Distribution map
Molecular data
Quercus phellos on GenBank NCBI
Online Plant Databases
Quercus phellos on EFLORAS
Quercus phellos on Encyclopedia of Life
Quercus phellos on ePIC RBG Kew
Quercus phellos on GBIF
Quercus phellos on IPNI
Quercus phellos on The Plant List
Quercus phellos in the online Kew Herbarium Catalogue
Quercus phellos in the online MNHN Paris Herbarium Catalogue
Quercus phellos in the online Naturalis Leiden Herbarium Catalogue
Quercus phellos on Tropicos
Quercus phellos on Wikispecies
Quercus phellos on JSTOR Global Plants
Quercus phellos on EUROPEANA Collections
Scanned TYPES
TYPES of Quercus phellos on JSTOR Global Plants
TYPES of Quercus phellos on Kew Herbarium Catalogue
TYPES of Quercus phellos on MNHN Paris
Search for TYPES of Quercus phellos in the online Naturalis Leiden Herbarium Catalogue
Images
Quercus phellos on Google Image Search
Online libraries
Quercus phellos in Biodiversity Heritage Library
Search for Quercus phellos on Botanicus.org
Scientific literature (ongoing)