Taxonomy

Division:

Ascomycota | - Sac fungi

Family:

Rhizocarpaceae

Genus:

Rhizocarpon

Species:

Rhizocarpon geminatum

USDA Symbol:

RHGE2

Growth Characteristics

Growth Habit:

Lichenous

Light Requirements:

Full Sun

Soil Requirements

Soil Type:

rocky, nutrient-poor substrate

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

commonly found on exposed rock surfaces