Taxonomy

Division:

Ascomycota | - Sac fungi

Family:

Umbilicariaceae

Genus:

Umbilicaria

Species:

Umbilicaria rigida

Growth Characteristics

Growth Habit:

Lichenous

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may

Soil Requirements

Soil Type:

rocky, nutrient-poor, well-drained soil

pH:

4.5 - 6.5 (acidic to slightly acidic)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

commonly found on exposed rock surfaces