Xanthomendoza leoncita
This ID is based on the listing of this species in the Charles Darwin Foundation Galápagos Species Database. I couldn’t get close enough for better photos. This database cites presence on the island of Isabela, Volcán Alcedo, along the trail going up the E-slope, on a basalt rubble field to the SEside of the trail and the barranco, 0°24′3″S, 91°2′35″W, 434 m altitude, in the dry zone. So this sighting on Rábida is uncertain. Documentation is conspicuously lacking for this species.
Identification: Xanthomendoza lichens are medium-sized orange foliose lichens. They are lecanorine, that is, possessed of fruiting body parts, each shaped like a plate with a ring around it.
Habitats: I saw this tuff or lava, at sea level.
Online References:
3/31/2025 · Rábida, Galápagos Islands, Ecuador 
ID is uncertain 
| Parents | Unknown | Genus is not in the current taxonomy |
| Genus | Xanthomendoza | From Greek xanthos (ξανθός), “yellow” or “blonde,” and -mendoza, “Mendoza,” a province and city in Argentina |
| Species | leoncita | From a femine dimunutive of león, “little lioness,” for yellow-orange coloring |
Xanthomendoza leoncita description by Thomas H. Kent, not updated.
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