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Cystopteris douglasii var. sandwicensis

(Brack.) Miles K.Thomas (2023)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Polypodiales Family: Cystopteridaceae Genus: Cystopteris

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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

Natural History

Statewide Status

Endemic

Island Status

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

Dispersal Agents


Specimens

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Bibliography

Name Published In: Amer. Fern J. 113(3): 212 (2023)

Other References

Palmer 2003:108 (K, O, L, WM [as C. sandwicensis]); Thomas & Gallaher 2023:212 (COMBNOV/STATNOV, Syn. C. sandwicensis = C. d. var. sandwicensis); Hank Oppenheimer pers. obs./Munro 170 BISH (L†, 1913)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Cystopteris douglasii var. sandwicensis Waianae Mountains: Honouliuli; Pohakea Pass Base of cliff. Preserved_Specimen Fosberg, F.R. 9499 Oahu BISH 1933-05-12
2 Cystopteris douglasii var. sandwicensis Makaha Valley, behind Kokio Keokeo shelter, in Acacia Koa In Acacia koa - Metrosideros mesic forest with Psychotria greenwelliae, Alphitonia ponderosa, Tetraplasandra kauaiensis, Hedyotis knudsenii, Zanthoxylum dipetalum, Dodonaea viscosa, Nothocestrum peltatum, Coprosma waimeae, Pittosporum glabrum, Pouteria sandwicensis, Rubus argutus, Bidens cosmoides, Passiflora mollissima, Myrsine lanaiensis Preserved_Specimen Wood, K.R. 5036 Kauai BISH 1996-03-07
3 Cystopteris douglasii var. sandwicensis East Maui, N slope of Haleakala, Keanae gap, Halehaku On waterfall and wet cliffs. Preserved_Specimen Forbes, C.N. 1005 Maui BISH 1919-08-02
4 Cystopteris douglasii var. sandwicensis Waimea District: Makaha Ridge and Valley; north rim just before facility In forested area; Eragrostis Lowland Dry Shrub & Acacia-Metrosideros Mesic Forest with Dodonaea, Bidens, Artemesia, & Antidesma, Alphitonia, Coprosma, Carex, Schiedea. Major Threats: Erigeron karvinskianus, Pluchea symphytifolia. In forested area threats were Lantana camara, Rubus rosifolius, Psidium guajava. Terrestrial in fine black soil mixed with brown clay and leaf litter; rare in area. Preserved_Specimen Wood, K.R. 2226 Kauai BISH 1993-01-02
5 Cystopteris douglasii var. sandwicensis East Maui, Koolau Gap along Waikau Trail in a large lava tube Growing in damp shade along with Polystichum hillebrandii, Elaphoglossum hirtum var. micans, Pteris cretica and Polypodium pellucidum. Preserved_Specimen Hobdy, R.W. 2280 Maui BISH 1985-02-09
6 Cystopteris douglasii var. sandwicensis East Maui, Honomanu E gulch, Waikamoi, 240 deg W aspect Metrosideros, Perrottetia sandwicensis, Diplazium sandwichianum, Gunnera, Pipturus, Dryopteris wallichiana, Pteris excelsa, Sadleria, Asplenium, Scaevola chamissoniana, Touchardia latifolia, Labordia hirtella, Astelia, Hedyotis hillebrandii, Clermontia tuberculata; concave walls with Thelypteris sandwicensis, Diplazium, Pteris excelsa Preserved_Specimen Wood, K.R. 6641 Maui BISH 1997-08-27
7 Cystopteris douglasii var. sandwicensis Waimea District, Kawai'iki, off Kaluakaulu ridge, upper forest and drainage to the south of Koai'e and north of Waialae Metrosideros polymorpha mixed mesic forest w/ Dubautia laevigata, Hedyotis terminalis, Cheirodendron trigynum, Dianella sandwicensis, Poa sandwicensis, Bidens cosmoides, Peperomia membranacea. Preserved_Specimen Wood, K.R. 9009 Kauai BISH 2001-06-28
8 Cystopteris douglasii var. sandwicensis Oahu or Hawaii (Kona or Kilauea) Preserved_Specimen Lack, F. BISH 1880-01-01
9 Cystopteris douglasii var. sandwicensis Maui, Oahu Preserved_Specimen (Not on sheet) BISH
10 Cystopteris douglasii var. sandwicensis East Maui, Makawao Preserved_Specimen Hillebrand, W.B. Maui BISH
11 Cystopteris douglasii var. sandwicensis Hawaii, Maui, and Oahu Preserved_Specimen (Not on sheet) BISH
12 Cystopteris douglasii var. sandwicensis Mahana Valley Preserved_Specimen Munro, G.C. 170 Lanai BISH 1913-10-20
13 Cystopteris douglasii var. sandwicensis unknown Preserved_Specimen (Not on sheet) BISH
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