IUCN SSC Global Tree Specialist Group & Botanic Gardens Conservation International (BGCI). 2020. Quercus stewardiana. The IUCN Red List of Threatened Species 2020: e.T78977021A162853778. https://dx.doi.org/10.2305/IUCN.UK.2020-1.RLTS.T78977021A162853778.e. Accessed on 26 September 2025.
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Distribution map
Molecular data
Quercus stewardiana on GenBank NCBI
Online Plant Databases
Quercus stewardiana on EFLORAS
Quercus stewardiana on Encyclopedia of Life
Quercus stewardiana on ePIC RBG Kew
Quercus stewardiana on GBIF
Quercus stewardiana on IPNI
Quercus stewardiana on The Plant List
Quercus stewardiana in the online Kew Herbarium Catalogue
Quercus stewardiana in the online MNHN Paris Herbarium Catalogue
Quercus stewardiana in the online Naturalis Leiden Herbarium Catalogue
Quercus stewardiana on Tropicos
Quercus stewardiana on Wikispecies
Quercus stewardiana on JSTOR Global Plants
Quercus stewardiana on EUROPEANA Collections
Scanned TYPES
TYPES of Quercus stewardiana on JSTOR Global Plants
TYPES of Quercus stewardiana on Kew Herbarium Catalogue
TYPES of Quercus stewardiana on MNHN Paris
Search for TYPES of Quercus stewardiana in the online Naturalis Leiden Herbarium Catalogue
Images
Quercus stewardiana on Google Image Search
Online libraries
Quercus stewardiana in Biodiversity Heritage Library
Search for Quercus stewardiana on Botanicus.org
Scientific literature (ongoing)