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California Phenology Project
The USA-NPN has contributed to the development of many peer-reviewed publications. See them by their USA-NPN Category; Uses the USA-NPN Protocols, Uses the USA-NPN Contemporary or Legacy Data, or Describes the USA-NPN Program and Collaborations.
- Title Patterns of plant development in the Western United States Category: Uses the USA-NPN Contemporary or Legacy Data Source: Montana Agricultural Experiment Station Bulletin Year: 1966
- Title Phenology of lilac bloom in Montana Category: Uses the USA-NPN Contemporary or Legacy Data Source: Science Year: 1957