You are here

Featured Resource

An algorithm competition for automatic species identification from herbarium specimens

Plant biodiversity is threatened, yet many species remain undescribed. It is estimated that >50% of undescribed species have already been collected and are awaiting discovery in herbaria. Robust automatic species identification algorithms using...

Resource
7/6/20
Cyanea kuhihewa: Rediscovering one of Hawai'i's rarest trees

With 90% of its nearly 1,400 native plants classified as endemic, Hawai'i has one of the highest levels of endemism of any floristic region of the world. Although Cyanea is one of the most species-rich flowering plant genera in Hawai'i, nearly half of...

Resource
2/25/20
Research Gaps and Challenges in the Conservation and Use of North American Wild Lettuce Germplasm

The North American crop wild relatives (CWR) of lettuce (Lactuca L.) represent an underexplored
pool of genetic diversity of potential value to breeding programs.  In this review, we examine the role of herbarium and genebank holdings in...

Resource
11/1/19
Distributions and Conservation Status of Carrot Wild Relatives in Tunisia: A Case Study in the Western Mediterranean Basin

Crop wild relatives, the wild progenitors and closely related cousins of cultivated plant
species, are sources of valuable genetic resources for crop improvement. Persisting gaps
in knowledge of taxonomy, distributions, and...

Resource
10/2/19
Ten-Year Performance of the United States National Elm Trial

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. Tree improvement...

Resource
11/16/18
Vascular plant extinctions in California: A critical assessment

Extinctions of species and subspecific taxa in hotspots of biodiversity deserve special attention. After more than 40 years of major efforts, estimates of extinct plant taxa in California seem to be somewhat stabilized. The time is...

Resource
3/12/18
Plant Diversity in a Changing World: Status, trends, and conservation needs

Although only a minority of plant species have a specific human use, many more play important roles in natural ecosystems and the services they provide, and rare species are more likely to have unusual traits that could be useful in the future. The ...

Resource
1/12/18