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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
The Hamamelidaceae has genera with named cultivars, but only one cultivar registration authority for the genus Hamamelis.
The Systematics Collections Committee of the American Society of Plant Taxonomists has updated the recommendations on herbarium practices and ethics that were previously published by the Society in 1958 and 1973.
This Nomenclature Web Resource Guide was assembled by the Plant Nomenclature & Taxonomy Community.
This is a list of Online Resources for Nomenclatural Verification assembled by the Plant Nomenclature & Taxonomy Community.
This Online Herbaria Guide was assembled by the Plant Nomenclature & Taxonomy Community. It provides a list of herbaria for research purposes.
The University of British Columbia Botanical Garden compiled a spreadsheet of Collectors' references and expedition abbreviations with associated information that were gathered from various sources (mostly online resources). The spreadsheet is shared th
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