naturalizedAsteraceae
Cirsium vulgare
Bull Thistle
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). It is also naturalised in North America, Africa, and Australia and is an invasive weed in some areas. It is the national flower of Scotland.
Read more on Wikipedia →summary via Wikipedia · CC BY-SA
Seasonality
Only 2 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Gallery · 11 · iNaturalist
open-licensed photos · click any to view its source
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