This checklist follows the FNA with the following changes for consistency with the Jepson Manual:
1.Heuchera caespitosa and Heuchera elegans merged into Heuchera caespitosa sensu lato
2.Heuchera micrantha var. diversifolia
Heuchera micrantha var. erubescens
Heuchera micrantha var. hartwegii
Heuchera micrantha var. macropetala
Heuchera micrantha var. micrantha
not recognized as valid ssp.

1. Lithophragma parviflorum & Lithophragma trifoliatum moved to ssp of Lithophragma parviflorum
2. Suksdorfia ranunculifolia & Suksdorfia violacea considered members of Hemieva

3. Follows Soltis in these generic changes:
   Mitella caulescens =Mitellastra caulescens
   Mitella diversifolia =Ozomelis diversifolia
   Mitella stauropetala =Ozomelis stauropetala
   Mitella trifida =Ozomelis trifida
   Conimitella williamsii =Ozomelis williamsii
   Mitella breweri =Pectiantia breweri
   Mitella ovalis =Pectiantia ovalis
   Mitella pentandra =Pectiantia pentandra

4. Includes Mitella prostrata, a poorly known eastern endemic related to Mitella diphylla but with alternate leaves