1. Five-needled piñon of southern California and northern Baja California having (sometimes three-needled or four-needled showing hybridization from Pinus californiarum)
   - Pinus quadrifolia, Pinus parryana

Type of: piñon, pinyon

• 170
• 170th
• 1728
• 175
• 1750s
• 175th
• 1760s
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• 1790s
• 17th
• 18
• 18-carat gold
• 18-karat gold
• 180
• 180th
• 1820s
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• 1840s
• 1850s
• 1860s
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• 1890s
• 18th