Ulmus sp.
Elm, Elm
(c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman · licence
Family: Ulmaceae · Type: Tree · Not Native
Ulmus sp. (Elm) is a non-native California tree in the Ulmaceae family.
How to tell it apart
vs Quercus: Ulmus has flat papery-winged fruits; oaks produce acorns in cups.; vs Alnus: Ulmus has round papery-winged fruits; alder has woody cone-like fruits.; vs Populus: Ulmus fruits are round papery wafers; Populus has cottony seeds on wind.; vs Platanus: Ulmus has individual papery-winged fruits; Platanus has spiky balls hanging on strings.; vs Fraxinus: Ulmus fruits are round papery wafers; ash fruits are single-winged paddles.
Frequently asked questions
Is Ulmus sp. native to California?
No. Ulmus sp. is not native to California (recorded as not native).
What plant family does Ulmus sp. belong to?
Ulmus sp. is in the Ulmaceae family, genus Ulmus.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.