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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.
This article covers tests conducted to better understand spatial and climatic patterns of diversification in the Orchidaceae, an angiosperm family characterized by high levels of species diversity and rarity.
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.
The Standards of Excellence in Plant Collections Management developed by the Plant Co
A companion Self-Assessment Tool is now available to help you evaluate your organization’s current level of collections management.
The need for integration of ex situ and in situ approaches in conservation of plants has long been recognized.
In 2012, more than two million acres of important sage-brush habitat burned in four Western States.
Impacts of global climate change, habitat loss, and other environmental changes on the world's biota and peoples continue to increase, especially on islands and in high elevation areas.