Order: Peltigerales       Family: Collemataceae Enchylium tenax v. vulgare (Collema tenax v. vulgare) Growth type foliose. Photos: Carran turlough, the Burren and Co. Kerry, Ireland. Small confluent rosettes of short, chunky, swollen, convex lobes. Strongly attached to substrate. Usually abundantly fertile. Ascus usually 8-spored, the spores colourless, 3-septate to submuriform, 17-26 x 6.5-7.5 µm. Micro photos below. Can be very common on mortar and damp, basic soils. Most records are from western Ireland. Chemical reactions negative. One of several morphs of Collema tenax, the others are C. tenax var. ceranoides, rarely fertile, narrow ascending lobes, and C. tenax var. tenax.

Microscope photographs



Immediately above and micro photos: Collema tenax var vulgare . Muckross Friary, Co. Kerry. Identified by Brian Coppins