08 August 2009.
Iowa, United States
Locality: Private Property of David and Nan Horst, SE 1/4 of NE 1/4 of Section 30, T84N, R7E, Savanna (IA-IL) Quad, Sabula, Jackson County.
Coordinates: 42.0578, -90.1831
(Map it)
Elevation: 213m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Dense canopy. Rich organic soil in limestone scree. Steep east facing slope.
Associated species: Acer saccharum, Fraxinus americana, Gymnocladus dioicus, Morus alba, Prunus serotina, Staphylea trifolia, and Toxicodendron radicans.
Comment: Dug seedlings from the forest floor.
Collector(s):