1. Very small tree similar to Rocky mountain piñon but having a single needle per fascicle; similar to Parry's pinyon in range
   - Pinus californiarum

Type of: piñon, pinyon

• adapter
• adaption
• adaptive
• adaptive radiation
• adaptor
• Adar
• Adar Sheni
• adaxial
• adaxially
• add
• add on
• add to
• add together
• add up
• add-in
• addable
• addax
• Addax nasomaculatus
• addend
• addendum
• adder
• adder's fern
• adder's tongue
• adder's tongue fern
• addible