https://scholarworks.uni.edu/pias/vol90/iss3/9/
"The Vascular Flora of Roggman Boreal Slopes Preserve, Clayton County, " by Thomas G. Lammers
Charles and Anna Roggman Boreal Slopes is a 20 acre (8.1 ha) Nature Conservancy preserve situated on the floodplain and adjacent northfacing slope of a...