Winged Elm - Provided to me by the Seek app (free).
I've walked around my neighborhood scanning all kinds of whatnot, pretty easy to use and it's been very accurate, though like anything it's not always 100%.
Seek is by iNaturalist.
iNaturalist: "Students at the University of California at Berkeley founded iNaturalist in 2008. It was a master's thesis project. Since 2014, the California Academy of Sciences and the National Geographic Society have run iNaturalist together"