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