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!
An inflorescence (cluster of flowers) consisting of a dense spike or raceme of apetalous, unisexual flower as in Salicaceae and Betulaceae; an ament (a cylindrical flower cluster).