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Pityrogramma calomelanos

(L.) Link (1833)

This name is accepted

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

dixie silverback fern, silverback fern, silverfern

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Sori:

Gametophyte:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Ni'ihau(Incl. Lehua) Naturalized
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Naturalized
Kaho'olawe Not in flora
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Bibliography

Name Published In: Handb. Gewächsk. 3: 20 (1833)

Other References

Palmer 2003:209 (Ni, K, O, Mo, L, M, Ka, H); Staples & Herbst 2005:51 (DESCR); Degener 28519 NY (L†, 1963); Note: no BISH spms. from Ka, as of Mar 2025

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Pityrogramma calomelanos Kau District: Moaula Terrestrial erect. Sides of dry gulches. Dry open exposed places. Very common in Hawaii. Preserved_Specimen Russ, G.W. 101 Hawaii BISH 1927-08-01
2 Pityrogramma calomelanos Wainiha Valley On cut side-bank of road. The silver fern is equally as common as the gold fern along the road here. Preserved_Specimen Wilson, K.A. 237 Kauai BISH 1952-12-31
3 Pityrogramma calomelanos Koolau Range: Manoa Valley, Manoa Road above Paradise Park On roadside bank with Thelypteris and Nephrolepis. Preserved_Specimen Wilson, K.A. 2357 Oahu BISH 1993-02-21
4 Pityrogramma calomelanos Waimanalo Windy side of Oahu. Preserved_Specimen Kerr, M. Oahu BISH 1945-06-04
5 Pityrogramma calomelanos Kahana Valley Project: along the trail on the Kawa side of the valley. Pass the main gate Along the border of marsh land in open area near guava plantation. Common. Preserved_Specimen Herat, T. 153 Oahu BISH 1972-08-14
6 Pityrogramma calomelanos Keopukaloa Bottom of dry gulch. Preserved_Specimen St.John, H. 12738 Molokai BISH 1932-12-27
7 Pityrogramma calomelanos Haao Valley On basalt cliff of small gorge. Preserved_Specimen St.John, H. 23639 Niihau BISH 1949-04-01
8 Pityrogramma calomelanos Windward Oahu: Castle Estate below Pali Highway; Maunawili Valley Volcanic soil. Preserved_Specimen Stemmermann, R.L. 431 Oahu BISH 1973-08-19
9 Pityrogramma calomelanos East Maui, Kaeleku, on road to Hana Airport Disturbed Pandanus forest. Assoc. veg.: Pandanus tectorius, Ipomoea indica, Carica papaya, Spathodea campanulata, Psidium guajava, Pteris vittata, Nephrolepis multiflora. Preserved_Specimen Oppenheimer, H.L. 311 Maui BISH 1998-06-21
10 Pityrogramma calomelanos Kau District. Along the trail leading from Hilina Pali shelter area to Kipuka Pepeiou Near stream bed area. Growing on lava rock in open area. Common. Preserved_Specimen Herat, T. 792 Hawaii BISH 1975-06-27
11 Pityrogramma calomelanos Waianae Mountains: Honouliuli, Puu Kaua, East Kahanui Gulch On rock on side of grassy trail. Preserved_Specimen Tsuji, N. Oahu BISH 1932-11-06
12 Pityrogramma calomelanos Haena By road. Preserved_Specimen Smith, F.G. Kauai BISH 1929-04-29
13 Pityrogramma calomelanos Koolau Mountains: Punaluu Valley Edge of cane field. Preserved_Specimen Hume, E.P. 436 Oahu BISH 1931-12-21
14 Pityrogramma calomelanos Puna District: Pahoa Old cut bank. Preserved_Specimen Fosberg, F.R. 10079 Hawaii BISH 1933-08-27
15 Pityrogramma calomelanos On Koolau Mountain Range: along Laie Ridge Trail, approx. 0.25 mile from the beginning of the trail Growing in guava plant community. Common. Preserved_Specimen Herat, T. 360 Oahu BISH 1973-06-28
16 Pityrogramma calomelanos Waianae Mountains: near Kunia; Puuhapapa Central Gulch; Puukaneaa Trail Growing in shaded bank under Aleurites moluccana canopy. Preserved_Specimen Yee, R.S.N. 26 Oahu BISH 1971-08-17
17 Pityrogramma calomelanos Koolau Range: Manoa Valley, Manoa Road above Paradise Park On roadside bank with Thelypteris and Nephrolepis. Preserved_Specimen Wilson, K.A. 2357 Oahu BISH 1993-02-21
18 Pityrogramma calomelanos Drive to end of Hilina Pali Road and plant was on the Hilina Pali Switchback trail Very open Metrosideros-Diospyros forest. Preserved_Specimen Newell, C.L. 260 Hawaii BISH 1966-08-02
19 Pityrogramma calomelanos Haiku Kuaha High bank under pandanus. Preserved_Specimen Woolford, H.A. 144 Maui BISH 1955-12-26
20 Pityrogramma calomelanos Kipapa Gulch. In pineapple field. Preserved_Specimen Hosaka, E.Y. 885 Oahu BISH 1932-12-19
21 Pityrogramma calomelanos Waimea: Milolii Ridge Moist woods. Preserved_Specimen St.John, H. 13760 Kauai BISH 1933-12-27
22 Pityrogramma calomelanos Honolulu: Manoa Valley; Lyon Arboretum; steep bank of road opposite Cottage F Fairly open, well-drained. Preserved_Specimen Baker, R.F. 96 Oahu BISH 1975-04-26
23 Pityrogramma calomelanos Puna Iilewa 1955 lava flow. Preserved_Specimen Doty, M.S. 17182 Hawaii BISH 1958-12-30
24 Pityrogramma calomelanos Wahiawa, National Guard Armory, 95-550 S. Kamehameha Hwy, Wahiawa District cultivated fern Preserved_Specimen Herbst, D.R. 9761 Oahu BISH 1996-04-26
25 Pityrogramma calomelanos PTBG Kahanu Garden, Kalahu Pt., Hana Disturbed area between Pandanus forest and lawn area around Pi`ilanihale Heiau. Preserved_Specimen Flynn, T.W. 2442 Maui BISH 1987-10-15
26 Pityrogramma calomelanos W Maui, Lahaina District, S of Paupau Along a dirt road in a canefield. Preserved_Specimen Oppenheimer, H.L. 69801 Maui BISH 1998-06-28
27 Pityrogramma calomelanos Center of Honolulu: Kapiolani Boulevard; Princess Leilani Condominium Full sun. Growing among Portulaca sp. in bed. Preserved_Specimen Yee, R.S.N. 31 Oahu BISH 1971-10-21
28 Pityrogramma calomelanos Moloaa On bare, cut-bank along road side. Preserved_Specimen Herbst, D.R. 1071 Kauai BISH 1968-04-21
29 Pityrogramma calomelanos Middle Lawn Makai. Honolulu: Manoa Valley; Lyon Arboretum; steep bank of road opposite Cottage F Fairly open, well-drained. Preserved_Specimen Baker, R.F. 96 Oahu BISH 1975-04-26
30 Pityrogramma calomelanos Makaopuhi Crater, on 1923 lava flow. Near steam crack Preserved_Specimen Giffard, W.M. 327 Hawaii BISH 1928-06-01
31 Pityrogramma calomelanos Honolulu: Kapalama; Bernice P. Bishop Museum grounds In pot in greenhouse area. Preserved_Specimen Wilson, K.A. 1755 Oahu BISH 1989-07-19
32 Pityrogramma calomelanos Nuuanu Pali: road to Moist cut of road. Preserved_Specimen Gillespie, J.W. 1041 Oahu BISH 1927-07-01
33 Pityrogramma calomelanos East Maui, 'behind' Honomanu Valley, 'before' Manuanua (?) Valley at Hwy. 36 Preserved_Specimen Krajina, V.J. 620420040 Maui BISH 1962-04-20
34 Pityrogramma calomelanos At Scenic Point lookout along Highway 13 north of Kalapana Preserved_Specimen Teraoka, W. 141 Hawaii BISH 1979-09-27
35 Pityrogramma calomelanos At Scenic Point lookout along Highway 13 north of Kalapana Preserved_Specimen Teraoka, W. 141 Hawaii BISH 1979-09-27
36 Pityrogramma calomelanos Waimea Preserved_Specimen Stone, B.C. 843 Kauai BISH 1955-06-19
37 Pityrogramma calomelanos Punaluu Valley Preserved_Specimen Rock, J.F.C. 13 Oahu BISH 1908-08-01
38 Pityrogramma calomelanos Puna: in fissure near and North of Puuloa, in Panau Nui Preserved_Specimen Stone, B.C. 3025 Hawaii BISH 1959-07-09
39 Pityrogramma calomelanos S. Kona; S.W. slopes of Mauna Loa; 1856 flow Preserved_Specimen Krajina, V.J. 611228044 Hawaii BISH 1961-12-28
40 Pityrogramma calomelanos East Maui, Hana District, Manawainui, Ulupalakua-Hana road, Manawainui gulch Preserved_Specimen Chock, A.K. 333 Maui BISH 1951-12-26
41 Pityrogramma calomelanos Lihue: Mauka Gap Preserved_Specimen Forbes, C.N. 1 Kauai BISH 1909-07-08
42 Pityrogramma calomelanos Honolulu: Manoa Valley; Manoa Arb. [Lyon Arboretum, Haukulu Preserved_Specimen Russell, P. 67 Oahu BISH 1932-07-11
43 Pityrogramma calomelanos Lihue: Mauka Gap Preserved_Specimen Forbes, C.N. 1 Kauai BISH 1909-07-08
44 Pityrogramma calomelanos Mt. Tantalus Preserved_Specimen Topping, D.L. 2694 Oahu BISH 1923-07-21
45 Pityrogramma calomelanos Waikane-Waiahole Trail Preserved_Specimen Topping, D.L. 2735 Oahu BISH 1923-12-16
46 Pityrogramma calomelanos Nuuanu Pali Grade Preserved_Specimen Forbes, C.N. Oahu BISH 1908-01-01
47 Pityrogramma calomelanos Kilauea Crater Preserved_Specimen Meebold, A. Hawaii BISH 1932-05-01
48 Pityrogramma calomelanos Kilauea Preserved_Specimen Forbes, C.N. Hawaii BISH 1908-09-01
49 Pityrogramma calomelanos Foot of plateau, SE Preserved_Specimen Stokes, J.F.G. Niihau BISH 1912-01-01
50 Pityrogramma calomelanos Foot of plateau, SE Preserved_Specimen Stokes, J.F.G. Niihau BISH 1912-01-01
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