Fig. 1
From: Species delimitation in the cyanolichen genus Rostania
Traditionally recognised taxa based on Degelius’ morphological hypotheses from 1954 [19]. Thallus habitus and the colour of the apothecia. a Collema ceraniscum (S-F262465) –accessory lobules on the top of the lobes (arrow), b C. multipunctatum (Nyl41670_H9201930) – lobate thallus with large lobes (arrow), c C. occultatum var. occultatum (S-F388771) – granulose thallus (arrow) and pale brown coloured disc of the apothecia (arrow), d C. occultatum var. populinum (UPS-L125813) – lobate thallus composed of small lobes (arrow) and red coloured disc of the apothecia (arrow), al–accessory lobule, A–apothecium, Gr–granule, L–lobe