The acidic water flowing down the Afon Dulais above Pontarddulais supports a limited but distinctive suite of species, two of the most abundant being
Alpine Water-moss (Fontinalis squamosa) and
Claw Brook-moss (
Hygrohypnum ochraceum). These dark aquatic species grow on in-stream rocks and boulders forming part of characteristic community.
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Alpine Water-moss (Fontinalis squamosa) |
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Claw Brook-moss (Hygrohypnum ochraceum) |
Flushed pastures alongside the river that aren't covered in Rhododendron are more diverse with noteworthy species including locally frequent
Whorled Caraway (
Carum verticillatum) ,
Round-leaved Crowfoot (
Ranunculus omiophyllus),
Ivy-leaved Bellflower (
Wahlenbergia hederacea) and the luxuriant foliage of
Marsh Forklet-moss (
Dichodontium palustre).
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Whorled Caraway leaves growing overGrove Earwort (Scapania nemorea) |
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Marsh Forklet-moss (Dichodontium palustre) |
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