20 August 2020.
Dubuque County, Iowa, United States
Locality: White Pine Hollow State Preserve located approximately 2.65 miles northwest of Luxemburg, T90N R2W SE 1/4 Sec. 7, Dubuque County
Coordinates: 42.6195, -91.1193
(Map it)
Elevation: 308m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: High-quality remant mixed woods
Number of plants sampled: 6
Associated species: Carpinus caroliniana, Tilia americana, Acer saccharum, Quercus rubra, Quercus alba, Ostrya virginiana, and Ulmus sp.
Comment: During collection 20 August (2020) majority of the specimens noted (SE 1/4 Sec. 7) had fully opened cones while a small porportion of specimens still had rather green, tight cones. Peak maturity likely occurred around 15 August (2020) at the collection site in nature. Cone production in 2020 was variable and slightly below average.
Collector(s):
04 March 2021.
Dubuque County, Iowa, United States
Habitat: Wild Habitat
Number of plants sampled: 9
Comment: Recollection. Scion collection.
Collector(s):
23 August 2022.
Dubuque County, Iowa, United States
Habitat: Wild Habitat
Number of plants sampled: 5
Comment: Recollection. Additional genetics.
Collector(s):
21 August 2023.
Dubuque County, Iowa, United States
Habitat: Wild Habitat
Number of plants sampled: 6
Comment: Recollection. Additional genetics.