Stereocaulon sterile 1
On tundra gravel. From interior Alaska.
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Stereocaulon sterile 2
On rock. From a specimen supplied by Bruce McCune, coll. Oregon.
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Stereocaulon sterile 3
On rock. From a specimen supplied by Bruce McCune, coll. Oregon. |
Stereocaulon sterile 4
On rock. From Mt. Tamalpais, north of San Francisco, California. |