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.
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. (en)
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. (en)