Classification
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All Names

  • Scientific Names
    • Parmelia sulcata
  • English
    • Shield Lichen
    • Hammered Shield Lichen
  • Finnish
    • raidanisokarve

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Recent observations

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

jwalewski

Date

June 23, 2016 11:06 AM CDT

Photos / Sounds

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What

Shield Lichen Parmelia sulcata

Observer

jayfitzsimmons

Date

June 18, 2016 03:59 PM EDT

Description

On trunk of a deciduous tree at forest edge.

Photos / Sounds

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What

Shield Lichen Parmelia sulcata

Observer

invertzoo

Date

June 18, 2016 02:08 PM EDT

Description

On a large old tree in the garden.

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

slagreca

Date

June 18, 2016 02:59 PM EDT

Photos / Sounds

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What

Shield Lichen Parmelia sulcata

Date

June 17, 2016 08:29 AM EDT

Place

(Somewhere...)

Photos / Sounds

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What

Shield Lichen Parmelia sulcata

Date

June 8, 2016 09:14 AM EDT

Place

(Somewhere...)

Photos / Sounds

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What

Shield Lichen Parmelia sulcata

Observer

lilyr3

Date

April 17, 2016

Description

What I found to be interesting about this lichen was that it was somewhat brittle. It took me a while to find this type of lichen, but once I did, I saw it everywhere. It has loosely appressed leaves. It great alongside other lichen, and seemed to be located mostly on branches or twigs that were smaller (a few inches in diameter). Although it likely grows on larger trunks, I only saw it on smaller branches, like on this Maple.

Photos / Sounds

What

Shield Lichen Parmelia sulcata

Observer

gyrrlfalcon

Date

May 30, 2016 04:03 PM EDT

Photos / Sounds

What

Shield Lichen Parmelia sulcata

Observer

maryehunt

Date

May 23, 2016 02:30 PM EDT

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

vilseskog

Date

April 10, 2016 06:37 AM ADT

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

jenny23

Date

May 21, 2016 11:15 AM EDT

Photos / Sounds

What

Shield Lichen Parmelia sulcata

Date

May 21, 2016 03:51 PM CDT
View all observations

Description from Wikipedia

Net-marked parmelia (Parmelia sulcata), or Shield lichen, is a lichen in the family Parmeliaceae. It is very tolerant of pollution and is widespread, making it one of the most common lichens.

No range data available.
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