naturalizedAsteraceae
Cirsium vulgare
Bull Thistle
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
No written account yet for this species.
Seasonality
Only 2 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Where documented · 42 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 132 · GBIF 124 records
Keauhou · HawaiʻiiNat 19 · GBIF 21 ✓
Puʻuwaʻawaʻa · HawaiʻiiNat 15 · GBIF 12 ✓
Makawao · MauiiNat 13 · GBIF 8 ✓
Kaʻohe Mauka · HawaiʻiiNat 7 · GBIF 12 ✓
Kamoku · LānaʻiiNat 11 · GBIF 7 ✓
Waimea · KauaʻiiNat 7 · GBIF 8 ✓
Humuʻula · HawaiʻiiNat 10 · GBIF 5 ✓
Waiohuli · MauiiNat 6 · GBIF 5 ✓
Kalialinui · MauiiNat 5 · GBIF 5 ✓
Honuaʻula · HawaiʻiiNat 3 · GBIF 3 ✓
Pāpaʻikou · HawaiʻiiNat 3 · GBIF 3 ✓
Pūlehunui · MauiiNat 3 · GBIF 2 ✓
Hoʻokena · HawaiʻiiNat 2 · GBIF 2 ✓
Lālāmilo, Keanuʻiʻomanō · HawaiʻiiNat 2 · GBIF 2 ✓
Kēōkea · MauiiNat 2 · GBIF 2 ✓
Waikapū · MauiiNat 2 · GBIF 2 ✓
Kaluako‘i · MolokaʻiiNat 2 · GBIF 2 ✓
Kahanui · MolokaʻiiNat 1 · GBIF 2 ✓
Puʻuanahulu · HawaiʻiiNat 2 · GBIF 1 ✓
Honopū · KauaʻiiNat 2 · GBIF 1 ✓
Nuʻu · MauiiNat 1 · GBIF 1 ✓
Kalaupapa · MolokaʻiiNat 1 · GBIF 1 ✓
Kīpahoehoe · HawaiʻiiNat 1 · GBIF 1 ✓
Waiakoa · MauiiNat 1 · GBIF 1 ✓
Waimea, Waikoloa · HawaiʻiiNat 1 · GBIF 1 ✓
Kamehamenui · MauiiNat 1 · GBIF 1 ✓
Kalulu · LānaʻiiNat 1 · GBIF 1 ✓
Kaohai · LānaʻiiNat 1 · GBIF 1 ✓
Hakalau · HawaiʻiiNat 1 · GBIF 1 ✓
Hanamāʻulu · KauaʻiGBIF 2
Mahana · LānaʻiGBIF 2
Waiheʻe · MauiiNat 1
Kaʻūpūlehu · HawaiʻiiNat 1
Paomai · LānaʻiiNat 1
Pūehuehunui · MauiiNat 1
Maunalei · LānaʻiGBIF 1
Kapāpala · HawaiʻiGBIF 1
Papaʻanui · MauiGBIF 1
Kalamaʻula · MolokaʻiGBIF 1
Hōlualoa 1-2 · HawaiʻiGBIF 1
Pālāwai · LānaʻiGBIF 1