FIGURE 1 in Leprose and leproid lichens of the Galapagos, with a particular focus on Lepraria (Stereocaulaceae) and Septotrapelia (Pilocarpaceae)

FIGURE 1. af Galapagos leprose and leproid lichens with brightly colored pigments; a–b Chaenotheca chloroxantha; a Overview of the granular leproid thallus; photograph of fresh material in the field, whitish to pale yellow pruina covering apothecial stalks intensifying with storage in the herbarium (Bungartz 8509; scale 1.5 mm); b Close-up of the thallus; stalked ('calicioid') apothecia with bright yellow pruina (vulpinic acid) confined to the stalks (Clerc 08-361; scale 1 mm); c powdery, dusty leprose thallus of Psilolechia lucida; close-up of bright neon green thallus grains (Aptroot 65143; scale 0.4 mm); d powdery, dusty leprose thallus of Chrysothrix xanthina; close-up of bright lemon yellow thallus grains (Bungartz 8832; scale 0.6 mm); e–f Chrysothrix galapagoana (scale bars 1 mm); e General thallus aspect of coarse almost subsquamulose leproid granules (Bungartz 9756; scale 2 mm); f Close-up of subsquamulose leproid granules with budding soredia (Bungartz 5256; scale 1 mm).