1. North American fern having tall erect pinnate fronds and a few sporogenous pinnae at or near the centre of the fertile fronds
   - interrupted fern

Type of: flowering fern, osmund

• steering gear
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• steersman
• steeve
• steeving
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• steganography
• Steganopus
• Steganopus tricolor
• Stegocephalia
• stegosaur
• Stegosaur stenops
• stegosaurus
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