Here's another vetch.
I'm vexed by the vetches because I can't distinguish between the many different varieties.
But hey, I got beans on this one.
Beans/Legume (with some leaf detail):
The full plant was a messy mass:
And what is it?
My guess would be
American Vetch (Vicia americana)
Googling tells me the blossom and legume both look similar, and the ferny leaves of course.
(Lists the Vetches native to North Dakota)
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Family Fabaceae – Pea family
Genus Astragalus L. – milkvetch P
Contains 419 Species and 688 accepted taxa overall
Size/proportion: Actual size of beans is about 3/4 inch long. So the beans are very tiny, almost unnoticeable. Similar with the flowers.