Japanese Maple, California--9661
Japanese Maple, California--9661
Cryptobiotic Crust (Cyanobacteria) with pink lichens, Arizona--0033
Cryptobiotic Crust (Cyanobacteria) with pink lichens, Arizona--0033
Peppercress (Lepidium), Arizona--0029
Peppercress (Lepidium), Arizona--0029
Autumn Sumac On Rock, Arizona
Autumn Sumac On Rock, Arizona
Fall color, Minnesota
Fall color, Minnesota
Lichen on rock, Arizona
Lichen on rock, Arizona
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