![]() ![]() Learn more by visiting the Auburn University Donald E.Promoting awareness of rare species like this one help to ensure their protection. These reports help scientists better understand how and where this rare species grows. If you find what you think might be Alabama Sandstone Oak, you may record observations using citizen science apps like iNaturalist or by contacting the Auburn University Donald E. Groups including the Global Conservation Consortium for Oak and the International Oak Society support work to preserve this species, but no one has a better chance to protect this critically imperiled species than the people of Alabama. The Alabama Sandstone Oak is the only tree species endemic to Alabama. Oaks support numerous species including these Datana caterpillars. The United States Forest Service also has an effort to establish an acorn orchard to produce enough acorns to augment wild populations and make the species available to the public.įigure 11. The acorns are kept in living collections because they cannot be stored long-term in a seedbank. Acorns are distributed to various secure botanical gardens and arboreta to be grown for conservation safeguarding and research. Davis Arboretum and the Huntsville Botanical Garden continue to carefully propagate this species by selectively collecting acorns for repositories and outgrowth. This includes additions to Oak Mountain State Park (2022) (figure 10) and the purchase of the Hinds Road Outcrop by the Forever Wild Program (2015).Īuburn University Donald E. Recent land acquisitions by the State of Alabama protect the two largest known populations of the Alabama Sandstone Oak. In addition to continued habitat loss, Alabama Sandstone Oaks suffer pressure from invasive plant species, and the shallow soils they occupy on rock outcrops are susceptible to extreme weather events such as heat A large population of Alabama Sandstone Oak from Oak Mountain State Park. Cupule has a ciliate (hairs projecting out) margin (figure 9).įigure 10.Cupule (acorn cap) covers from a quarter (figure 7) to more than half (figure 8) of the acorn.Acorn varies in length (10 to 18 millimeters) and width (8 to 13 millimeters). ![]()
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