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