naturalizedAmaranthaceae
Amaranthus spinosus
spiny amaranth
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Amaranthus spinosus, commonly known as the spiny amaranth, spiny pigweed, prickly amaranth or thorny amaranth, is a plant is native to the tropical Americas, but is present on most continents as an introduced species and sometimes a noxious weed. It can be a serious weed of rice cultivation in Asia....
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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 · 7 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 78 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 154 · GBIF 109 records
Waikīkī · OʻahuiNat 19 · GBIF 14 ✓
Honouliuli · OʻahuiNat 10 · GBIF 9 ✓
Paunau · MauiiNat 7 · GBIF 5 ✓
Waimānalo · OʻahuiNat 6 · GBIF 4 ✓
Puʻuwaʻawaʻa · HawaiʻiiNat 5 · GBIF 5 ✓
Waiohuli · MauiiNat 6 · GBIF 4 ✓
Kamoku · LānaʻiiNat 5 · GBIF 5 ✓
Honolulu · OʻahuiNat 6 · GBIF 3 ✓
Waimea, Waikoloa · HawaiʻiiNat 3 · GBIF 4 ✓
Waipiʻo · OʻahuiNat 3 · GBIF 4 ✓
Pālāʻau · MolokaʻiiNat 3 · GBIF 2 ✓
Kaumalumalu, Pāhoehoe · HawaiʻiiNat 3 · GBIF 2 ✓
Kailua · OʻahuiNat 3 · GBIF 2 ✓
Kaʻonoʻulu · MauiiNat 2 · GBIF 2 ✓
Hoʻolehua · MolokaʻiiNat 2 · GBIF 2 ✓
Kualoa 1 · OʻahuiNat 2 · GBIF 2 ✓
Waiʻanae · OʻahuiNat 2 · GBIF 2 ✓
Kamananui · OʻahuiNat 2 · GBIF 2 ✓
Pālāwai · LānaʻiiNat 1 · GBIF 3 ✓
Kaluako‘i · MolokaʻiiNat 2 · GBIF 2 ✓
Maunalua · OʻahuiNat 2 · GBIF 1 ✓
Kēōkea · HawaiʻiiNat 2 · GBIF 1 ✓
Kaʻaʻawa · OʻahuiNat 2 · GBIF 1 ✓
Pūlehunui · MauiiNat 2 · GBIF 1 ✓
Kealakekua, Kīloa 1 · HawaiʻiiNat 2 · GBIF 1 ✓
Pūpūkea · OʻahuiNat 2 · GBIF 1 ✓
Mākaha · OʻahuiNat 1 · GBIF 1 ✓
Puʻukapu · HawaiʻiiNat 1 · GBIF 1 ✓
Waikele · OʻahuiNat 1 · GBIF 1 ✓
Nāpili 2-3 · MauiiNat 1 · GBIF 1 ✓
Hanapēpē · KauaʻiiNat 2
Waimea · KauaʻiiNat 1 · GBIF 1 ✓
ʻOʻoma 1 · HawaiʻiiNat 1 · GBIF 1 ✓
Honolua · MauiiNat 1 · GBIF 1 ✓
Kamaʻole · MauiiNat 2
Kēōkea · MauiiNat 1 · GBIF 1 ✓
Hālawa · OʻahuiNat 1 · GBIF 1 ✓
Kamāʻoa, Puʻuʻeo, Ke · HawaiʻiiNat 1 · GBIF 1 ✓
Kohanaiki · HawaiʻiiNat 1 · GBIF 1 ✓
Waikapū · MauiiNat 2
Waiheʻe · OʻahuiNat 1 · GBIF 1 ✓
Kalua‘aha · MolokaʻiiNat 1 · GBIF 1 ✓
Wailuku · MauiiNat 1 · GBIF 1 ✓
Moanalua · OʻahuiNat 1 · GBIF 1 ✓
Mānana · OʻahuiNat 1 · GBIF 1 ✓
Pāʻauʻau 1, Palima · HawaiʻiiNat 1 · GBIF 1 ✓
Puʻukole, Koea, Lapakahi · HawaiʻiiNat 1 · GBIF 1 ✓
Kapāpala · HawaiʻiGBIF 2
ʻŌuli · HawaiʻiGBIF 2
ʻAlaenui · MauiiNat 1
Pāʻā · KauaʻiiNat 1
Lumahaʻi · KauaʻiiNat 1
Kalihi · MauiiNat 1
ʻOʻōkala · HawaiʻiiNat 1
Kaʻawaloa · HawaiʻiiNat 1
Kauleolī 1-2 · HawaiʻiiNat 1
ʻŌmaʻopio · MauiiNat 1
Waiheʻe · MauiiNat 1
Kahauloa 2 · HawaiʻiiNat 1
Mohopilo · MauiiNat 1
Kalaupapa · MolokaʻiiNat 1
Wainiha · KauaʻiiNat 1
Kōloa · KauaʻiiNat 1
Olowalu · MauiiNat 1
Kawaipapa · MauiiNat 1
Kāwala · HawaiʻiiNat 1
Kalihiwai · KauaʻiiNat 1
Kanaio · MauiiNat 1
Kapaʻa · KauaʻiiNat 1
Papaʻakoko · OʻahuiNat 1
Waiākea · HawaiʻiiNat 1
Paʻalaʻa · OʻahuiNat 1
Hāʻena · KauaʻiGBIF 1
Kalamaʻula · MolokaʻiGBIF 1
Kualapa · MauiGBIF 1