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Cyclosorus interruptus

(Willd.) H.Itô (1937)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Polypodiales Family: Thelypteridaceae Genus: Cyclosorus

neke, palae, palai, uiui

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Sori:

Gametophyte:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Synonyms (57)

Aspidium continuum Desv. (1811)
Aspidium dissectum Mett. (1864)
Aspidium ecklonii Kunze (1836)
Aspidium lucens Bojer (1850)
Aspidium obtusatum Sw. (1801)
Aspidium paludosum Mett. (1858)
Aspidium plantianum Kuhn (1868)
Aspidium propinquum (R.Br.) Sw. (1829)
Aspidium resiniferum Kaulf. (1824)
Aspidium serra Schkuhr (1806)
Aspidium serratum Sw. (1806)
Aspidium unitum var. glabrum Mett. (1864)
Aspidium unitum var. hirsutum Mett. (1864)
Aspidium venulosum Blume (1828)
Christella interruptus (Willd.) H.Itô
Cyclosorus tottus (Thunb.) Pic.Serm. (1968)
Dryopteris gongylodes var. glabra (Mett.) C.Chr. (1913)
Dryopteris gongylodes var. hirsuta (Mett.) C.Chr. (1913)
Dryopteris interrupta (Willd.) Ching (1933)
Dryopteris obtusata F.Ballard (1932)
Dryopteris propinqua (R.Br.) Gilbert (1896)
Goniopteris cheilocarpa Fée (1852)
Goniopteris pennigera C.Presl (1836)
Hypopeltis marginifera Bory (1833)
Hypopeltis propinquoides Bory (1833)
Nephrodium consanguineum T.Moore (1858)
Nephrodium contiguum Schott (1834)
Nephrodium continuum Desv. (1827)
Nephrodium dissectum (Mett.) Baker (1867)
Nephrodium ecklonianum Pappe & Rawson (1858)
Nephrodium ecklonii C.Presl (1851)
Nephrodium gongylodes var. ecklonii Kümmerle (1933)
Nephrodium gongyloides Schott. (1834)
Nephrodium inaequilaterum Colenso (1888)
Nephrodium lucens Bojer (1852)
Nephrodium microcarpum C.Presl (1836)
Nephrodium obtusatum C.Presl (1825)
Nephrodium paludosum Liebm. (1849)
Nephrodium plantianum Pappe & Rawson (1858)
Nephrodium propinquum R.Br. (1810)
Nephrodium pteroides Hook. (1862)
Nephrodium resiniferum Hook. & Arn. (1832)
Nephrodium serratum Desv. (1827)
Nephrodium unitum var. propinquum (R.Br.) Baker (1870)
Nephrodium venulosum Desv. (1827)
Phymatodes secunda C.Presl (1836)
Polypodium pennigerum C.Presl (1825)
Polypodium secundum Wall. (1829)
Polypodium tottum Thunb. (1800)
Polystichum propinquum (R.Br.) Gaudich. (1828)
Polystichum serratum Gaudich. (1828)
Pteris crenata Vell. (1831)
Pteris interrupta Willd. (1794)
Tectaria marginalis Cav. (1806)
Thelypteris interrupta (Willd.) K.Iwats. (1963)
Thelypteris totta (Thunb.) Schelpe (1963)
Thelypteris totta var. hirsuta (Mett.) C.V.Morton (1967)

Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Kaua'i Indigenous
O'ahu Indigenous
Molokai Indigenous
Lana'i Not in flora
Maui Indigenous
Hawai'i Indigenous

Dispersal Agents


Bibliography

Name Published In: Bot. Mag. (Tokyo) 51: 714, f. 9 (1937)

Other References

Palmer 2003:102 (K, O, Mo, L, M, H); Faccenda, Arthur, et al. 2025:216 (remove L [no evidence of presence])

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Cyclosorus interruptus Koolau Mts, Punaluu Preserved_Specimen Rock, J.F.C. 231 Oahu BISH 1908-11-14
2 Cyclosorus interruptus Lihue, N side Preserved_Specimen Forbes, C.N. 37 Kauai BISH 1909-07-10
3 Cyclosorus interruptus Waianae, Keialia trail Preserved_Specimen Selling, O. 5735 Oahu BISH 1938-09-18
4 Cyclosorus interruptus Power line trail, Kalihikai Preserved_Specimen St.John, H. 23132 Kauai BISH 1947-12-29
5 Cyclosorus interruptus Kawaihau, Kamalomaloo, Kaneha Reservoir Preserved_Specimen Herbst, D.R. 5684 Kauai BISH 1976-02-25
6 Cyclosorus interruptus Power line trail, Hanalei-Kalihikai Preserved_Specimen St.John, H. 10974 Kauai BISH 1931-01-02
7 Cyclosorus interruptus Maunapuluo, Hanakapiai, Napali Coast Preserved_Specimen St.John, H. 10887 Kauai BISH 1930-12-30
8 Cyclosorus interruptus Ka Loko Reservoir, Kilauea Preserved_Specimen Forbes, C.N. 575 Kauai BISH 1916-10-11
9 Cyclosorus interruptus Ka Loko Reservoir, Kilauea Preserved_Specimen Forbes, C.N. 575 Kauai BISH 1916-10-11
10 Cyclosorus interruptus Manoa Valley Preserved_Specimen Degener, O. 10416 Oahu BISH 1926-05-11
11 Cyclosorus interruptus Kipahulu Valley Preserved_Specimen Forbes, C.N. 1743 Maui BISH 1919-12-02
12 Cyclosorus interruptus Manoa, Pali Road Preserved_Specimen Topping, D.L. 2666 Oahu BISH 1923-06-17
13 Cyclosorus interruptus Manoa Valley Preserved_Specimen Wiebke, H. 30185 Oahu BISH 1926-05-11
14 Cyclosorus interruptus Manoa, Pali Road Preserved_Specimen Topping, D.L. 2691 Oahu BISH 1923-06-15
15 Cyclosorus interruptus Hilo Preserved_Specimen Mann, H. 269 Hawaii BISH 1864-01-01
16 Cyclosorus interruptus Hanalei District. Kahuamaa Flatt, Kokee Metrosideros-Cheirodendron-Dicranopteris montane wet forest with Polyscias waimeae, P. waialealae, Melicope clusiifolia, Ilex anomala, Bobea brevipes, Nestegis sandwicensis, Scaevola procera, Elaeocarpus bifidus, Xylosma hawaiiense, Syzygium sandwicensis, Psycho Preserved_Specimen Fern, terrestrial in open boggy flat, 100 sq. m. area, rhizome long creeping, not fertile, but collected for DNA. Wood, K.R. 18279 Kauai BISH 2019-08-14
17 Cyclosorus interruptus East Maui, Lower trail. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-18
18 Cyclosorus interruptus Kailua; Kaelepulu Pond, north and west borders Preserved_Specimen Neal, M.C. Oahu BISH 1940-05-30
19 Cyclosorus interruptus Forest near Hilo Preserved_Specimen Newell, Brother M. Hawaii BISH 1910-01-01
20 Cyclosorus interruptus Hawaii Preserved_Specimen U.S. Exploring Expedition Hawaii BISH 1838-01-01
21 Cyclosorus interruptus East Maui, Lower trail. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-18
22 Cyclosorus interruptus Manoa Valley, Aihualama, Pali Trail Preserved_Specimen Lyon, H.L. Oahu BISH 1929-11-24
23 Cyclosorus interruptus Forest of Waimea Preserved_Specimen Lyons, A.B. Hawaii BISH 1860-01-01
24 Cyclosorus interruptus Kokee Preserved_Specimen Neal, M.C. Kauai BISH 1929-05-01
25 Cyclosorus interruptus Forest of Waimea Preserved_Specimen Lyons, A.B. Hawaii BISH 1860-01-01
26 Cyclosorus interruptus Waiawa. Preserved_Specimen Brodie, A. Kauai BISH 1903-09-13
27 Cyclosorus interruptus Tantalus Preserved_Specimen Pahu Oahu BISH 1902-08-25
28 Cyclosorus interruptus Oahu or Hawaii (Kona or Kilauea) Preserved_Specimen Lack, F. BISH 1880-01-01
29 Cyclosorus interruptus unknown Preserved_Specimen (Not on sheet) 2 BISH
30 Cyclosorus interruptus Kawainui Marsh, near Kailua levee Preserved_Specimen Smith, L.B. 147 Oahu BISH 1976-07-30
31 Cyclosorus interruptus Oahu Preserved_Specimen Rémy, J. 20 Oahu BISH 1851-01-01
32 Cyclosorus interruptus Keopukaloa Preserved_Specimen Forbes, C.N. 492 Molokai BISH 1912-08-01
33 Cyclosorus interruptus Molokai Preserved_Specimen Stokes, J.F.G. 14 Molokai BISH 1909-01-01
34 Cyclosorus interruptus Kipahulu Valley Preserved_Specimen Forbes, C.N. 1743 Maui BISH 1919-12-02
35 Cyclosorus interruptus upper Manoa Valley Preserved_Specimen Topping, D.L. 2700 Oahu BISH 1923-07-24
36 Cyclosorus interruptus Manoa Valley Preserved_Specimen Forbes, C.N. 1403 Oahu BISH 1909-11-25
37 Cyclosorus interruptus All the Islands Preserved_Specimen (Not on sheet) BISH
38 Cyclosorus interruptus All the Islands Preserved_Specimen BISH
39 Cyclosorus interruptus Nualolo Kai, Waimea old taro patch Preserved_Specimen St.John, H. 26674 Kauai BISH 1965-04-22
40 Cyclosorus interruptus E side of Kawainui Marsh, Kailua shallow water, shaded by Scirpus and Cladium Preserved_Specimen erect fronds from prostrate rhizome system Fosberg, F.R. 56676 Oahu BISH 1977-03-05
41 Cyclosorus interruptus Kealia Forest Reserve; Makaleha Ditch intake on Makaleha Stream. Elev. ca. 600ft ditch intake, island formed by stream and ditch; with Phymatosorus Preserved_Specimen Flynn, T.W. 1334 Kauai BISH 1985-10-25
42 Cyclosorus interruptus East Maui, Nslope of Haleakala, Papaaea common in swampy places Preserved_Specimen Forbes, C.N. 2529 Maui BISH 1920-06-15
43 Cyclosorus interruptus Wainiha Valley, near dam marsh flats Preserved_Specimen Stone, B.C. 1495 Kauai BISH 1956-12-26
44 Cyclosorus interruptus Iao Valley Wet open field and slope. Preserved_Specimen Kato, M. 1121 Maui BISH 1998-09-03
45 Cyclosorus interruptus Kealia Forest Reserve; Makaleha Ditch intake on Makaleha Stream. Elev. ca. 600ft ditch intake, island formed by stream and ditch; with Phymatosorus Preserved_Specimen Flynn, T.W. 1334 Kauai BISH 1985-10-25
46 Cyclosorus interruptus East Molokai, North coast, Wailau Valley Grassy abandoned taro patch Preserved_Specimen F.R. Fosberg 9640 Molokai BISH 1933-07-03
47 Cyclosorus interruptus Between Olaa and Pahoa In open wet sunny ditch. Preserved_Specimen Degener, O. 5645 Hawaii BISH 1930-02-07
48 Cyclosorus interruptus Wainiha Valley moist forest Preserved_Specimen St.John, H. 13901 Kauai BISH 1934-01-01
49 Cyclosorus interruptus Kailua, Kawainui Marsh Dike. S end, Mauka side Growing in black mucky substrate, and up and over other vegetation in marsh. Associated vegetation-Cyperus polystachyos, Typha latifolia, Ludwigia octovalvis, Commelina diffusa, Pluchea indica, Bacopa monnieri, Pistia stratiotes, Schoenoplectus californicus. Preserved_Specimen Creeping fern, 1-3' fronds, light green. Crago, L.M. 2005035 Oahu BISH 2005-02-25
50 Cyclosorus interruptus ridge of Hoary Head Mts. off road from Lihue to Lawai near Koloa jct dry Preserved_Specimen Stone, B.C. 733 Kauai BISH 1955-06-15
51 Cyclosorus interruptus Kaau Crater herbaceous marsh, bottom Preserved_Specimen Egler, F.E. 37315 Oahu BISH 1937-07-29
52 Cyclosorus interruptus Puna Roadside Preserved_Specimen Smith, F.G. 46 Hawaii BISH 1929-03-13
53 Cyclosorus interruptus Kealia Trail, Kawaihapai dripping ledges near top Preserved_Specimen Degener, O. 24107 Oahu BISH 1956-11-15
54 Cyclosorus interruptus W slope of Manuahi Ridge, SE of Keawanui with Psidium guajava, Schinus, Pandanus tectorius, Metrosideros, Aleurites, Kalanchoe pinnata, Zingiber zerumbet; clearing with water seepage Preserved_Specimen ground fern with long creeping rhizome Lorence, D.H. 5436 Molokai BISH 1987-08-01
55 Cyclosorus interruptus Maunapuluo, Haena brush on open headland Preserved_Specimen St.John, H. 138744 Kauai BISH 1933-12-30
56 Cyclosorus interruptus Koolau Mts., Kipapa Gulch along stream Preserved_Specimen Hosaka, E.Y. 658 Oahu BISH 1932-07-10
57 Cyclosorus interruptus Wahiawa bog on slope; with Cladium leptostachyum, Paspalum orbiculare, Cyperus haspan, Nephrolepis exaltata Preserved_Specimen Stemmermann, R.L. 6715 Kauai BISH 1981-03-12
58 Cyclosorus interruptus Napali Coast, Honopu Valley, W side on wet slope beside stream in shade of Aleurites moluccana Preserved_Specimen fern Corn, C. 380 Kauai BISH 1979-07-17
59 Cyclosorus interruptus Power line trail, Hanalei side wet, pasture Preserved_Specimen Herbst, D.R. 2457 Kauai BISH 1972-05-31
60 Cyclosorus interruptus Kau District: Waiohinu, Government Road Damp open places. Introduced? Preserved_Specimen Terrestrial. Rhizome creeping. Russ, G.W. 105 Hawaii BISH 1928-07-01
61 Cyclosorus interruptus Mokuleia, cliffs overlooking airstrip boulder field near water seep Preserved_Specimen Takeuchi, W.N. 3594 Oahu BISH 1987-06-13
62 Cyclosorus interruptus Makaleha Valley: Makaleha Stream along stream bank. Preserved_Specimen Wilson, K.A. 2370 Kauai BISH 1993-02-27
63 Cyclosorus interruptus Kawainui Swamp, Kailua drier parts Preserved_Specimen patches St.John, H. 10633 Oahu BISH 1930-05-04
64 Cyclosorus interruptus Waihee Ditch Trail Fertile Preserved_Specimen Woolford, H.A. 172 Maui BISH 1955-12-31
65 Cyclosorus interruptus Hanalei, mauka of Kilauea, E of Kalihiwai Reservoir bordered by Kalihiwai Ditch and Pohakuhonu and Halaulani streams with Schoenoplectus and Ludwigia Preserved_Specimen pinna dark glossy green to yellow green; rhizome long creeping Flynn, T.W. 3189 Kauai BISH 1988-10-21
66 Cyclosorus interruptus At edge of Ka Loko Reservoir, near spillway. In standing water. Preserved_Specimen Corn, C. 822 Kauai BISH 1982-04-29
67 Cyclosorus interruptus Kaau Crater, Palolo swamp Preserved_Specimen Christophersen, E. 1676 Oahu BISH 1931-03-26
68 Cyclosorus interruptus Punaluu flood plain, weedy clearing in alien forest Preserved_Specimen ~all fronds sterile Takeuchi, W.N. 3800 Oahu BISH 1988-02-28
69 Cyclosorus interruptus Powerline rail, S of Princeville Along a stream. Preserved_Specimen Kato, M. 110 Kauai BISH 1997-10-26
70 Cyclosorus interruptus floor of Wahiawa Swamp with Cyanea gayana, Dubautia, Astelia, Metrosideros, Sadleria Preserved_Specimen fern; long runners; open veined, pinnule segments. Gillett, G.W. 1540 Kauai BISH 1964-04-10
71 Cyclosorus interruptus East Maui, Hana District, Hana, Puu Ki marshy place, edge of lower woods Preserved_Specimen St.John, H. 17890 Maui BISH 1936-12-31
72 Cyclosorus interruptus Heeia Wetland, Kaneohe, Oahu Growing in 1-3 inches of fresh water, creeping up and over other vegetation-Paspalum conjugatum, Sagittaria latifolia, Ludwigia octovalvis, Commelina diffusa. Preserved_Specimen Fronds 1-3 feet tall, stiff. Crago, L.M. 2005059 Oahu BISH 2005-02-11
73 Cyclosorus interruptus Lyon Arboretum, Fern Valley Preserved_Specimen large stand Wilson, K.A. 1684 Oahu BISH 1989-07-14
74 Cyclosorus interruptus East Maui, N.slope of Haleakala, Papaaea common in swampy places Preserved_Specimen Forbes, C.N. 2529 Maui BISH 1920-06-15
75 Cyclosorus interruptus Hanapepe River valley muddy, abandoned taro patch Preserved_Specimen St.John, H. 13507 Kauai BISH 1933-12-23
76 Cyclosorus interruptus NW of Kalaheo, above Alexander Reservoir in Kanaele Swamp with Paspalum, Sacciolepis, Scirpus Preserved_Specimen Henrickson, J.S. 4002 Kauai BISH 1969-07-31
77 Cyclosorus interruptus Waianae Mts., Makaha Valley wet, woods Preserved_Specimen tufts St.John, H. 11616 Oahu BISH 1932-04-03
78 Cyclosorus interruptus Highway 340, mile 8.5 along a creek bed and roadside shady, lots of folliage Preserved_Specimen Plant average about 2½ ft. long. Vitale, C.H. 52 Maui BISH 1983-03-06
79 Cyclosorus interruptus East Molokai, Wailau Valley taro patch; with Aleurites, Eugenia, Mangifera, Nephrolepis Preserved_Specimen Higashino, P.K. 5684 Molokai BISH 1977-04-09
80 Cyclosorus interruptus Punaluu flood plain, weedy clearing in alien forest Preserved_Specimen ~all fronds sterile Takeuchi, W.N. 3800 Oahu BISH 1988-02-28
81 Cyclosorus interruptus W Maui, Honokahu, Puu Kukui Watershed Management Area Fence 4B on the W slope of Kekaakaau Disturbed mesic forest with Psidium guajava, Dodonaea viscosa, Metrosideros polymorpha, Nephrolepis multiflora, Thelypteris parasitica, Paspalum conjugatum, Andropogon virginicus. Preserved_Specimen Meidell, J.S. 285 Maui BISH 1998-01-14
82 Cyclosorus interruptus Mokuleia, cliffs overlooking airstrip boulder field near water seep Preserved_Specimen Takeuchi, W.N. 3594 Oahu BISH 1987-06-13
83 Cyclosorus interruptus Kahuamaa Flat, Kokee Metrosideros-Cheirodendron-Dicranopteris montane wet forest with Polyscias waimeae, P. waialealae, Melicope cluslifolia, Ilex anomala, Bobea brevipes, Nestegis sandwicensis, Scaevola procera, Elaeocarpus bifidus, Xylosma hawaiiense, Syzygim sandwicensis, Psycho Preserved_Specimen Fern, terrestrial in open boggy flat, 100 aq. M. area, rhizome long creeping, not fertile, but collected for DNA. Wood, K.R. 18279 Kauai BISH 2019-08-14
84 Cyclosorus interruptus Niaupala Fishpong, Kaluaaha brackish marsh Preserved_Specimen St.John, H. 19958 Molokai BISH 1939-02-02
85 Cyclosorus interruptus unknown Preserved_Specimen BISH
86 Cyclosorus interruptus Power line trail, Kalihikai Preserved_Specimen St.John, H. 23132 Kauai BISH 1947-12-29
87 Cyclosorus interruptus Waihee Ditch Trail Fertile Preserved_Specimen Woolford, H.A. 172 Maui BISH 1955-12-31
88 Cyclosorus interruptus Oahu swamps Preserved_Specimen Judd, J.R. Oahu BISH 1888-01-01
89 Cyclosorus interruptus Hamakua District, Kukuihaele quad, Waipio Valley Occasional running fern in overgrown abandoned taro lo'i dominated by Commelina and Myriophyllum, along with Psidium guajava, Ludwigia octovalvis, Kyllinga brevifolia. Preserved_Specimen Imada, C. 20017 Hawaii BISH 2001-03-13
90 Cyclosorus interruptus lower slopes of Konahuanui above Manoa Preserved_Specimen Heller, A.A. 2594 Oahu BISH 1895-11-12
91 Cyclosorus interruptus lower slopes of Konahuanui above Manoa Preserved_Specimen Heller, A.A. 2594 Oahu BISH 1895-11-12
92 Cyclosorus interruptus Power line trail, between Hanalei and Lihue Preserved_Specimen Forbes, C.N. 134165 Kauai BISH 1909-08-06
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