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Pteris irregularis

Kaulf. (1824)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Polypodiales Family: Pteridaceae Genus: Pteris

‘āhewa (O‘ahu), ‘āhewa [ahewa], ‘iwa puakea (Maui), iwa puakea, mana, mānā

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Sori:

Gametophyte:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

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: Enum. Filic.: 189 (1824)

Other References

Palmer 2003:227 (K, O, Mo, L, M, H); Zach Pezzillo pers. comm. 2025/Munro 256 BISH (L†, 1928)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Pteris irregularis Ridges S of Halawa Valley Preserved_Specimen Forbes, C.N. 510 Molokai BISH 1912-08-01
2 Pteris irregularis Ridges S of Halawa Valley Preserved_Specimen Forbes, C.N. 510 Molokai BISH 1912-08-01
3 Pteris irregularis Right fork of Wailupe Valley Preserved_Specimen Garber, D.W. 169 Oahu BISH 1920-01-12
4 Pteris irregularis Kapuna Gulch - releve 16 Preserved_Specimen Welton, P. 567 Oahu BISH 1990-07-08
5 Pteris irregularis Lanai Preserved_Specimen Forbes, C.N. 343 Lanai BISH 1917-09-01
6 Pteris irregularis R fork of Wailupe Valley Preserved_Specimen Garber, D.W. 146 Oahu BISH 1920-01-12
7 Pteris irregularis Basal pinnae; upper trail, along stream Preserved_Specimen Munro, G.C. 5 Maui BISH 1908-12-17
8 Pteris irregularis Basal pinnae; upper trail, along stream Preserved_Specimen Munro, G.C. 5 Maui BISH 1908-12-17
9 Pteris irregularis Lanai Preserved_Specimen Forbes, C.N. 343 Lanai BISH 1917-09-01
10 Pteris irregularis Koolau Mountains: Punaluu Preserved_Specimen Rock, J.F.C. 7 Oahu BISH 1908-08-01
11 Pteris irregularis Koolau Mts, Punaluu Preserved_Specimen Rock, J.F.C. 239 Oahu BISH 1908-11-14
12 Pteris irregularis Kauai Preserved_Specimen Rémy, J. 36 Kauai BISH 1851-01-01
13 Pteris irregularis Kipahulu, ridge right side of Preserved_Specimen Forbes, C.N. 1700 Maui BISH 1919-11-20
14 Pteris irregularis Wailupe-Niu Preserved_Specimen Topping, D.L. 2739 Oahu BISH 1924-06-13
15 Pteris irregularis Koolau Mts, Punaluu Preserved_Specimen Rock, J.F.C. 238 Oahu BISH 1908-11-14
16 Pteris irregularis Manoa Valley. Preserved_Specimen Lyon, H.L. 1233 Oahu BISH 1908-07-26
17 Pteris irregularis East Maui, Ukulele Preserved_Specimen Forbes, C.N. 926 Maui BISH 1919-07-01
18 Pteris irregularis Manoa Valley. Preserved_Specimen Lyon, H.L. 1233 Oahu BISH 1908-07-26
19 Pteris irregularis Waianae Mountain Range: NE slope of Mt. Kaala Preserved_Specimen Bishop, L.E. 3017006 Oahu BISH 1970-03-01
20 Pteris irregularis R fork of Wailupe Valley Preserved_Specimen Garber, D.W. 146 Oahu BISH 1920-01-12
21 Pteris irregularis Lanai Preserved_Specimen Forbes, C.N. 343 Lanai BISH 1917-09-01
22 Pteris irregularis Kipahulu, ridge right side of Preserved_Specimen Forbes, C.N. 1700 Maui BISH 1919-11-20
23 Pteris irregularis Honokahau Drainage Basin Preserved_Specimen Forbes, C.N. 399 Maui BISH 1917-09-25
24 Pteris irregularis W of Olaa, Hiulani forest Preserved_Specimen Skottsberg, C.J.F. 440 Hawaii BISH 1922-09-08
25 Pteris irregularis Basal pinnae; upper trail, along stream Preserved_Specimen Munro, G.C. 5 Maui BISH 1908-12-17
26 Pteris irregularis Waimea Drainage Basin, W side Preserved_Specimen Forbes, C.N. 839 Kauai BISH 1917-07-03
27 Pteris irregularis Kalihi Valley Preserved_Specimen Munro, G.C. 1146 Oahu BISH 1908-05-24
28 Pteris irregularis Waianae Mountain Range: Makaleha Valley Preserved_Specimen Skottsberg, C.J.F. 381 Oahu BISH 1922-08-30
29 Pteris irregularis Kona, Kealapuali Preserved_Specimen Forbes, C.N. 301 Hawaii BISH 1911-07-01
30 Pteris irregularis Kokee, Kauhau Valley, below Boy Scout Camp Preserved_Specimen Flynn, T.W. 928 Kauai BISH 1984-08-24
31 Pteris irregularis [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen von Chamisso, L.A. Oahu BISH 1816-01-01
32 Pteris irregularis Basel Pinnae, upper trail Preserved_Specimen Munro, G.C. Maui BISH 1908-12-17
33 Pteris irregularis Makaleha Valley Preserved_Specimen Munro, G.C. Oahu BISH 1922-08-30
34 Pteris irregularis Kalalau Trail Preserved_Specimen Wiebke, H. Kauai BISH 1926-07-04
35 Pteris irregularis Waikiki Preserved_Specimen Gaudichaud-Beaupré, C. Oahu BISH 1817-01-01
36 Pteris irregularis Basel Pinnae, upper trail Preserved_Specimen Munro, G.C. Maui BISH 1908-12-17
37 Pteris irregularis Niu Ridge. Preserved_Specimen Lyon, H.L. Oahu BISH 1909-08-29
38 Pteris irregularis Maui Preserved_Specimen Baldwin, D.D. Maui BISH 1879-01-01
39 Pteris irregularis Konahuanui Trail. Preserved_Specimen Lyon, H.L. Oahu BISH 1909-05-23
40 Pteris irregularis Kalalau Trail Preserved_Specimen Rock, J.F.C. Kauai BISH 1908-08-02
41 Pteris irregularis Makua Preserved_Specimen Russ, G.W. Oahu BISH 1930-05-01
42 Pteris irregularis Tantalus. Preserved_Specimen Lyon, H.L. Oahu BISH 1912-08-04
43 Pteris irregularis 17 mi from Kona toward Waimea Preserved_Specimen Wiebke, H. Hawaii BISH 1926-08-14
44 Pteris irregularis Maui Preserved_Specimen Baldwin, D.D. Maui BISH 1879-01-01
45 Pteris irregularis Iao Valley Preserved_Specimen Faurie, A. Maui BISH 1909-09-01
46 Pteris irregularis Basel Pinnae, upper trail Preserved_Specimen Munro, G.C. Maui BISH 1908-12-17
47 Pteris irregularis Mts of Hawaii - Oahu - Maui Preserved_Specimen Eaton, D.C. 14 BISH 1838-01-01
48 Pteris irregularis Oahu or Hawaii. (Kona or Kilauea) Preserved_Specimen Lack, F. BISH 1880-01-01
49 Pteris irregularis unknown Preserved_Specimen Bishop, E.F. BISH 1870-01-01
50 Pteris irregularis unknown Preserved_Specimen Baldwin, D.D. BISH 1879-01-01
51 Pteris irregularis [Hawaiian Islands; U.S.A.; Hawaii Preserved_Specimen Hillebrand, W.B. BISH
52 Pteris irregularis unknown Preserved_Specimen Munro, G.C. BISH
53 Pteris irregularis S. Kohala, Kohala Mts., Puu Ahia with Metrosideros, Cheirodendron, Clermontia, Dicranopteris, Myrsine, Melicope clusiifolia, Cyanea tritomantha, Dryopteris glabra, D. acutidens, D. wallichiana, bryophytes; wet Preserved_Specimen terrestrial rhizome brown, creeping with red brown scales; lower stipe black brown, becoming medium brown or green; lamina medium green above, paler below Wood, K.R. 4788 Hawaii BISH 1995-11-21
54 Pteris irregularis Waianae Mountains; Waianaeuka; Valley south of east ridge of Puu Kalena Moist forest. Preserved_Specimen Fosberg, F.R. 13001 Oahu BISH 1936-03-22
55 Pteris irregularis Maui upper trail along stream Preserved_Specimen Munro, G.C. Maui BISH 1908-12-17
56 Pteris irregularis Olaa FR, Wright Road, Puna Cibotium glaucum and Metrosideros forest; on ground Preserved_Specimen St.John, H. 25072 Hawaii BISH 1953-01-29
57 Pteris irregularis East Maui, upper trail. Along stream. Preserved_Specimen Basal pinna and stipe. Lyon, H.L. Maui BISH 1908-12-17
58 Pteris irregularis Waianae Mts., Kunia trail E of Puu Kanehoa rocky bank along trail in valley #3, near grove of Claoxylon and Alectryon Preserved_Specimen Stone, B.C. 3264 Oahu BISH 1960-03-26
59 Pteris irregularis [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Wet, sides of ridges. Preserved_Specimen Mann, H. 162 Oahu BISH 1864-01-01
60 Pteris irregularis Kipahulu Valley, NE ridge from central ridge to floor wet soil near foot of pali Preserved_Specimen DeWreede, R.E. 31 Maui BISH 1967-08-19
61 Pteris irregularis West Maui; in a narrow, steep drainage on the west wall of Kaluanui Stream, east of Puu Kukui Watershed transect station 2.2100 In a narrow, steep drainage. Specimen situated on a streambank in heavy shade of 5-6 meter canopy within Ohia Montane Wet Forest. Associated vegetation: Metrosideros polymorpha, Cheirodendron trigynum, Broussaisia arguta, Hedyotis hillebrandii, Melicope clusiifolia, Cibotium menziesii, Thelypteris stegnogrammoides, Diplazium sandwichianum, Nothoparanema rubiginosum, Vandenboschia davallioides, Sadleria pallida, Callistopteris baueriana, Deparia petersenii. Preserved_Specimen Meidell, J.S. 262 Maui BISH 1998-01-08
62 Pteris irregularis Waimea Forest. Preserved_Specimen Lyons, A.B. Hawaii BISH 1860-01-01
63 Pteris irregularis 17 m. N of Kohala toward Waimea rain forest above ranches Preserved_Specimen Wiebke, H. Hawaii BISH 1926-08-01
64 Pteris irregularis 17 mi W of Kohala, toward Waimea rain forest above ranches Preserved_Specimen Wiebke, H. Hawaii BISH 1926-08-01
65 Pteris irregularis Waianae Mountain Range: Gulch to south of ridge on east slope that leads to Puu Kanehoa In shade of steep slope by stream. Preserved_Specimen This was growing with natural appearing fronds. Newhouse, W.J. 542 Oahu BISH
66 Pteris irregularis Olokui, Wailau, ridge between upper forks of Wailele Stream Moist forest. Preserved_Specimen St.John, H. 23304 Molokai BISH 1948-02-06
67 Pteris irregularis Kaua Moderate slopes of amphitheatre-headed subgulch. Mesic forest remnant dominated by Pouteria, common fern with Microlepia spp., Dryopteris glabra, Cyrtomium caryotideum, and Asplenium macraei. Preserved_Specimen Takeuchi, W.N. 3851 Oahu BISH 1988-04-17
68 Pteris irregularis Kuhiwa Trail, Koolau Forest Reserve, Nahiku In wet woods. Preserved_Specimen St.John, H. 17919 Maui BISH 1937-01-02
69 Pteris irregularis W Maui, Manawainui, Lower Hanaula steep lower slopes of gulch in damp shade Preserved_Specimen Hobdy, R.W. 1053 Maui BISH 1981-04-16
70 Pteris irregularis Kawaiiki, off Kaluahaulu ridge, upper forest Metrosideros-Acacia mixed mesic forest with Alphitonia ponderosa, Diospyros sandwicensis, Planchonella sandwicensis, Santalum pyrularium, Kadua affinis, Coprosma waimeae, Ilex anomala, Cheirodendron trigynum, Claoxylon sandwicensis, Scaevola Preserved_Specimen Fern, terrestrial rhizome long-creeping, fertile, with Pteris cretica, uncommon Wood, K.R. 18256 Kauai BISH 2019-07-24
71 Pteris irregularis Waimea Forest. Preserved_Specimen Lyons, A.B. Hawaii BISH 1860-01-01
72 Pteris irregularis Kokee, Kaunuohua mesic, summer dry forest; on moist, shaded floor Preserved_Specimen Herbst, D.R. 2169 Kauai BISH 1971-10-01
73 Pteris irregularis Koolau Mountain Range: Waipio District: Waikakalaua Gulch By open creek among other ferns. Preserved_Specimen Hosaka, E.Y. 200 Oahu BISH 1930-04-06
74 Pteris irregularis Waianae Mountain Range: Kealia In shade under trees in gully Preserved_Specimen Hosaka, E.Y. 1318 Oahu BISH 1936-02-02
75 Pteris irregularis head of Waikolu Valley Wet forest. Preserved_Specimen St.John, H. 12429 Molokai BISH 1932-12-21
76 Pteris irregularis Haukulu Slooping ridge. Preserved_Specimen Russell, P. 161 Oahu BISH 1932-07-27
77 Pteris irregularis Koolau Mountain Range: Manoa Cliff Trail Shady bank. Preserved_Specimen Topping, D.L. 3310 Oahu BISH 1929-03-17
78 Pteris irregularis S. Kohala, Kohala Mts., Puu Ahia with Metrosideros, Cheirodendron, Clermontia, Dicranopteris, Myrsine, Melicope clusiifolia, Cyanea tritomantha, Dryopteris glabra, D. acutidens, D. wallichiana, bryophytes; wet Preserved_Specimen terrestrial rhizome brown, creeping with red brown scales; lower stipe black brown, becoming medium brown or green; lamina medium green above, paler below Wood, K.R. 4788 Hawaii BISH 1995-11-21
79 Pteris irregularis Waimea Forest. Preserved_Specimen Lyons, A.B. Hawaii BISH 1860-01-01
80 Pteris irregularis Maunahui Gulch Dark shady places. Preserved_Specimen 4 feet long. Rock, J.F.C. 6141 Molokai BISH 1910-03-21
81 Pteris irregularis Maui upper trail along stream Preserved_Specimen Munro, G.C. Maui BISH 1908-12-17
82 Pteris irregularis Manuka NAR;, nature trail up to Kipuka Kilioe Metrosideros lowland mesic forest ca 25 - 30 m tall. W/ understory of Nestegis, Pisonia, Charpentiera, Psychotria hawaiiensis, Claoxylon, Myrsine lessertiana, Dodonaea viscosa, Alyxia oliviformis, Pipturus albidus, Antidesma platyphyllum & A. pulvinatum. Preserved_Specimen terrestrial with creeping rhizome, occasional. Wood, K.R. 13201 Hawaii BISH 2008-08-07
83 Pteris irregularis Olokui, Wailau, ridge between upper forks of Wailele Stream Moist forest. Preserved_Specimen St.John, H. 23304 Molokai BISH 1948-02-06
84 Pteris irregularis Waimea Forest. Preserved_Specimen Lyons, A.B. Hawaii BISH 1860-01-01
85 Pteris irregularis East Maui, upper trail. Along stream. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-17
86 Pteris irregularis Waimea District. Kawaiiki, off Kaluahaulu ridge, upper forest. Metrosideros-Acacia mixed mesic forest w/ Alphitonia ponderosa, Diospyros sandwicensis, Planchonella sandwicensis Santalum pyrularium, Kadua affinis, Coprosma waimeae, Ilex anomala, Cheirodendron trigynum, Claoxylon sandwicensis Scaevola Preserved_Specimen Fern, terrestrial rhizomes long-creeping fertile w/Pteris cretica, uncommon. Wood, K.R. 18256 Kauai BISH 2019-07-24
87 Pteris irregularis Kamakou Preserve, Upper Kupaia Gulch, East Molokai Streambank in Montane wet Metrosideros forest. Preserved_Specimen Large terrestrial fern. Pratt, L.W. 1970 Molokai BISH 1985-09-25
88 Pteris irregularis Niu Ridge. Preserved_Specimen Lyon, H.L. Oahu BISH 1909-08-29
89 Pteris irregularis Koolau Mountain Range: Kipapa Gulch; lower forest Forest. Preserved_Specimen Hosaka, E.Y. 988 Oahu BISH 1933-04-30
90 Pteris irregularis E branch of E. Makaleha Valley bank of dry stream bed in shade Preserved_Specimen Hatheway, W.H. 408 Oahu BISH 1950-07-30
91 Pteris irregularis Kamokou Presreve, Upper Kupaia Gulch, East Molokai Streambank in Montane wet Metrosideros forest. Preserved_Specimen Large terrestrial fern Pratt, L.W. 1970 Molokai BISH 1985-09-25
92 Pteris irregularis Maunahui Gulch Dark shady places. Preserved_Specimen 4 feet long. Rock, J.F.C. 6141 Molokai BISH 1910-03-21
93 Pteris irregularis Waianae Mountain Range: Honouliuli: north fork of valley east of Palikea Shaded stream bank. Preserved_Specimen St.John, H. 10354 Oahu BISH 1930-02-23
94 Pteris irregularis Between Glen and Volcano House wet jungle Preserved_Specimen Wiebke, H. Hawaii BISH 1926-07-24
95 Pteris irregularis Palawai gulch, Southern Waianae Mountains. Growing in remnant mesic forest dominated by Planchonella, Ceodes, Rockia, Acacia, Pleomele, and others. Also growing with Pteralyxia macrocarpa, Asplenium macraei, Microlepia X adulteriana, etc. Preserved_Specimen Thomas, M.K. 326 Oahu BISH 2022-04-06
96 Pteris irregularis Waianae Mountain Range: Makaleha Valley Steep, wet slope. Preserved_Specimen Hume, E.P. 423 Oahu BISH 1931-12-13
97 Pteris irregularis Ridge to Puu Kuua On talus debris under Nothocestrum longifolium w/ open understory Preserved_Specimen Large colony Takeuchi, W.N. 132 Oahu BISH 1984-07-17
98 Pteris irregularis Waianae Mountain Range: Honouliuli; Kupehau Gulch On moist bank. Preserved_Specimen Cowan, R.S. 156 Oahu BISH 1946-10-13
99 Pteris irregularis East Maui, Kahikinui, Manawainui Gulch Growing on open slope near top of west side. Preserved_Specimen Fronds 4 ft long. Hobdy, R.W. 969 Maui BISH 1980-12-18
100 Pteris irregularis Waianae Mountain Range: below ridge trail to Palikea, seaward side, 0.25 miles north of radar station On dry slope of ridge. Preserved_Specimen Cowan, R.S. 920 Oahu BISH 1948-03-27
101 Pteris irregularis East Maui, upper trail. Along stream. Preserved_Specimen Top of frond. Lyon, H.L. Maui BISH 1908-12-17
102 Pteris irregularis Maunalei, near valley Preserved_Specimen Munro, G.C. 256 Lanai BISH 1928-01-07
103 Pteris irregularis Kuaokala: Kaena: Haili Gulch Found occasionally in shady kukui forest. Preserved_Specimen Egler, F.E. 37132 Oahu BISH 1937-07-17
104 Pteris irregularis East Maui, N outer slope of Haleakala, 2 miles N of Paliku Cabins On shaded floor of rain forest below Puu Alaea; with distinctive dark brown stipe; with Metrosideros, Pelea, Dryopteris, Sadleria, Athyrium. etc. Preserved_Specimen Henrickson, J.S. 3687 Maui BISH 1969-06-22
105 Pteris irregularis Waianae Mountain Range: Mokuleia: West branch, east Makaleha Stream, in side gulch Open Place in steep slope forest of Diospyros ferrea. Near large Drypetes tree. Preserved_Specimen Hatheway, W.H. 394 Oahu BISH 1950-09-30
106 Pteris irregularis Honaunau FR, 2.8 mi to upper gate, N side of road rain forest; with Cibotium, hardwoods, ferns, liverworts Preserved_Specimen Herbst, D.R. 1794 Hawaii BISH 1970-07-16
107 Pteris irregularis W Maui, Lahaina District, Rain forest summit of Lihau Peak In shady gullies in dense forest understory in damp gully. Preserved_Specimen Erect fern 4 feet tall. Hobdy, R.W. 830 Maui BISH 1980-05-17
108 Pteris irregularis Kipahulu Valley, NE ridge from central ridge to floor wet soil near foot of pali Preserved_Specimen DeWreede, R.E. 31 Maui BISH 1967-08-19
109 Pteris irregularis Wailupe Clay flats at oxbow deflection in stream. In Metrosideros-Diospyros forest, uncommon terrestrial under tall groundcover of Athyrium macraei. Preserved_Specimen Sterile fronds only. Takeuchi, W.N. 3835 Oahu BISH 1988-04-16
110 Pteris irregularis Paa iki valley grove of Aleurites Preserved_Specimen Cranwell, L.M. 2918 Kauai BISH 1938-08-14
111 Pteris irregularis Hanalei District. Kahuamea Flat. Metrosideros-Cheirodendron-Dicranopteris montane wet forest with Kadua affinis, Dodonaea viscosa, Planchonella sandwicensis, Polyscias waimeae, P. waialealae, Melicope clusiifolia, Ilex anomala, Bobea brevipes, Nestegis sandwicensis, Scaevola procera, Claoxylon Preserved_Specimen Fern, terrestrial, rhizome creeping, fretile, uncommon Wood, K.R. 18234 Kauai BISH 2019-07-02
112 Pteris irregularis Koolau Mountain Range: Puu Peahinaia; Paalaa-Kawailoa Divide Side of a low wet ridge. Preserved_Specimen Hashimoto, E.Y. Oahu BISH 1931-10-04
113 Pteris irregularis Kawaiiki Ridge, above Koaie twin falls Metrosideros-Acacia mesic forest. W/Dodonaea, Santalum freycinetianum, Kadua affinis, Xylosma hawaiiensis, Pouteria sandwicensis, Antidesma platyphylla, Zanthoxylum dipetalum, Melicope ovata, M. barigera, Poa sandwicensis, Gahnia be(truncated) common with P. hillebrandii, P. credica Preserved_Specimen terrestrial with decumbent rhizome, stipes light brown, plants clustered, fronds stiffly erect Wood, K.R. 13866 Kauai BISH 2009-08-01
114 Pteris irregularis Kokee, Kaunuohua mesic, summer dry forest; on moist, shaded floor Preserved_Specimen Herbst, D.R. 2169 Kauai BISH 1971-10-01
115 Pteris irregularis Kaua Fern-rich slopes; common in mesic forest with cretica 3552 and excelsa 3551. Best occurrences seem correlated to slope sections with rubble rock. Preserved_Specimen Takeuchi, W.N. 3555 Oahu BISH 1987-05-16
116 Pteris irregularis Kau, Moaula Gulch wet shaded fern forest Preserved_Specimen 2.5' erect fern; rhizomes short, recumbent Russ, G.W. 72 Hawaii BISH 1927-06-01
117 Pteris irregularis Hanalei District. Kahuamaa Flat. Metrosideros-Cheirodendron-Dicranopteris montane wet forest w/ Kadua affinis, Dodonaea viscosa, Planchonella sandwicensis, Polyscias waimeae, P. waialealae Meliope clusiifolia, Ilex anomala Bobea brevipes, Nestegis sandwicensis Scaevola procera, Claoxylon Preserved_Specimen Fern, terrestrial, rhizome creeping, fertile, uncommon. Wood, K.R. 18234 Kauai BISH 2019-07-02
118 Pteris irregularis Hawaii wet jungle Preserved_Specimen Wiebke, H. Hawaii BISH 1926-07-24
119 Pteris irregularis W Maui, Lihau Montane Ohia Mixed Wet Forest. Near the summit of Lihau with Metrosideros, Coprosma, Broussaisia, Cibotium, Cyrtandra, Diplazium spp., Marattia, Microlepia and Dryopteris spp. Preserved_Specimen Welton, P. 984 Maui BISH 1991-07-09
120 Pteris irregularis East Maui, Waihoi Valley, along unnamed stream on N side of valley Under a bank of uluhe. Preserved_Specimen Harrison, B. 109 Maui BISH 1972-07-26
121 Pteris irregularis East Maui, Hana District, Kaupo District, Manawainui Canyon Forests above the canyon. In moist shady ravines. Preserved_Specimen Differs from P. excelsa in having a partially winged stipe. Ferns 4 feet tall Hobdy, R.W. 677 Maui BISH 1979-10-11
122 Pteris irregularis Honaunau FR, 2.8 mi to upper gate, N side of road rain forest; with Cibotium, hardwoods, ferns, liverworts Preserved_Specimen Herbst, D.R. 1794 Hawaii BISH 1970-07-16
123 Pteris irregularis Maui upper trail along stream Preserved_Specimen Munro, G.C. Maui BISH 1908-12-17
124 Pteris irregularis Oahu woods and deep gulches Preserved_Specimen Judd, J.R. 46 Oahu BISH 1888-01-01
125 Pteris irregularis Oahu Wet, sides of ridges. Preserved_Specimen Mann, H. 162 Oahu BISH 1864-01-01
126 Pteris irregularis W Maui, Waikapu Canyon Growing in forest understory on steep slope. Preserved_Specimen Hobdy, R.W. 1680 Maui BISH 1982-09-09
127 Pteris irregularis Kipahulu, ridge right side of Preserved_Specimen Forbes, C.N. 1700 Maui BISH 1919-11-20
128 Pteris irregularis Ridges above Makaha Valley Preserved_Specimen MacDaniels, L.H. 576 Oahu BISH 1927-01-31
129 Pteris irregularis Waianae, im Wald Preserved_Specimen Bis 1 m hoch. Meebold, A. 8535 Oahu BISH 1930-02-01
130 Pteris irregularis Koolau Mountain Range: Waipio: Kipapa Gulch, 2nd north fork Fairly moist gully. Preserved_Specimen Hosaka, E.Y. 590 Oahu BISH 1932-06-26
131 Pteris irregularis Halemanu Preserved_Specimen Rock, J.F.C. 2272 Kauai BISH 1909-02-14
132 Pteris irregularis W Maui, Hanaula, Pohakea Gulch Preserved_Specimen Plant 3-4 feet tall. Hobdy, R.W. 535 Maui BISH 1979-05-10
133 Pteris irregularis Halemanu Preserved_Specimen Rock, J.F.C. 2274 Kauai BISH 1909-02-14
134 Pteris irregularis Kaholuamanu Preserved_Specimen Rock, J.F.C. 1442 Kauai BISH 1909-03-03
135 Pteris irregularis Maui Preserved_Specimen Baldwin, D.D. Maui BISH 1879-01-01
136 Pteris irregularis Kaua Preserved_Specimen UH student Oahu BISH 1958-04-26
137 Pteris irregularis Kona, Kealapuali Preserved_Specimen Forbes, C.N. 301 Hawaii BISH 1911-07-01
138 Pteris irregularis Napali Coast, Hanakapiai Preserved_Specimen St.John, H. 10989 Kauai BISH 1931-01-02
139 Pteris irregularis Waimea Drainage Basin, W side Preserved_Specimen Forbes, C.N. 1084 Kauai BISH 1917-07-03
140 Pteris irregularis Maui Preserved_Specimen Bailey, E. Maui BISH
141 Pteris irregularis Waimea Drainage Basin, W side Preserved_Specimen Forbes, C.N. 1084 Kauai BISH 1917-07-03
142 Pteris irregularis W Maui, Olowalu Valley, far up head on left side, up left-hand stream Preserved_Specimen Fronds brittle. Forbes, C.N. 2401 Maui BISH 1920-05-17
143 Pteris irregularis canyon E of Iao Needle Preserved_Specimen Hobdy, R.W. 2051 Maui BISH 1984-03-31
144 Pteris irregularis Makaha Valley, Waianae Mts Preserved_Specimen St.John, H. 11603 Oahu BISH 1932-04-03
145 Pteris irregularis Ridges S of Halawa Valley Preserved_Specimen Forbes, C.N. 510 Molokai BISH 1912-08-01
146 Pteris irregularis unknown Preserved_Specimen Hillebrand, W.B. BISH
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