Lichens of North Carolina
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Punctelia rudecta - Rough Speckled Shield Lichen     Parmeliaceae Members: NC Records Public View
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Image by Jason Hollinger
Image by Gary Perlmutter
Distribution Records
synonym
taxonomic_comments Type specimen from Swain County, Great Smoky Mountains National Park (Alors et al. 2016, PLoS ONE 11(2): e0146537).
species_comment
id_comments
structural_features
fld_guide_descriptions Thallus foliose, medium sized, to 8 cm; rosette-forming; lobes flat, linear to subirregular, spreading, 4-7 mm; upper surface bluish gray or pale blue-greenish, shiny, sometimes cracked; lobe edges rounded, tinged with brown; pseudocyphellae white, common, round to irregular or elongate, sometimes coalescing. Isidia occasional to frequent, short, smooth and corticate, simple to forked or coralloid, brown-tipped, often arising from pseudocyphellae and cortical cracks. Lower surface pale, white to flesh-colored or brownish; rhizines simple to forked, same color as the lower surface or white. Ascomata lecanorine apothecia, rare; pycnidia not seen. CHEMISTRY. Upper cortex K+ yellow, C-, (atronorin); medulla K-, C+ red (lecanoric acid).
online_photos
distribution_reference
technical_reference Lendemer, J.C. & N. Noell. (2018) Delmarva Lichens: An illustrated manual. Memoirs of the Torrey Botanical Society 28: 1-386. Nash, T.H., B.D. Ryan, C. Gries & F. Bungartz (eds.) (2004) Lichen Flora of the Greater Sonoran Desert Region. Vol 2.
abundance This among the most abundant lichens on partially exposed trees.
distribution_comments This is among the most widely distributed lichens in North Carolina, found throughout the state.
checklist_mt_high
>=4,000 ft.
Regular
Frequent
Infrequent
Occasional
Seldom
 Frequency
checklist_mt_low
<4,000 ft.
Regular
Frequent
Infrequent
Occasional
Seldom
checklist_pd
Piedmont
Regular
Frequent
Infrequent
Occasional
Seldom
checklist_cp
Coastal Plain
Regular
Frequent
Infrequent
Occasional
Seldom
habitat Corticolous on trunks and branches of various trees, mostly hardwoods in shaded forests, rarely saxicolous on shaded rocks.
observation_methods Thalli can be observed on tree trunks or fallen limbs and branches.
state_protection
NHP_ranks G5
NHP_status
status_comments

Photo Gallery for Punctelia rudecta Rough Speckled Shield Lichen

Recorded by: Gary Perlmutter et al.
Chatham Co.
Comment: 		Recorded by: Gary Perlmutter
Chatham Co.
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Recorded by: Brenda L Wichmann
Columbus Co.
Comment: 		Recorded by: Gary Perlmutter
Durham Co.
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Recorded by: Gary Perlmutter
Durham Co.
Comment: 		Recorded by: Gary Perlmutter & Scott LaGreca
Durham Co.
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Granville Co.
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Harnett Co.
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Haywood Co.
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Moore Co.
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Randolph Co.
Comment: 		Recorded by: Gary Perlmutter et al.
Richmond Co.
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Recorded by: Gary Perlmutter, Steve Hall & Mark Basinger
Richmond Co.
Comment: 		Recorded by: Gary Perlmutter, Jason Hollinger & Scott LaGreca
Robeson Co.
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Recorded by: Gary Perlmutter
Rockingham Co.
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Stanly Co.
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Recorded by: Elizabeth A. Brei
Union Co.
Comment: 		Recorded by: Mark A. Basinger w/ Myra F. Basinger
Wilson Co.
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