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Blanket Weed
Cladophora glomerata
Plantae›Chlorophyta›Ulvophyceae›Cladophoraceae
📍 Worldwide in ponds, streams, and rivers
Dense, rough-textured mats of dark green filaments that blanket pond plants and surfaces. Common in outdoor ponds and highly nutrient-rich tanks. More coarse and branched than soft hair algae. Difficult to eradicate fully — physically remove as much as possible before treating with algaecide or reducing nutrients aggressively.
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Quick Facts
- role
- nuisance — ponds and high-nutrient tanks
- cause
- high phosphate, high light, warm temperatures
- control
- manual removal, reduce nutrients, UV steriliser in ponds