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Ash tree species in North America are under mortal threat from the Emerald Ash Borer (EAB), now in 35 states and five Canadian provinces.
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.
Botanic gardens conserve plant diversity ex situ and can prevent extinction through integrated conservation action. Here we quantify how that diversity is conserved in ex situ collections across the world’s botanic gardens.
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.
Botanic gardens play major roles in plant conservation globally.
Contact your elected representatives and let them know how you feel about plants, our web of life, and the ecosystem services we all depend upon:
The discipline of horticulture, growing and propagating plants under artificial conditions, has
a centuries-long tradition and has developed into a vital industry of breeding, propagating and
Over the last few decades botanic gardens worldwide have been encouraged to adopt complementary measures for the conservation of plant species from their own
These best practices represent a compilation of previous CPC guidelines with updated
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.