Classification
Within iNaturalist.org

All Names

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

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Recent observations

Photos / Sounds

What

Shield Lichen Parmelia sulcata

Observer

robberfly

Date

April 12, 2014 01:27 PM PDT

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

songbird7

Date

April 9, 2014 10:14 AM PDT

Photos / Sounds

No photos or sounds

What

Shield Lichen Parmelia sulcata

Observer

psmeepiphytes

Date

March 28, 2014

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

marie_antoine

Date

March 28, 2014 09:05 PM PDT

Description

Occasional on branches in redwood crown around 70m.

Photos / Sounds

Observer

tom_carlberg

Date

March 22, 2014 02:14 PM PDT

Description

On Salix hookeriana in a hypercoastal dune system. Scant squarrose rhizines. Note the reticulate white cracks.

Photos / Sounds

Square

What

Shield Lichen Parmelia sulcata

Observer

robberfly

Date

February 25, 2014 11:15 AM PST

Photos / Sounds

Observer

tom_carlberg

Date

January 25, 2014

Description

At full magnification, on the right center of the photo, you can just see the black squarrose rhizines on the lower surface of the lichen.

Photos / Sounds

Observer

kfsaylor

Date

May 5, 2013

Photos / Sounds

Observer

mossy

Date

December 14, 2013

Description

On an ornamental sugar maple. This is a zone of fairly clean air for downtown. The Parmelia here might not be getting the N that it needs, it looks a bit unhealthy.

Photos / Sounds

No photos or sounds

Observer

merckforest

Date

May 11, 2013

Description

Spring Bioblitz 2013

Photos / Sounds

No photos or sounds

Observer

mossvet

Date

the past

Place

B4 (Google, OSM)

Photos / Sounds

No photos or sounds

What

Hammered Shield Lichen Parmelia sulcata

Observer

cdcase29

Date

May 6, 2013
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.