1. Small blue-flowered fringed gentian of Sierra Nevada mountains
   - tufted gentian, Gentianopsis holopetala

Type of: fringed gentian

• family Ostraciontidae
• family Ostreidae
• family Otariidae
• family Otididae
• family Oxalidaceae
• family Oxyuridae
• family Paeoniaceae
• family Paguridae
• family Palaemonidae
• family Palinuridae
• family Palmaceae
• family Palmae
• family Pandanaceae
• family Pandionidae
• family Panorpidae
• family Papaveraceae
• family Papilionacea
• family Paradisaeidae
• family Paridae
• family Parkeriaceae
• family Parmeliaceae
• family Parulidae
• family Passeridae
• family Passifloraceae
• family Patellidae