1. Capable of seeing to a great distance
   - keen-sighted, farseeing, longsighted

See also: farsighted, presbyopic

• genus Holothuria
• genus Homarus
• genus Homo
• genus Homogyne
• genus Homona
• genus Hordeum
• genus Horneophyton
• genus Hosta
• genus Hottonia
• genus Houttuynia
• genus Hovea
• genus Hoya
• genus Hudsonia
• genus Hugueninia
• genus Hulsea
• genus Humulus
• genus Hunnemania
• genus Hyacinthoides
• genus Hyacinthus
• genus Hyaena
• genus Hyalophora
• genus Hyalosperma
• genus Hybanthus
• genus Hydnocarpus
• genus Hydnum