galium mexicanum

Galium mexicanum (Mexican bedstraw) is a species of plant in the family Rubiaceae. It has a widespread distribution from British Columbia south to Ecuador.

Four subspecies are currently recognized (May 2014):

Galium mexicanum subsp. asperrimum (A.Gray) Dempster - from Washington state to northern Mexico

Galium mexicanum subsp. asperulum (A.Gray) Dempster - British Columbia, Montana, Washington, Oregon, California, Nevada

Galium mexicanum subsp. flexicum Dempster - Texas and Coahuila

Galium mexicanum ...