompositum Waialua ridge Preserved_Specimen Forbes, C.N. 591 Molokai BISH 1912-09-01
74 Pteridium aquilinum subsp. decompositum East of Ukulele Preserved_Specimen Forbes, C.N. 902 Maui BISH 1919-07-21
75 Pteridium aquilinum subsp. decompositum Kau, road near Kapapala. Preserved_Specimen Giffard, W.M. 366 Hawaii BISH 1928-07-01
76 Pteridium aquilinum subsp. decompositum W side, Waimea drainage basin Preserved_Specimen Forbes, C.N. 1111 Kauai BISH 1917-07-03
77 Pteridium aquilinum subsp. decompositum 7 Craters Road Preserved_Specimen Giffard, W.M. 338 Hawaii BISH 1928-06-01
78 Pteridium aquilinum subsp. decompositum 7 Craters Road Preserved_Specimen Giffard, W.M. 338 Hawaii BISH 1928-06-01
79 Pteridium aquilinum subsp. decompositum East of Ukulele Preserved_Specimen Forbes, C.N. 902 Maui BISH 1919-07-21
80 Pteridium aquilinum subsp. decompositum Kalaupapa; trail, switchback 1 Preserved_Specimen Wysong, M.L. 380 Molokai BISH 2004-10-07
81 Pteridium aquilinum subsp. decompositum Kipuka Waiakea Preserved_Specimen Forbes, C.N. 953 Hawaii BISH 1915-06-26
82 Pteridium aquilinum subsp. decompositum Kealia trail Preserved_Specimen Bennett, T. 260 Oahu BISH
83 Pteridium aquilinum subsp. decompositum Hualalai, summit Preserved_Specimen Forbes, C.N. 219 Hawaii BISH 1911-06-18
84 Pteridium aquilinum subsp. decompositum SE facing slope of Kolekole Pass, Waianae Range, Schofield Barracks Preserved_Specimen Harris, J.A. 242086 Oahu BISH 1924-08-22
85 Pteridium aquilinum subsp. decompositum Palehua Preserved_Specimen Topping, D.L. 2723 Oahu BISH 1923-08-11
86 Pteridium aquilinum subsp. decompositum East Maui, Kipahulu Forest Reserve, Manawainui Planeze Preserved_Specimen Higashino, P.K. 2018 Maui BISH 1976-06-01
87 Pteridium aquilinum subsp. decompositum East Maui, Kipahulu Forest Reserve, Manawainui planeze Preserved_Specimen Higashino, P.K. 2051 Maui BISH 1976-06-01
88 Pteridium aquilinum subsp. decompositum Kipapa Gulch, S ridge Preserved_Specimen St.John, H. 9971 Oahu BISH 1929-10-29
89 Pteridium aquilinum subsp. decompositum Fort Shafter Ridge Preserved_Specimen Forbes, C.N. 2574 Oahu BISH 1919-05-01
90 Pteridium aquilinum subsp. decompositum Gulch near Hosner Nursery 20.8N 156.2W Preserved_Specimen Krajina, V.J. 620415002 Maui BISH 1962-04-15
91 Pteridium aquilinum subsp. decompositum Mahana Preserved_Specimen Munro, G.C. Lanai BISH 1914-03-17
92 Pteridium aquilinum subsp. decompositum Kilauea, Byron Ledge Trail Preserved_Specimen Neal, M.C. Hawaii BISH 1927-08-03
93 Pteridium aquilinum subsp. decompositum Niu Ridge. Preserved_Specimen Lyon, H.L. Oahu BISH 1909-08-29
94 Pteridium aquilinum subsp. decompositum Kona Preserved_Specimen Woolford, H.A. Hawaii BISH 1954-12-23
95 Pteridium aquilinum subsp. decompositum Kau District: Hawaii Volcanoes National Park: Kilauea Preserved_Specimen Forbes, C.N. Hawaii BISH 1908-09-01
96 Pteridium aquilinum subsp. decompositum unknown Preserved_Specimen (Not on sheet) BISH
97 Pteridium aquilinum subsp. decompositum Lanaihale Preserved_Specimen Kondo, Y. Lanai BISH 1961-03-25
98 Pteridium aquilinum subsp. decompositum Halemanu Preserved_Specimen Neal, M.C. Kauai BISH 1929-04-30
99 Pteridium aquilinum subsp. decompositum Hualalai, summit Preserved_Specimen Neal, M.C. Hawaii BISH 1934-06-19
100 Pteridium aquilinum subsp. decompositum unknown Preserved_Specimen Mann, H. 484 BISH 1864-01-01
101 Pteridium aquilinum subsp. decompositum Toward Wahiawa Preserved_Specimen Oahu BISH
102 Pteridium aquilinum subsp. decompositum Oahu or Hawaii (Kona or Kilauea) Preserved_Specimen Lack, F. BISH 1880-01-01
103 Pteridium aquilinum subsp. decompositum [Hawaiian Islands; U.S.A.; Hawaii Preserved_Specimen Gaudichaud-Beaupré, C. BISH 1819-01-01
104 Pteridium aquilinum subsp. decompositum unknown Preserved_Specimen The Group 1 BISH
105 Pteridium aquilinum subsp. decompositum unknown Preserved_Specimen (Not on sheet) 58 BISH
106 Pteridium aquilinum subsp. decompositum unknown Preserved_Specimen Hillebrand, W.B. BISH
107 Pteridium aquilinum subsp. decompositum Wahiawa Preserved_Specimen Forbes, C.N. 1500 Oahu BISH 1909-06-03
108 Pteridium aquilinum subsp. decompositum Kilauea, NE Ledge Preserved_Specimen Krajina, V.J. 611225038 Hawaii BISH 1961-12-25
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