The USA-NPN website will be temporarily unavailable for scheduled maintenance beginning late Sunday, July 26 through early Monday, July 27 (EDT). Thank you for your patience and understanding.
We are undertaking a major revision of our Nature's Notebook data collection app to make it easier and more fun to track plant and animal seasonal activity!
A horizontal, modified, underground root-like stem of a plant, often having adventitious roots and shoots from its (stem) nodes and having scales subtending the buds or shoots at its nodes or scale scars, and typically thick, fleshy or woody