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Oaks are critical to the health and function of forest and shrubland habitats in the United States, but many native oaks are threatened with extinction in the wild.
For many species and seed sources used in restoration activities, specific seed germination
requirements are often unknown. Because seed dormancy and germination traits can be
The Plant Materials Program of the USDA-Natural Resources Conservation Service has been involved in the collection, evaluation, selection and increase of conservation plants for over 75 years.