Dunn, B. 2011. Improved germination of two Sphaeralcea A. St.-Hil. (Malvaceae) species with scarification plus stratification treatments. Native Plants Journal. 12(1): 13-17.
Dunn, B. 2011. Improved germination of two Sphaeralcea A. St.-Hil. (Malvaceae) species with scarification plus stratification treatments. Native Plants Journal. 12(1): 13-17.