Catillaria lenticularis Catillariaceae
Catillaria lenticularis

Growth type crustose
Chemical results negative

Common on limestone, calcareous rocks and building materials.

Thin or immersed whitish, beige or pale brown thallus. Numerous grouped or scattered apothecia, reddish to dark brown, often +/- immersed. Spores are 7-10(-12) (2-)2.5-3.5(-4) m. Paraphyses with dark swollen tips. The photobiont is Dictyochloropsis. Microscope photographs below.

Similar: Catillaria chalybeia. On siliceous rocks, photobiont Myrmecia. Catillaria nigroclavata is corticolous


Catillaria lenticularis

Microscope photographs
Catillaria lenticularis


Catillaria lenticularis


Dictyochloropsis
Catillaria lenticularis
Kimmeridge, Dorset. March 2014

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