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 seed plant that does not flower - in which the ovules are not contained within an ovary, and are "naked"; the ovary maturing to a seed protected by a surrounding cone or fleshy appendages.