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