naturalizedPteridaceae
Adiantum raddianum
Delta Maidenhair Fern
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Adiantum raddianum, the Delta maidenhair fern, is one of the most popular ferns to grow indoors. Its common name comes from its shiny, dark leafstalks that resembles human hair. The triangular fronds are semi-erect in the beginning then droop gracefully as they age and can be up to 12 inches (30 cm) long by 6 inches (15 cm) wide.
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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 · 9 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 66 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 198 · GBIF 295 records
Waikīkī · OʻahuiNat 33 · GBIF 52 ✓
Honolulu · OʻahuiNat 25 · GBIF 39 ✓
Keaʻau · HawaiʻiiNat 26 · GBIF 31 ✓
Keauhou · HawaiʻiiNat 15 · GBIF 26 ✓
Hāʻena · KauaʻiiNat 17 · GBIF 20 ✓
Hanakāpīʻai · KauaʻiiNat 7 · GBIF 18 ✓
Wailua · KauaʻiiNat 6 · GBIF 6 ✓
Kahaluʻu · OʻahuiNat 6 · GBIF 6 ✓
Honopou · MauiiNat 5 · GBIF 6 ✓
ʻAlaeiki · MauiiNat 3 · GBIF 6 ✓
Honomū, Kuhua · HawaiʻiiNat 6 · GBIF 3 ✓
Kahakuloa · MauiiNat 2 · GBIF 6 ✓
Ponahawai · HawaiʻiiNat 3 · GBIF 4 ✓
Alakahi · HawaiʻiiNat 4 · GBIF 3 ✓
Keʻanae · MauiiNat 4 · GBIF 3 ✓
Kalihiwai · KauaʻiiNat 4 · GBIF 3 ✓
Waimea · KauaʻiiNat 2 · GBIF 4 ✓
Wailuanui · MauiiNat 2 · GBIF 3 ✓
Wailuku · MauiiNat 2 · GBIF 3 ✓
Honomanü · MauiiNat 1 · GBIF 3 ✓
Kāneʻohe · OʻahuiNat 2 · GBIF 2 ✓
Kailua · OʻahuiNat 1 · GBIF 2 ✓
Waimalu · OʻahuiNat 1 · GBIF 2 ✓
Kaʻakepa · HawaiʻiiNat 1 · GBIF 2 ✓
Kahaliʻi · HawaiʻiiNat 2 · GBIF 1 ✓
Kapaʻa · KauaʻiiNat 1 · GBIF 2 ✓
Keʻei 2 · HawaiʻiiNat 1 · GBIF 2 ✓
Wainiha · KauaʻiGBIF 3
Kalaoa 1-5 · HawaiʻiiNat 1 · GBIF 1 ✓
Makaweli · KauaʻiiNat 1 · GBIF 1 ✓
Honokahua · MauiiNat 1 · GBIF 1 ✓
Puʻuwaʻawaʻa · HawaiʻiiNat 1 · GBIF 1 ✓
Hanakoa · KauaʻiiNat 1 · GBIF 1 ✓
Hauʻula · OʻahuiNat 1 · GBIF 1 ✓
Kalauao · OʻahuiNat 1 · GBIF 1 ✓
Kamananui · OʻahuiNat 1 · GBIF 1 ✓
Hanalei · KauaʻiiNat 1 · GBIF 1 ✓
Waimea · OʻahuiNat 1 · GBIF 1 ✓
ʻAlaenui · MauiGBIF 2
Kawailoa · OʻahuGBIF 2
Piʻihonua · HawaiʻiiNat 1
Waipiʻo · HawaiʻiiNat 1
East Makaīwa · MauiiNat 1
Kaloko · HawaiʻiiNat 1
ʻAlae 1-2 · MauiiNat 1
Waipouli · KauaʻiiNat 1
Kaiwikinui · HawaiʻiGBIF 1
Honokāne · HawaiʻiGBIF 1
Ukumehame · MauiGBIF 1
Kalaupapa · MolokaʻiGBIF 1
Onomea · HawaiʻiGBIF 1
Kalihikai · KauaʻiGBIF 1
Heʻeia · OʻahuGBIF 1
Waiehu · MauiGBIF 1
Punaluʻu · OʻahuGBIF 1
Waikoekoe · HawaiʻiGBIF 1
Kalulu · LānaʻiGBIF 1
Waimano · OʻahuGBIF 1
Koʻolau · MauiGBIF 1
Moanalua · OʻahuGBIF 1
Nāmāhana · KauaʻiGBIF 1
Kaunakakai · MolokaʻiGBIF 1
Mānana · OʻahuGBIF 1
Makawao · MauiGBIF 1
Honopū · KauaʻiGBIF 1