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Lava Beds Jepson workshop with Sean Smith and Steve Jessup
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Lava Beds Jepson workshop with Sean Smith and Steve Jessup
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Lava Beds Jepson workshop with Sean Smith and Steve Jessup
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Jepson Lava Beds workshop with Sean Smith and Steve Jessup
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specimen collected by Steve Matson #1457
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specimen collected by Steve Matson #1457
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specimen collected by Steve Matson #1457
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specimen collected by Steve Matson #1457
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The upright fern at the upper right is Polystichum lemmonii, the paler green fern in center and left is Adiantum aleuticum.
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This is a direct scan of the upper and lower sides of two fronds of P. amorphum combined into one image. The fronds were collected on July 12 2006 from a plant at the above location. Note the round sori and blunt pinnae; these features help to distinguish P. amorphum from the closely related P. hesperium.