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