naturalizedPolypodiaceae
Platycerium bifurcatum
Elkhorn fern
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Platycerium bifurcatum, the elkhorn fern or staghorn fern, is a species of fern native to Java, New Guinea and southeastern Australia, in New South Wales, Queensland and on Lord Howe Island. It is a bracket epiphyte occurring in and near rainforests. Growing to 90 cm (35 in) tall by 80 cm (31 in) broad, it has heart-shaped sterile fronds 12–45 cm (5–18 in) long, and arching grey-green fertile fronds which are forked and strap-shaped, and grow up to 90 cm (35 in) long.
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Seasonality
Only 0 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Gallery · 3 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 50 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 195 · GBIF 212 records
Honolulu · OʻahuiNat 62 · GBIF 65 ✓
Waikīkī · OʻahuiNat 45 · GBIF 48 ✓
Waiākea · HawaiʻiiNat 17 · GBIF 14 ✓
Waimea · OʻahuiNat 8 · GBIF 6 ✓
Waipouli · KauaʻiiNat 5 · GBIF 6 ✓
Waiʻanae · OʻahuiNat 5 · GBIF 5 ✓
Kāneʻohe · OʻahuiNat 6 · GBIF 4 ✓
Makawao · MauiiNat 2 · GBIF 8 ✓
Wailua · KauaʻiiNat 6 · GBIF 3 ✓
Papaʻanui · MauiiNat 3 · GBIF 5 ✓
Hanalei · KauaʻiiNat 3 · GBIF 5 ✓
Nāmāhana · KauaʻiiNat 3 · GBIF 3 ✓
Ponahawai · HawaiʻiiNat 2 · GBIF 3 ✓
Wahiawa · KauaʻiiNat 3 · GBIF 2 ✓
Kahaluʻu · OʻahuiNat 3 · GBIF 2 ✓
Kahaliʻi · HawaiʻiiNat 2 · GBIF 2 ✓
Kalāheo · KauaʻiiNat 1 · GBIF 3 ✓
Kalihiwai · KauaʻiiNat 2 · GBIF 1 ✓
Paeahu · MauiiNat 1 · GBIF 2 ✓
Kaʻauhuhu · HawaiʻiiNat 1 · GBIF 1 ✓
Puʻukapu · HawaiʻiiNat 1 · GBIF 1 ✓
Kūkūau 2 · HawaiʻiiNat 1 · GBIF 1 ✓
Haʻikū · KauaʻiiNat 1 · GBIF 1 ✓
Kailua · OʻahuiNat 1 · GBIF 1 ✓
Waiakoa · MauiiNat 1 · GBIF 1 ✓
Kapaʻa · KauaʻiiNat 1 · GBIF 1 ✓
West Honomāʻele · MauiiNat 1 · GBIF 1 ✓
Lāwai · KauaʻiGBIF 2
Kāhili · KauaʻiiNat 1
Honouliuli · OʻahuiNat 1
Mākao · OʻahuiNat 1
Heʻeia · OʻahuiNat 1
ʻAlae 1-2 · MauiiNat 1
Pūehuehunui · MauiiNat 1
Kamoku · LānaʻiiNat 1
Hanamāʻulu · KauaʻiGBIF 1
Punahoa 2 · HawaiʻiGBIF 1
Weliweli · KauaʻiGBIF 1
ʻŌmaʻopio · MauiGBIF 1
Keahialaka · HawaiʻiGBIF 1
Onomea · HawaiʻiGBIF 1
Wainiha · KauaʻiGBIF 1
Keaʻau · HawaiʻiGBIF 1
Malaekahana · OʻahuGBIF 1
Moanalua · OʻahuGBIF 1
ʻAiea · OʻahuGBIF 1
Kalihi · OʻahuGBIF 1