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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.
The purpose of these guidelines is to provide a consistent methodology for public garden staff to develop and categorize a list of cultivated taxa observed escaping from their locations of cultivation.
For more than two centuries, biodiversity collections have served as the foundation for scientific investigation of and education about life on Earth. The collections that have been assembled in
Mulches provide many benefits for trees and shrubs.
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.