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Gut Weed - Ulva intestinalis
This bright green algae grows into tubular fronds, 10-30cm in length and 6-18mm in diameter. Though principally a marine species it is found in brackish water and occasionally in freshwater, typically where eutrophic conditions exists due to high nitrate pollution.
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Though mainly a marine species, it is found in eutrophic freshwater.
All year.
Common as a coastal species, rare inland.
Rare
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
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Species profile
- Common names
- Gut Weed, Gutweed
- Species group:
- Algae, Bacteria, Virus
- Kingdom:
- Order:
- Family:
- Records on NatureSpot:
- 2
- First record:
- 04/10/2023 (Nicholls, David)
- Last record:
- 10/10/2023 (Nicholls, David)
Total records by month
% of records within its species group
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