How to Identify Fagaceae

Fagaceae is a plant family in the Plantae kingdom, order Fagales, class Magnoliopsida. The family contains 194 accepted species worldwide. Some species in this family are toxic — exercise caution when handling unknown specimens.

Key Identification Features

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Representative Fagaceae Species

How to identify Quercus resinosa Liebm.

Quercus resinosa Liebm.

Quercus resinosa Liebm.

Quercus resinosa Liebm. is a large deciduous oak tree with big, thick, broadly e…

How to identify Quercus coccinea Münchh.

Quercus coccinea Münchh.

Quercus coccinea Münchh.

Quercus coccinea (scarlet oak) is a North American deciduous oak grown ornamenta…

How to identify Quercus palmeri (Engelm.) Engelm.

Quercus palmeri (Engelm.) Engelm.

Quercus palmeri (Engelm.) Engelm.

Quercus palmeri is a North American oak that includes the 13,000-year-old Jurupa…

How to identify Quercus fusiformis Small

Quercus fusiformis Small

Quercus fusiformis Small

Quercus fusiformis, the escarpment live oak, is a hardy evergreen oak native to …

How to identify Quercus oleoides Schltdl. & Cham.

Quercus oleoides Schltdl. & Cham.

Quercus oleoides Schltdl. & Cham.

Quercus oleoides is a slow-growing evergreen Mesoamerican oak of the southern li…

How to identify Quercus gilva Blume

Quercus gilva Blume

Quercus gilva Blume

Quercus gilva (red-bark oak) is an East Asian tree species in the beech family t…

How to identify Castanopsis indica (Roxb. ex Lindl.) A.DC.

Castanopsis indica (Roxb. ex Lindl.) A.DC.

Castanopsis indica (Roxb. ex Lindl.) A.DC.

Castanopsis indica is a nearly evergreen tree native from Nepal and Bhutan to Ta…

How to identify Quercus eduardi Trel.

Quercus eduardi Trel.

Quercus eduardi Trel.

Quercus eduardi is an oak species from central Mexico placed in the Quercus sect…

How to identify Quercus viminea Trel.

Quercus viminea Trel.

Quercus viminea Trel.

Quercus viminea is a North American oak native to western Mexico and southern Ar…

How to identify Quercus pyrenaica Willd.

Quercus pyrenaica Willd.

Quercus pyrenaica Willd.

Quercus pyrenaica Willd. is a marcescent deciduous oak native to southwest Europ…

How to identify Castanea ozarkensis Ashe

Castanea ozarkensis Ashe

Castanea ozarkensis Ashe

Castanea ozarkensis (Ozark chinkapin) is a North American native chestnut tree t…

How to identify Quercus laeta Liebm.

Quercus laeta Liebm.

Quercus laeta Liebm.

Quercus laeta Liebm. is a small tree with thick leathery dark green leaves, grow…

Browse all 194 Fagaceae species →

Frequently Asked Questions

How do you identify Fagaceae?

Fagaceae plants belong to the Fagales order in the Plantae kingdom. Like most oaks, it has a distinct, appealing scent. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Fagaceae?

Fagaceae is classified in the order Fagales, class Magnoliopsida, phylum Tracheophyta. The family contains 194 accepted species worldwide.

⚠️ Are any Fagaceae species poisonous?

Yes, some Fagaceae species are toxic or poisonous. Always exercise caution with unknown specimens. View poisonous Fagaceae species or browse the full poisonous species guide.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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