1. A pyramidal fir of southwestern California having spiny pointed leaves and cone scales with long spines
   - bristlecone fir, Abies bracteata, Abies venusta

Type of: fir, fir tree, true fir

• genus Microstrobos
• genus Microtus
• genus Micruroides
• genus Micrurus
• genus Mikania
• genus Millettia
• genus Miltonia
• genus Mimosa
• genus Mimus
• genus Minuartia
• genus Mirabilis
• genus Mirounga
• genus Mitchella
• genus Mitella
• genus Mnium
• genus Mobula
• genus Moehringia
• genus Mohria
• genus Mola
• genus Mollienesia
• genus Molluga
• genus Moloch
• genus Molothrus
• genus Molucella
• genus Molva