Distribution Records
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synonym | |
taxonomic_comments |
Type specimen from Swain County, Great Smoky Mountains National Park (Alors et al. 2016, PLoS ONE 11(2): e0146537). |
species_comment |
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id_comments |
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structural_features |
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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 |
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distribution_reference |
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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. | |
checklist_mt_low <4,000 ft. | |
checklist_pd Piedmont | |
checklist_cp Coastal Plain | |
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 |
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NHP_ranks |
G5 |
NHP_status |
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status_comments |
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Photo Gallery for Punctelia rudecta Rough Speckled Shield Lichen |
![](photos_records/2024/08/tnPunctelia_rudecta1723769355.jpg) | Recorded by: Gary Perlmutter et al. Chatham Co. Comment: | ![](photos_records/2023/02/tnPunctelia_rudecta1675554445.jpg) | Recorded by: Brenda L Wichmann Columbus Co. Comment: |
![](photos_records/2021/11/tnPunctelia_rudecta1638147842.jpg) | Recorded by: Gary Perlmutter Durham Co. Comment: | ![](photos_records/2021/12/tnPunctelia_rudecta1639964517.jpg) | Recorded by: Gary Perlmutter Durham Co. Comment: |
![](photos_records/2022/07/tnPunctelia_rudecta1658247326.jpg) | Recorded by: Gary Perlmutter & Scott LaGreca Durham Co. Comment: | ![](photos_records/2020/10/tnPunctelia_rudecta1601994187.jpg) | Recorded by: Granville Co. Comment: |
![](photos_records/2020/10/tnPunctelia_rudecta1601997424.JPG) | Recorded by: Harnett Co. Comment: | ![](photos_records/2020/10/tnPunctelia_rudecta1601995404.jpg) | Recorded by: Haywood Co. Comment: |
![](photos_records/2022/02/tnPunctelia_rudecta1645447525.jpg) | Recorded by: Moore Co. Comment: | ![](photos_records/2020/10/tnPunctelia_rudecta1601998056.jpg) | Recorded by: Randolph Co. Comment: |
![](photos_records/2024/06/tnPunctelia_rudecta1717951659.jpg) | Recorded by: Gary Perlmutter, Jason Hollinger & Scott LaGreca Robeson Co. Comment: | ![](photos_records/2020/10/tnPunctelia_rudecta1602010805.JPG) | Recorded by: Stanly Co. Comment: |
![](photos_records/2024/07/tnPunctelia_rudecta1721590548.jpg) | Recorded by: Elizabeth A. Brei Union Co. Comment: | ![](photos_records/2024/02/tnPunctelia_rudecta1707598001.jpg) | Recorded by: Mark A. Basinger w/ Myra F. Basinger Wilson Co. Comment: |
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