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 small, individual flower, usually one in a dense cluster - such as in a grass spikelet or in a flower head of the Asteraceae family (daisies, dandelions, thistles, sunflowers).