1. Thistle of western North America having white woolly leaves
   - woolly thistle

Type of: plume thistle, plumed thistle

• hypoglossal nerve
• hypoglycaemia
• hypoglycaemic
• hypoglycaemic agent
• hypoglycemia
• hypoglycemic
• hypoglycemic agent
• hypognathous
• hypogonadism
• hypogynous
• hypoid
• hypoid gear
• hypokalemia
• hypolipoproteinemia
• hyponasty
• hyponatremia
• hyponitrous acid
• hyponym
• hyponymy
• Hypopachus
• hypoparathyroidism
• hypophosphoric acid
• hypophosphorous acid
• hypophyseal
• hypophyseal stalk