Oaks Archives - Center for Plant Conservation

As Seen on CPC’s Rare Plant Academy: Prioritizing species, populations, and regions for ex situ collecting: Threatened native U.S. oaks as a case study

Posted on March 7, 2023 (March 8, 2023) by Shannon Fowler

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Cedros Island Oak: Quercus cedrosensis

Tony Gurnoe, of the San Diego Botanic Garden, presented an overview of Quercus cedronsensis at the 2021 Channel Islands and California Native Oak Workshop. He discussed the range, distinguishing characteristics, habitat, and species specific threats, as well as recent conservation efforts. The San Diego Botanic Garden has collected acorn and tissue, and has successfully propagated […]

The Potential of Shoot Tip Plant Cryopreservation for the Ex Situ Conservation of Oaks.

Screenshot of The Potential of Shoot Tip Cryopreservation for the Ex Situ Conservation of Oaks video

Dr. Valerie Pence, Cincinnati Zoo & Botanical Garden Although there are published protocols for initiating shoot cultures for over 20 oak species, the cryopreservation of oak shoot tips has not been reported. We have applied the droplet vitrification protocol to four species of oaks, including the endangered Q. hinckleyi, in order to evaluate the feasibility of […]

Prioritizing species, populations, and regions for ex situ collecting: Threatened native U.S. oaks as a case study

Oaks are keystone species across the majority of forest and shrubland habitats in the United States, but many are threatened with extinction in the wild. Ongoing conservation efforts exist for some native U.S. oak species, but growing threats and limited resources necessitate prioritization and coordination. To that end, The Morton Arboretum, BGCI-US, and the U.S. […]

Seed Sampling Improvements for Quercus boyntonii

Sean Hoban, Emma Spence, and Patrick Thompson, The Morton Arboretum The Morton Arboretum seeks to improve the conservation value and genetic representation in ex situ collections by developing guidance for sampling seed. One example regards IUCN Critically Endangered Quercus boyntonii (Boynton sand post oak), which is endemic to Alabama and only occurs on exposed sandstone […]

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