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Photo © ajwick24, all rights reserved
Cougar Mountain Regional Wi... (Google, OSM) Details Hide details

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I have never seen a fern like this in Washington! Unfortunately it was the only one in the area. It's located next to a stream at the entrance of the park. I noticed other plants that may have been carried from a horticultural nursery down the highway. You never know what's native!

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Comments & Identifications

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maidenhair ferns - Photo (c) designonze, all rights reserved, uploaded by Gabriela Castro
everett's ID: maidenhair ferns (Genus Adiantum)
Posted by everett over 3 years ago (Flag)
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It looks like Adiantum pedatum of the east, which is not native for you. I'm not sure what other natives that you have other than Adiantum aleuticum, which does not fan out as nicely

Posted by everett over 3 years ago (Flag)
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five-fingered fern - Photo (c) J Brew, some rights reserved (CC BY-NC-SA)
loarie's ID: five-fingered fern (Adiantum aleuticum)

Shoot - thanks everett, I meant Adiantum aleuticum (which is the only five-fingered fern in Washington: http://www.wnps.org/photogallery_ferns.html ) and not A. pedatum.
I've definitely seen ones here in Northern CA that look like the photograph.

Posted by loarie over 3 years ago (Flag)
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five-fingered fern - Photo (c) J Brew, some rights reserved (CC BY-NC-SA)
ajwick24's ID: five-fingered fern (Adiantum aleuticum)
Posted by ajwick24 over 3 years ago (Flag)
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Yes, I assume that it's more splayed out in the shade. Here in the east we only get this species on serpentine.

Posted by everett over 3 years ago (Flag)
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five-fingered fern - Photo (c) J Brew, some rights reserved (CC BY-NC-SA)
invertboy's ID: five-fingered fern (Adiantum aleuticum)
Posted by invertboy over 3 years ago (Flag)
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Posted by richard_olmstead over 3 years ago (Flag)
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five-fingered fern - Photo (c) J Brew, some rights reserved (CC BY-NC-SA)
ajwick24's ID: five-fingered fern (Adiantum aleuticum)
five-fingered fern - Photo (c) J Brew, some rights reserved (CC BY-NC-SA)
Community ID: five-fingered fern (Adiantum aleuticum)
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loarie invertboy richard_olmstead 3 people agree
maidenhair ferns - Photo (c) designonze, all rights reserved, uploaded by Gabriela Castro
everett's ID: maidenhair ferns (Genus Adiantum)
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