The Red List of US Oaks report details for the first time the distributions, population trends, and threats facing all 91 native oak species in the U.S.

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.

Contact your elected representatives and let them know how you feel about plants, our web of life, and the ecosystem services we all depend upon:

In a pollen supplementation experiment, fruit or seed production by flowers exposed to natural pollination is compared to that following hand pollination either by pollen supplementation (i.e.

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