Transverse and Peninsular Ranges

Much of southern California is arid, with seasonal monsoonal rain. Pockets of relatively mesic habitat occur in the mountain ranges adjacent arid lowlands. Montane forests trap ocean fog or monsoonal precipitation, providing conditions suitable for northern temperate plants such as Pyrola dentata and P. aphylla. Although less common, P. picta also occurs in southern California, …

Baja California

On December 1, 2012 I drove with Thomas Stoughton (graduate student at RSABG) to Sierra de San Pedro Mártir in Mexico from Los Angeles County, California. The drive south along the Pacific Coast and ascension to the montane Parque Nacional are both thrilling. Previous to this trip, I located a single collection of Pyrola dentata from …