CC BY-SA 4.0 - Source: Bungartz F, Søchting U, Arup U. Teloschistaceae (lichenized Ascomycota) from the Galapagos Islands: a phylogenetic revision based on morphological, anatomical, chemical, and molecular data. Plant and Fungal Systematics. 2020;65(2):515–576. doi:10.35535/pfsyst-2020-0030.
Species of Oceanoplaca with isidiosin. A–C – Oceanoplaca chemoisidiosa. A – pale gray, ± pruinose bullate-areolate thallus, apothecia
orange, sessile, crenate margin paler and more distinctly pruinose than the disc (Bungartz 6417, CDS 34632–holotype); B – apothecial section:
lecanorine, outer exciple and epihymenium abundantly filled with orange-brown granules, inner exciple filled with a mixture of small, gray crystals
obscuring the green photobiont cells [DIC, in water] (Bungartz 6436, CDS 34651); C – asci with oblong ascospores, septum broad [DIC, in
water] (Bungartz 6417, CDS 34632–holotype).
