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Candelariella efflorescens R. C. Harris & W. R. Buck
Northern Powdery Goldspeck

Photo © Don Hunter, Warren Co., Ga., 8 June 2014
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G5

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: Hardwood forests


Description

Tiny green dispersed areoles of variable amoeboid shapes, partially or entirely covered with yellow soralia; yellow disks rarely seen; CHEMISTRY: thallus K+ pale rose; MICROSCOPY: spores 32/ascus; FIELD ID: requires dissection of apothecium to ID

Similar Species

Candelariella xanthostigmoides is an morphologically identical southern species that reaches the Southern Blue Ridge; it differs in having 8 spores/ascus (though disks are rarely seen)

Related Rare Species

None

Habitat

Hardwood forests, on hardwood bark

Life History

Corticolous crustose lichenized fungus, photobiont a species of green alga (Trebouxia?)

Survey Recommendations

None

Range

Cumberland Plateau, Southern Blue Ridge, Piedmont

Threats

Unknown

Georgia Conservation Status

Rare

Conservation Management Recommendations

None

References

Brodo, I. M. 2001. Lichens of North America. Yale University Press, New Haven, Conn.

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.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

15 July 2022