My followup to 'walnut again?'

Springfield, OR(Zone 8a)

I couldn't pick out enough from the photos myself to learn, but/so I am concerned about some "trees" in my yard. Can somebody help me with ID. I know there's an ID forum, but I thought since I'm following on the heels of another thread here it would fit.

Thanks for any help.

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Scott County, KY(Zone 5b)

Your plant and images thereof sure look like some sort of Walnut species (Juglans sp.). Oregon is home to the cultivation of a lot of different species of nut trees, so this could be one of many - not to mention a native species here in the eastern US might grow better there because many of its natural enemies are not present.

I don't think that is Juglans nigra, but I can't categorically say which species you have.

Have you pinched/crushed a leaf, to see if it has the distinctive Walnut odor/fragrance?

Lake Stevens, WA(Zone 8a)

Hi Turtles. A few more photos could help a lot. Try to get closeup of a 'leaf scar'. Are there any bigger trees there, so maybe you could look for a nut or seed on the ground? Are there any thorns? Are they all little 'trees" like the one pictured or do they generally grow shrubbily (I just made that word up).
The deciduous trees with alternate compound leaves include the walnuts and hickories, but also Sorbus (includes native Mountain Ashes and the naturalized European mountain ash) and even the dreaded Tree-of-Heaven Ailanthus altissima. Honey locust has thorns, except that there are some thornless ones planted in yards. Look at your neighbors yards-if these are sprouting all over your yard, the seeds or roots had to come from somewhere. Once you find a bigger tree, you should find flowers or fruit of some kind.
Here is a close up of a twig with leaf scar. Leaf scars are very helpful for identification.

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East Bridgewater, MA

13 Turtles, I post my ID picks here all the time and no one complains, so feel free to post any tree you want to know!

Springfield, OR(Zone 8a)

:~D Thank you neefman!

Springfield, OR(Zone 8a)

Is this what you mean, mlm?

Also, there are no thorns. I can't really tell between shrubbily or treely. I would have expected walnut to grow slowly, just because it's a hardwood (?), but the biggest one here has grown from not showing to about 6 or 7 feet in just two years, I think. Less than three years anyway. I think my neighbors. All mow them down.

(I can see that pic focus is poor, I'll see if I can get better.)

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