Key Identification Features
- This hairy rachis is the feature that distinguishes Physematium scopulinum from the similar species Physematium oreganum.
- This species is often confused with different ferns from the genus Cystopteris, but can be distinguished by its hairy characteristics.
- The hairy rachis is a key feature that sets this species apart from the closely related Physematium oreganum.
- This fern is often confused with various ferns belonging to the genus Cystopteris, but can be distinguished by its hairy texture.
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