naturalizedAsteraceae
Lactuca serriola
prickly lettuce
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Lactuca serriola, also called prickly lettuce, milk thistle (not to be confused with Silybum marianum, also called milk thistle) compass plant, and scarole, is an annual or biennial plant in the dandelion tribe within the daisy family. It has a slightly fetid odor and is commonly considered a weed of orchards, roadsides and field crops. It is the closest wild relative of cultivated lettuce (Lactuca sativa L.).
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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 · 12 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 26 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 54 · GBIF 41 records
Waikīkī · OʻahuiNat 13 · GBIF 12 ✓
Honouliuli · OʻahuiNat 9 · GBIF 8 ✓
Waiohuli · MauiiNat 4 · GBIF 2 ✓
Kaʻena · OʻahuiNat 3 · GBIF 2 ✓
Moanalua · OʻahuiNat 3 · GBIF 2 ✓
Puʻuwaʻawaʻa · HawaiʻiiNat 2 · GBIF 2 ✓
Maunalua · OʻahuiNat 2 · GBIF 1 ✓
Waimea · KauaʻiiNat 1 · GBIF 1 ✓
Kalaoa 1-5 · HawaiʻiiNat 1 · GBIF 1 ✓
Makaweli · KauaʻiiNat 1 · GBIF 1 ✓
Honolulu · OʻahuiNat 1 · GBIF 1 ✓
Makaʻehu · MauiiNat 1 · GBIF 1 ✓
Waikapū · MauiiNat 1 · GBIF 1 ✓
Puʻuanahulu · HawaiʻiiNat 1 · GBIF 1 ✓
Kamananui · OʻahuiNat 1 · GBIF 1 ✓
Kahuku · HawaiʻiiNat 1 · GBIF 1 ✓
Paumalū · OʻahuiNat 1 · GBIF 1 ✓
Kamoku · LānaʻiiNat 1 · GBIF 1 ✓
Waiakoa · MauiiNat 1
Hālawa · OʻahuiNat 1
Humuʻula · HawaiʻiiNat 1
Waiʻanae · OʻahuiNat 1
Hōʻaeʻae · OʻahuiNat 1
Kaunakakai · MolokaʻiiNat 1
Kawailoa · OʻahuGBIF 1