@inbook{Li+2017+12+15,
url = {https://doi.org/10.9783/9781512819601-007},
title = {SUMMER KEY TO THE GENERA},
booktitle = {Trees of Pennsylvania, the Atlantic States, and the Lake States},
author = {Hui-Lin Li},
publisher = {University of Pennsylvania Press},
address = {Philadelphia},
pages = {12--15},
doi = {doi:10.9783/9781512819601-007},
isbn = {9781512819601},
year = {2017},
lastchecked = {2026-04-29}
}