Galium johnstonii (Johnston's bedstraw) is a plant species in the Rubiaceae. It is endemic to California, United States, known from four counties: San Bernardino, Los Angeles, Riverside and San Diego.Biota of North America ProgramDempster, Lauramay Tinsley & Stebbins, George Ledyard. 1971. Madroño 21(2): 84 It is dioecious, with male and female flowers on separate plants.
References
External links Gardening Europe