1. A lady fern with deeply cut leaf segments; found in the Rocky Mountains
   - Athyrium distentifolium

Type of: Athyrium filix-femina, lady fern

• presumptuously
• presumptuousness
• presuppose
• presupposition
• presymptomatic
• preteen
• preteenager
• pretence
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• preterist
• preterit
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• preterm
• preterm baby
• preterm infant
• pretermission