Kauaʻi record · kba_plant_ulva_lactuca
Sea lettuce
Ulva lactuca
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About Sea lettuce
limu pālahalaha is a green alga in the Kauaʻi limu group. Its origin status is indigenous.
Kauaʻi evidence
Species identity and image source are documented. Additional ecological and conservation citations are recommended. Ulva fasciata Delile is retained here as a synonym of Ulva lactuca, not an additional Kauaʻi record.
Names and classification
- Scientific name
- Ulva lactuca
- Common names
- Sea lettuce
- Hawaiian names
- Limu pālahalaha
- Other names
- Ulva fasciata Delile
- Family
- Ulvaceae
- Order
- Ulvales
- Record type
- Species or taxonomic group
Kauaʻi occurrence and status
- Kauaʻi occurrence
- Kauaʻi occurrence needs confirmation
- Origin
- Indigenous
- Conservation status
- Conservation priority; formal rank not listed
- Evidence date
- 2026-09-13
- Evidence limits
- Kauaʻi occurrence or species identity needs review
Habitat and ecology
- Habitats
- Intertidal pools · Reef flats · Nutrient-influenced shores
- Food and resource needs
- Light, suitable seawater conditions, nutrients, and secure substrate
- Reproduction
- Viable propagules and suitable establishment conditions
- Shelter
- Suitable marine substrate
- Growth form
- Green alga
Threats and conservation
- Threats
- Eutrophication, blooms, pollution, warming
- Conservation actions
- Water-quality monitoring and bloom context
- Monitoring
- Water-quality monitoring and bloom context
- Data gaps
- Additional ecological and conservation citations are recommended
Process and seasonal context
- Seasonal timing
- Not assessed
- Seasonal description
- limu pālahalaha is a green alga in the Kauaʻi limu group. Its origin status is indigenous.