Rhos Blaen Carrog is a Site of Special Scientific Interest in Ceredigion, west Wales, due to its population of Wavy St. John's Wort (Hypericum undulatum), an extremely rare variety of St. John's Wort.[1]

Rhos Blaen Carrog
Site of Special Scientific Interest
Rhos Blaen Carrog is located in Wales
Rhos Blaen Carrog
Location within Wales
LocationCeredigion
Grid referenceSN5759272518
Coordinates52°19′56″N 4°05′29″W / 52.332214°N 4.0913744°W / 52.332214; -4.0913744
InterestBiological
Area1.73 ha
Notification29 December 1982

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