Howie et al., 2007. Pastures Australia Document reference Howie, J.; Lloyd, D.; Revell, C., 2007. Spineless burr medic. Pastures AustraliaWeb http://keys.lucidcentral.org/keys/v3/pastures/Html/Factsheet%20-%20Spineless%20b…Citation key Howie et al., 2007Datasheets Bur clover (Medicago polymorpha)
