I've noticed this acacia in several Lowes stores this season. I couldn't find any information online about it, so I bought it - slashed down to $8.99. Took 200 grams of leaves and phyllodes, stuck them in the blender and did two pressure cooks with vinegar. Right now I'm evapping it down to a manageable amount and will add lye and then pull with naptha.
I also bought a salicina/willow acacia. I'll give that a test after I'm done with the jennerae.
I'm surprised more people aren't on this in the US. There's lots of acacias in the stores -I've seen stenophylla and mulga too.