You selected Quercus undulata var. gunnisonii (Torr. & A.Gray) Engelm. This is a synonym for:

Accepted scientific name:
Quercus gambelii Nutt. (accepted name) 1 literature reference for Quercus gambelii Nutt.
Synonyms:
Quercus alba var. gunnisonii Torr. & A.Gray (synonym) 1 literature reference for Quercus alba var. gunnisonii Torr. & A.Gray
Quercus albifolia C.H.Mull. (synonym) 1 literature reference for Quercus albifolia C.H.Mull.
Quercus confusa Wooton & Standl. (synonym) 1 literature reference for Quercus confusa Wooton & Standl.
Quercus douglasii var. gambelii (Nutt.) A.DC. (synonym) 1 literature reference for Quercus douglasii var. gambelii (Nutt.) A.DC.
Quercus douglasii var. novomexicana A.DC. (synonym) 1 literature reference for Quercus douglasii var. novomexicana A.DC.
Quercus eastwoodiae Rydb. (synonym) 1 literature reference for Quercus eastwoodiae Rydb.
Quercus gambelii var. bonina S.L.Welsh (synonym) 1 literature reference for Quercus gambelii var. bonina S.L.Welsh
Quercus gambelii subsp. eugambelii A.Camus (synonym) 1 literature reference for Quercus gambelii subsp. eugambelii A.Camus
Quercus gambelii var. gunnisonii (Torr. & A.Gray) Wenz. (synonym) 1 literature reference for Quercus gambelii var. gunnisonii (Torr. & A.Gray) Wenz.
Quercus gambelii var. novomexicana (A.DC.) Garrett (synonym) 1 literature reference for Quercus gambelii var. novomexicana (A.DC.) Garrett
Quercus gambelii var. utahensis (A.DC.) Garrett (synonym) 1 literature reference for Quercus gambelii var. utahensis (A.DC.) Garrett
Quercus gambelii var. vreelandii (Rydb.) A.Camus (synonym) 1 literature reference for Quercus gambelii var. vreelandii (Rydb.) A.Camus
Quercus gambelii subsp. vreelandii (Rydb.) A.Camus (synonym) 1 literature reference for Quercus gambelii subsp. vreelandii (Rydb.) A.Camus
Quercus gunnisonii Rydb. (synonym) 1 literature reference for Quercus gunnisonii Rydb.
Quercus leptophylla Rydb. (synonym) 1 literature reference for Quercus leptophylla Rydb.
Quercus marshii C.H.Mull. (synonym) 1 literature reference for Quercus marshii C.H.Mull.
Quercus media Wooton & Standl. (synonym) 1 literature reference for Quercus media Wooton & Standl.
Quercus nitescens Rydb. (synonym) 1 literature reference for Quercus nitescens Rydb.
Quercus novomexicana (A.DC.) Rydb. (synonym) 1 literature reference for Quercus novomexicana (A.DC.) Rydb.
Quercus novomexicana var. andrewsii Trel. (synonym) 1 literature reference for Quercus novomexicana var. andrewsii Trel.
Quercus novomexicana var. nitescens (Rydb.) A.Camus (synonym) 1 literature reference for Quercus novomexicana var. nitescens (Rydb.) A.Camus
Quercus novomexicana var. typica A.Camus (synonym) 1 literature reference for Quercus novomexicana var. typica A.Camus
Quercus obtusifolia Rydb. (synonym) 1 literature reference for Quercus obtusifolia Rydb.
Quercus pauciloba subsp. confusa (Wooton & Standl.) A.Camus (synonym) 1 literature reference for Quercus pauciloba subsp. confusa (Wooton & Standl.) A.Camus
Quercus stellata var. utahensis A.DC. (synonym) 1 literature reference for Quercus stellata var. utahensis A.DC.
Quercus submollis Rydb. (synonym) 1 literature reference for Quercus submollis Rydb.
Quercus subobtusifolia A.Camus (synonym) 1 literature reference for Quercus subobtusifolia A.Camus
Quercus undulata var. gambelii (Nutt.) Engelm. (synonym) 1 literature reference for Quercus undulata var. gambelii (Nutt.) Engelm.
Quercus undulata var. gunnisonii (Torr. & A.Gray) Engelm. (synonym) 1 literature reference for Quercus undulata var. gunnisonii (Torr. & A.Gray) Engelm.
Quercus undulata var. obtusifolia A.DC. (synonym) 1 literature reference for Quercus undulata var. obtusifolia A.DC.
Quercus utahensis (A.DC.) Rydb. (synonym) 1 literature reference for Quercus utahensis (A.DC.) Rydb.
Quercus utahensis subsp. euutahensis A.Camus (synonym) 1 literature reference for Quercus utahensis subsp. euutahensis A.Camus
Quercus utahensis var. mollis Sarg. (synonym) 1 literature reference for Quercus utahensis var. mollis Sarg.
Quercus utahensis subsp. submollis (Rydb.) A.Camus (synonym) 1 literature reference for Quercus utahensis subsp. submollis (Rydb.) A.Camus
Quercus utahensis var. submolllis (Rydb.) Sarg. (synonym) 1 literature reference for Quercus utahensis var. submolllis (Rydb.) Sarg.
Quercus vreelandii Rydb. (synonym) 1 literature reference for Quercus vreelandii Rydb.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Fagales
Family Fagaceae
Genus Quercus
Distribution: WC. & SC. U.S.A. to N. Mexico
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 11-Nov-2003
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=172843&repSynonym_id=-9998&name_id=172843&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:25d32eb2-60a7-102d-be47-00304854f810:ac2010