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Anzia colpodes (Ach.) Stizenb.
Fertile Black-foam

Photo © Don Hunter, Chattahoochee Co., Ga., 29 Dec. 2015
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3G5

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: Mesic hardwood forests


Description

Green lobes tipped and edged in white, contrasting sharply with matte-black to brown spongy undersides; cupped brown disks sometimes absent on Ga. thalli; FIELD ID: bold contrasts make this species unmistakable if carefully observed, even without disks

Similar Species

Anzia ornata is sorediate, not fertile; Hypogymnia physodes & Menegazzia subsimilis might also fool one at a glance

Related Rare Species

Anzia ornata

Habitat

Mesic hardwood forests, on hardwood bark (50% oaks)

Life History

Lichenized corticolous fungus; photobiont a species of green unicellular alga (Trebouxia?)

Survey Recommendations

None

Range

Patchily in Southern Blue Ridge & Coastal Plain

Threats

Harvesting old-growth hardwood forests

Georgia Conservation Status

Rare

Conservation Management Recommendations

Conserve mature hardwood forests

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

27 February 2022