Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Read Edible Wild Plants: Oak from Lytton Musselman and the Southern Appalachian Botanical Society.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Overcup Oak, Swamp White Oak
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Will Stuart wil_6989198558_8cecde7cd9
April Dorchester County SC
Francis Biedler Forest
The leaves are indeed lyre-shaped. Will Stuart
Richard and Teresa Ware rtw_quercus_lyrata_acorn
Acorns adapted to for dispersal amid floods, the cup surrounding the nut, per Woody Plants of the Southeastern US: A Winter Guide.
Richard and Teresa Ware rtw_quercus_lyrata_bark
Bark grayish to brown, scaly or with thick scaly ridges or plates, per Woody Plants of the Southeastern US: A Winter Guide.
Richard and Teresa Ware rtw_quercus_lyrata_leaves
Leaf lobes with acute apices; sinuses often both broad and "flat-bottomed", per Weakley's Flora.