Here is an online book of the useful plants of the people once called Thompson Indians......
https://archive.org/stream/cbarchive_12 ... 95#page/n3
All The Best
They still are the Thompsons with many individual bands over many different biogeoclimatic zones.
I can imagine that their trading network was very elaborate.
I see the publication date of 1895 predates even the Jesup Expedition.
Nice to read so many familiar names.