@article{006138602, title = "Pollen morphology and plant taxonomy of red oaks quercus subgenus erythrobalanus in eastern north america", author = "Solomon, A.M.", year = "1983", journal = "American Journal of Botany", volume = "70", number = "4", pages = "495-507", issn = "0002-9122", doi = "10.2307/2443160", url = "https://eurekamag.com/research/006/138/006138602.php" }