(also known as Austrian peaweed, red bladder-vetch)
Sphaerophysa salsula (Pall.) DC.
Phaca salsula Pall.
Swainsona salsula (Pall.) Taubert
- Moss, Flora of Alberta – No
- Global Invasive Species Database –
- NatureServe I-Rank – Not yet assessed
- AB Weed Act status – ?
 Link to Wikipedia, Sphaerophysa salsula - "...native to Asia but it is known in many other parts of the world as an introduced species and often a noxious weed. It grows in cultivated land and disturbed habitat, easily tolerating alkaline substrates. It is commonly seen in areas where alfalfa is grown, because the seeds of the two species look similar and the weed seed is easily imported with the crop seed. ...a long-lived perennial herb growing up to 1.5 meters tall. It reproduces via seed as well as by sprouting vigorously from its creeping root system..."
 Link to USDA Plants, Profile and map for Sphaerophysa salsula (Pall.) DC., alkali swainsonpea
 Link to Alberta Invasive Species Council Factsheet for alkali-swainsonpea