Deadline for submission: July 31, 2023 

The United States Department of Agriculture (USDA), Agricultural Research Service (ARS) funds expeditions to arrange germplasm exchanges with foreign genebanks.  Germplasm exchange...

Deadline for all exploration proposals: July 31, 2023 

Deadline for draft proposals (foreign explorations only): May 31, 2023 

The United States Department of Agriculture (USDA), Agricultural Research...

The American Public Gardens Association is partnering with the United States Forestry Service’s Forest Health Protection to establish living gene banks of US tree species at risk, by collecting plant material (seed, cuttings, as appropriate) from...

Ten years ago the Royal Botanic Gardens Victoria embarked on an ambitious project to collect, treat and distribute storm water from the catchment within and around the botanic garden. The infrastructure of wetlands filtration, a sophisticated water ...

Ash tree species in North America are under mortal threat from the Emerald Ash Borer (EAB), now in 35 states and five Canadian provinces. There are ongoing efforts to conserve this native tree species by producing genetically diverse, resistant...

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. using the IUCN Red List threat assessment platform, including updated versions of previously...

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. Ongoing conservation efforts exist for some species, but with growing threats and...

Canada is home to about 5087 species of higher plants of which 25% were introduced to Canada either deliberately or by accident. The richness of botanical species is highest in the southern, more densely settled parts of the country. About 364 native...

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. manual outcross pollen addition without bagging) or manual...

Originating in Europe in the 16th century, botanic gardens are found in nearly every country in the world. Botanic gardens have had various roles during this time, including as physic gardens, as adaptation centers for commercial crops, as pleasure...

In 2012, more than two million acres of important sage-brush habitat burned in four Western States. In the East, Hurricane Sandy caused not only widespread damage to homes and businesses, but also to native plant communities that stabilize soils and...