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.

Botanic gardens play major roles in plant conservation globally.

Over the last few decades botanic gardens worldwide have been encouraged to adopt complementary measures for the conservation of plant species from their own

These best practices represent a compilation of previous CPC guidelines with updated

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.

Ulmus americana (American elm) was an important urban tree in North America prior to the introduction of the Dutch elm disease pathogen in 1930. Subsequently, urban and community forests were devastated by the loss of large canopies.

Access and benefit-sharing (ABS) refers to the way in which genetic resources
may be accessed, and how the benefits that result from their use are shared
between the people or countries using the resources (users) and the people or

Cycads are the most endangered of plant groups based on IUCN Red List assessments; all are in Appendix I or II of CITES, about 40% are within biodiversity ‘hotspots,’ and the call for action to improve their protection is longstanding.

Selecting the geographic origin—the provenance—of seed is a key decision in restoration. The last decade has seen a vigorous debate on whether to use local or nonlocal seed.