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Gwylan: Allium triquetrum. Three-cornered Garlic. Invasive Weed.
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Gwylan: Hyacinthoides x massartiana. Aberdesach
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Gwylan: Sargassum muticum. Gwymon lein ddillad. Wire weed.
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Gwylan: Watersipora subatra or Watersipora subtorquata
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Gwylan: Sargassum muticum
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Gwylan: Crepidula fornicata. Brenigen yr wystrys. Slipper Limpet.
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Gwylan: Crepidula fornicata. Brenigen yr wystrys. Slipper Limpet.
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Gwylan: Crepidula fornicata. Brenigen yr wystrys. Slipper limpet.
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Gwylan: Lysimachia quadrifolia syn Lysimachia verticillaris. Trewyn. Whorled Loosestrife.
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Gwylan: Lysimachia punctata. Trewyn. Whorled Loosestrife.
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Gwylan: Phormium tenax. Harakeke. New Zealand Flax. Chwyn. A weed.
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Gwylan: Rosa rugosa. Chwyn. Invasive species. Pest.
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Gwylan: Oenothera sp. Melyn yr hwyr. Evening primrose
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Gwylan: Erythranthe lutea. Monkey flower. Blood-drop-emlets.
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Gwylan: Colpomenia peregrina, Lleidr wystrys, Oyster thief
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Gwylan: gwymon lein ddillad, wire weed, Sargassum muticum
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Gwylan: Sargassum muticum. gwymon lein ddillad. Wire Weed.
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Gwylan: Chwyn - Rosa rugosa - invasive species
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Gwylan: Crassostrea gigas. Wystrys y Môr Tawel. Pacific Oyster.
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Gwylan: Wystrysen y Môr Tawel - Crassostrea gigas
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Gwylan: Sargassum muticum. Gwymon lein ddillad. Wire Weed.
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Gwylan: Sargassum muticum. Gwymon lein ddillad. Wire Weed.
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Gwylan: Sargassum muticum. Gwymon lein ddillad. Wire Weed.
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Gwylan: cregyn blacen - Mya arenaria
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Gwylan: Gwymon lein ddillad - Sargassum muticum - Caernarfon
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Gwylan: Gwymon lein ddillad - Sargassum muticum - Dinas Dinlle, Caernarfon
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Gwylan: Gwymon lein ddillad - sargassum muticum- Newgale
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Gwylan: Styela clava - chwistrell (fôr) bastwm
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Gwylan: Styela clava - chwistrell (fôr) bastwm
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Gwylan: Styela clava - chwistrell (fôr) bastwm