Locally abundant 100+ individuals amongst lichen, fungi and moss in crevices in roof tiles on northwest and north side of Casino roof. Soil is mix of degradation of clay roof tiles, concrete/plaster material, and nutrients imported by birds: nesting materials, scat, and other waste (fish bones, feathers, etc.). Hundreds of plants at all life stages. South facing side of casino roof contains only a handful of scattered specimens and some Opuntia. Less soil is built on southern facing side.