 Photo ©
Carl Farmer |
Very common on rocks, walls and trees, preferring shade. Fronds 10-45 cm long. Pinnae c 15-70 mm. Sori 1.5-3 mm. ID: A very distinctive fern, with undivided pinnae bearing yellow or orange roundish sori in two rows. P vulgare s.s. is the commonest species. P interjectum is generally a larger plant than P vulgare and can be found on mortared walls, natural limestone rock and occasionally on trees. It is quite common in the south of the area, rarer in the north. P cambricum is very rare. |
