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What

toxic black mold Stachybotrys chartarum

Observer

nhmordenana

Date

February 28, 2015 11:03 AM PST

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Date

September 22, 2014

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sarahsnail

Date

January 31, 2015 12:01 PM PST

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What

Beard Lichens (Usnea) Genus Usnea

Observer

sarahsnail

Date

January 31, 2015 11:55 AM PST

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What

Lace Lichen (Ramalina menziesii) Ramalina menziesii

Observer

sarahsnail

Date

January 31, 2015 11:54 AM PST

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Date

September 22, 2014

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Date

January 25, 2015

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What

Psoroma melanizum Genus Psoroma

Date

January 25, 2015

Description

On mountain beech tree.

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Date

January 25, 2015

Description

On mountain beech tree.

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Date

January 25, 2015

Description

Or Pseudocyphellaria?
Or something else?

On mountain beech tree.

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Date

January 25, 2015

Description

On mountain beech tree.

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Date

January 25, 2015

Description

On mountain beech tree.

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Observer

steve_kerr

Date

February 16, 2015

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Observer

steve_kerr

Date

February 16, 2015

Description

Lobariaceae: Lobaria pulmonaria ?

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Observer

steve_kerr

Date

February 16, 2015

Description

Lecanorales: Megalariaceae: Megalaria grossa ?

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What

Oakmoss Evernia prunastri

Observer

wendy5

Date

February 27, 2015

Description

Here's Evernia prunastri or Antlered Perfume, on this site Oakmoss. I like the Antlered Perfume name because it ties in with its historical uses in the perfume industry centuries ago. I found this clump on the ground, and photographed it later.

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Observer

wendy5

Date

February 27, 2015

Description

Here's Cladonia furcata or Many-forked Cladonia, a lichen found growing in patches on the shady ground beside Frog Pelt.

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Observer

magrat

Date

December 8, 2011 09:30 AM NZDT

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Observer

steve_kerr

Date

February 27, 2015

Description

growing on underside of damp log along edge of Leith Stream

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What

gold-eye lichen Teloschistes chrysophthalmus

Observer

nathantaylor7583

Date

July 12, 2011

Description

Orange lichen growing in Western Soapberry (Sapindus saponaria). It also grows on Prosopis glandulosa, Quercus havardii, and Artemisia filifolia.

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What

Cup fungi Family Pezizaceae

Date

October 20, 2014

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Date

October 20, 2014

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What

Yellow Fairy Cups Bisporella citrina

Date

October 20, 2014

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kueda

Date

February 26, 2015 09:03 PM PST

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robberfly

Date

February 26, 2015 04:11 PM PST

Description

Tiny one in amongst the Ramalina. Less than the size of a penny...

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What

Fringe Lichens Genus Heterodermia

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robberfly

Date

February 26, 2015 03:50 PM PST

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robberfly

Date

February 26, 2015 04:24 PM PST

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robberfly

Date

February 26, 2015 03:53 PM PST

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What

Farinose Cartilage Lichen Ramalina farinacea

Observer

robberfly

Date

February 26, 2015 04:09 PM PST

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What

Powdery Sea-Fog Lichen Niebla cephalota

Observer

robberfly

Date

February 26, 2015 04:40 PM PST

Description

A first for me in the Presidio...