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Piccolia nannaria (Tuck.) Lendemer & Beeching
Wee Bark-fire

Photo © Don Hunter, Brooks Co., Ga., 1 Feb. 2014
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNR

State Rank: SNR

Element Locations Tracked in Biotics: No

SWAP 2015 Species of Greatest Conservation Need (SGCN): No

SWAP 2025 Species of Greatest Conservation Need (SGCN): No

2025 SGCN Priority Tier: None

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: In both mesic and xeric habitats


Description

Obscure yellow or greenish smooth thallus with tiny bright orange apothecia, the rims often paler than the disk; thalli often minute & sparsely fertile (rarely densely fertile as in photo); FIELD ID: unmistakable with careful observation, once you train yourself to see the tiny smudges of yellow with orange dots

Similar Species

None

Related Rare Species

None

Habitat

In both mesic & xeric habitats; substrates: mostly hardwood bark: 48% Quercus, 20% Acer; 1 record on Pinus glabra

Life History

Corticolous crustose lichenized fungus, photobiont presumed to be a chlorococcoid alga, although Lendemer & Harris (2014) speculated that this species is parasitic on Lecidea varians

Survey Recommendations

None

Range

Mostly Piedmont, Coastal Plain; rarely on Cumberland Plateau; unrecorded in Ridge & Valley, Southern Blue Ridge

Threats

Unknown

Georgia Conservation Status

Common

Conservation Management Recommendations

None

References

Brodo, I. M. 2016. Keys to lichens of North America: revised and expanded. Yale University Press, New Haven, Conn.

Esslinger, T. L. 2021. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. Version 24. Opuscula Philolichenum 20: 100-394.

Lendemer, J. C. & R. C. Harris. 2014. Studies in lichens and lichenicolous fungi – No. 19: Further notes on species from the Coastal Plain of southeastern North America. Opuscula Philolichenum 13: 155-176.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

3 August 2022