Peters' Blackthread Lichen

Placynthium petersii

Native to:
United States
Peters' Blackthread Lichen

Tuckerman, Edward

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Taxonomy

Division:
Ascomycota | - Sac fungi
Family:
Placynthiaceae
Genus:
Placynthium
Species:
Placynthium petersii
USDA Symbol:
PLPE3

Growth Characteristics

Growth Habit:
Lichenous
Light Requirements:
Full Sun,Part Shade

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found on exposed rock surfaces