1. Short hairy perennial with early spring blue-violet or lilac flowers; North America and Siberia
   - American pasqueflower, Eastern pasque flower, wild crocus, lion's beard, prairie anemone, blue tulip, Pulsatilla patens, Anemone ludoviciana

Type of: pasque flower, pasqueflower

• Hydrochoerus hydrochaeris
• hydrocolloid
• hydrocortisone
• Hydrocortone
• hydrocracking
• hydrocyanic
• hydrocyanic acid
• Hydrodamalis
• Hydrodamalis gigas
• HydroDIURIL
• hydrodynamic
• hydrodynamics
• hydroelectric
• hydroelectric turbine
• hydroelectricity
• hydroflumethiazide
• hydrofluoric acid
• hydrofluorocarbon
• hydrofluosilicic acid
• hydrofoil
• hydrogel
• hydrogen
• hydrogen atom
• hydrogen azide
• hydrogen bond