bittercress 
noun
A plant with small white flowers, which grows widely as a temperate weed, especially in damp soils.
- Genus Cardamine, family Cruciferae: several species.
- Canlamine impatiens L., the narrowleaf bittercress, is an annual or biennial herb native to Eurasia that has become naturalized in many parts of the eastern United States.
- The woods contain an area of rare wet woodland - a government priority habitat - featuring rare marsh marigold and bittercress.
- Harrisburg
- Harris, Frank
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- Harris hawk
- Harris, Joel Chandler
- Harrison, Benjamin
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- Harrison, Sir Rex
- Harrison, William Henry
- Harris, Sir Arthur Travers
- Harris tweed
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- harrowing
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- Harrowing of Hell
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- ablation
- ablation area