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Diplazium arnottii

Brack. (1854)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Polypodiales Family: Athyriaceae Genus: Diplazium

hō‘i‘o, pohole (Maui)

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: U.S. Expl. Exped., Filic. 16: 144. 1854; NPfl. 226 (1854)

Other References

Palmer 2003:123 (K, O, Mo, L, M, H); Faccenda, Arthur, et al. 2025:163 (remove K [no evidence of presence]); Hank Oppenheimer pers. obs./Wood 12056 PTBG (L†, 2006)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Diplazium arnottii Kawaiiki Ditch Trail lower slopes, secondary channels with kukui overstory Preserved_Specimen Takeuchi, W.N. Oahu BISH 1987-01-01
2 Diplazium arnottii Kaohe 1-3 Ahupuaa, South Kona Forest Reserve, South Kona District Growing in large collapsed lava tube skylight. Growing with Metrosideros polymorpha, Acacia koa, Cheirodendron trigynum subsp. Trigynum, Myrsine lessertiana, Ilex anomala, Pilea peploides, Diplazium sandwichianum, Dryopteris wallichiana. Growing at the bottom of collapsed lava tube. Preserved_Specimen VanDeMark, J. 42 Hawaii BISH 2020-08-04
3 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest. Near the summit of Lihau with Metrosideros, Coprosma, Broussaisia, Cibotium, Cyrtandra, Diplazium spp., Marattia and Dryopteris spp. Preserved_Specimen Welton, P. 1009 Maui BISH 1991-07-09
4 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest Preserved_Specimen Welton, P. 1251 Maui BISH 1991-08-26
5 Diplazium arnottii Kalihi Valley, NW ridge to Kahuauli, Koolau Range. Wooded ridge. Preserved_Specimen Hume, E.P. 481 Oahu BISH 1931-01-12
6 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest Preserved_Specimen Welton, P. 1009 Maui BISH 1991-07-09
7 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest Preserved_Specimen Welton, P. 1252 Maui BISH 1991-08-26
8 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest. Under a canopy of Metrosideros and Cheirodendron, with Broussaisia, Coprosma, Perrottetia, Clermontia arborescens, Freycinetia, Ilex, Cyrtandra, Hedyotis, Psychotria, Scaevola, Labordia, Myrsine and a diversity of native ferns Preserved_Specimen Welton, P. 1251 Maui BISH 1991-08-26
9 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest Preserved_Specimen Welton, P. 1009 Maui BISH 1991-07-09
10 Diplazium arnottii Kawaiiki Ditch Trail lower slopes, secondary channels with kukui overstory Preserved_Specimen Takeuchi, W.N. Oahu BISH 1987-01-01
11 Diplazium arnottii Helemano, Northern Koolau Mountains. Ahupuaa of Paalaa uka. Moku of Waialua Growing in small gully in wet forest dominated by Metrosideros, Dicranopteris, Sadleria, Cibotium, Kadua, Psychotria, Melicope, Bobea, Syzygium, and others. Preserved_Specimen Thomas, M.K. 302 Oahu BISH 2022-03-30
12 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest. Under a canopy of Metrosideros and Cheirodendron, with Broussaisia, Coprosma, Perrottetia, Clermontia arborescens, Freycinetia, Ilex, Cyrtandra, Hedyotis, Psychotria, Scaevola, Labordia, Myrsine and a diversity of native ferns Preserved_Specimen Welton, P. 1252 Maui BISH 1991-08-26
13 Diplazium arnottii W Maui, Lahaina District, Lihau Lowland Ohia Mixed Mesic Forest. [In a gulch between two southern ridges with Metrosideros, Coprosma, Dodonaea, Myrsine, Pelea, Charpentiera, Alyxia, Hedyotis, Vaccinium, Santalum freycinetianum var. lanaiense, Astelia, Smilax, Pouteria, Nestegis, native ferns and sedges = this data is not found on the specimen label and it is not clear what the source is] Preserved_Specimen Welton, P. 1518 Maui BISH 1992-01-11
14 Diplazium arnottii Waiakeakua Gulch forest Preserved_Specimen Degener, O. 20299 Lanai BISH 1949-08-04
15 Diplazium arnottii W Maui, Lahaina District, Lihau Montane Ohia Mixed Wet Forest Preserved_Specimen Welton, P. 1251 Maui BISH 1991-08-26
16 Diplazium arnottii Kipapa Gulch, Waipio, S ridge, Koolau Mts moist gully Preserved_Specimen Hosaka, E.Y. 519 Oahu BISH 1932-05-15
17 Diplazium arnottii W Maui, Lahaina District, Lihau Lowland Ohia Mixed Mesic Forest Preserved_Specimen Welton, P. 1518 Maui BISH 1992-01-11
18 Diplazium arnottii S ridge of Kipapa Gulch, Waipio, Koolau Mts., E of Puu Kamana moist gulch Preserved_Specimen St.John, H. 11656 Oahu BISH 1932-05-15
19 Diplazium arnottii Western Piinaau headwaters Metrosideros montane wet forest below subalpine shrubland and montane mesic forest. W/ Cheirodendron, Rubus hawaiiensis, Ilex, Myrsine lessertiana, Sadleria cyatheoides, Coprosma montana, Atherium microphyllum, Lycopodium venustulum, Polypodium pellucidum, Polystichum bonseyi, Dryop Preserved_Specimen Wood, K.R. 14232 Maui BISH 2010-06-08
20 Diplazium arnottii Kaluanui, Northern Koolau Mountains Along Koolau summit in wet/cloud forest dominated by Metrosideros, Kadua, Melicope, Psychotria, Syzygium, and Myrsine. Also growing with Athyrium microphyllum, Dryopteris fuscoatra, Elaphoglossum fauriei, Bazzania cordistipula, Campylopus sp., Leucobryum seemannii, Vaccinium dentatum, Machaerina angustifolia, Miconia crenata, Deparia petersenii, Cibotium glaucum, Sadleria squarrosa, and others. Preserved_Specimen Thomas, M.K. 118 Oahu BISH 2021-09-01
21 Diplazium arnottii Helemano, Northern Koolau Mountains. Ahupuaa of Paalaa uka. Moku of Waialua. Growing in small gully in wet forest dominated by Metrosideros, Dicranopteris, Sadleria, Cibotium, Kadua, Psychotria, Melicope, Bobea, Syzygium, and others. Preserved_Specimen Thomas, M.K. 302 Oahu BISH 2022-03-30
22 Diplazium arnottii Puu Hapapa, Waianae Range. Dry, wooded slope. Preserved_Specimen Hume, E.P. 383 Oahu BISH 1931-12-01
23 Diplazium arnottii Kipapa Gulch, Waipio, S ridge, Koolau Mts moist woods Preserved_Specimen Hosaka, E.Y. 917 Oahu BISH 1933-03-05
24 Diplazium arnottii Western Piinaau headwaters Metrosideros montane wet forest below subalpine shrubland and montane mesic forest. W/ Cheirodendron, Rubus hawaiiensis, Ilex, Myrsine lessertiana, Sadleria cyatheoides, Coprosma montana, Atherium microphyllum, Lycopodium venustulum, Polypodium pellucidum, Polystichum bonseyi, Dryop Preserved_Specimen Wood, K.R. 14232 Maui BISH 2010-06-08
25 Diplazium arnottii Kawaiiki Ditch Trail lower slopes, secondary channels with kukui overstory Preserved_Specimen Takeuchi, W.N. Oahu BISH 1987-01-01
26 Diplazium arnottii Wailupe kukui zone, edge of landslip, with Cibotium and Freycinetia Preserved_Specimen Takeuchi, W.N. 3837 Oahu BISH 1988-04-16
27 Diplazium arnottii Mt. Tantalus Preserved_Specimen Topping, D.L. 2658 Oahu BISH 1923-06-03
28 Diplazium arnottii Bryan's Mt. House Trail at Grant Boundary Preserved_Specimen Krajina, V.J. 620520039 Oahu BISH 1962-05-20
29 Diplazium arnottii Lanaihale. Preserved_Specimen Munro, G.C. 560 Lanai BISH 1930-09-30
30 Diplazium arnottii Kahuku Forest Reserve; Summit Trail. 21.6N 157.9W Preserved_Specimen Krajina, V.J. 611110032 Oahu BISH 1961-11-10
31 Diplazium arnottii East Maui, Lower Shelf of Kipahulu Valley near Palikea Camp Preserved_Specimen Welton, P. 2086001 Maui BISH 1999-10-28
32 Diplazium arnottii West Wailua Iki Stream Gulch at Hwy. 36 20.8N 156.1W Preserved_Specimen Krajina, V.J. 620420032 Maui BISH 1962-04-20
33 Diplazium arnottii East Maui, Upper Shelf headwalls and drainages of Kipahulu Valley near mauka ridge Preserved_Specimen Welton, P. 1981 Maui BISH 1997-09-25
34 Diplazium arnottii East Maui, Lower Shelf of Kipahulu Valley near Palikea Camp Preserved_Specimen Welton, P. 2086001 Maui BISH 1999-10-28
35 Diplazium arnottii Kalanilehua, Olaa. Preserved_Specimen Giffard, W.M. Hawaii BISH 1927-07-22
36 Diplazium arnottii W Maui, Lahaina District, Lihau Peak Preserved_Specimen Hobdy, R.W. 2419 Maui BISH 1985-07-27
37 Diplazium arnottii [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Lay, G.T. Oahu BISH 1826-01-01
38 Diplazium arnottii East Maui, above upper ditch. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-12
39 Diplazium arnottii Tantalus Preserved_Specimen Pahu Oahu BISH 1902-08-19
40 Diplazium arnottii Manoa, Kapukaawapuhi [Pauoa Flats]. Preserved_Specimen Lyon, H.L. Oahu BISH 1926-11-23
41 Diplazium arnottii East Maui, above upper ditch. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-12
42 Diplazium arnottii East Maui, above upper ditch. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-12
43 Diplazium arnottii Tantalus ridge. Preserved_Specimen Lyon, H.L. Oahu BISH 1909-09-05
44 Diplazium arnottii Tantalus ridge. Preserved_Specimen Lyon, H.L. Oahu BISH 1909-09-05
45 Diplazium arnottii East Maui, above upper ditch. Preserved_Specimen Lyon, H.L. Maui BISH 1908-12-12
46 Diplazium arnottii Tantalus Preserved_Specimen Pahu Oahu BISH 1902-09-09
47 Diplazium arnottii Hawaiian Islands Preserved_Specimen Liliuokalani BISH
48 Diplazium arnottii Preserved_Specimen C.W. Seelye BISH
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