Sambucus caerulea  Raf.

Ubiquity:  Very common

Distritution: Throughout

Plant Communities: Many, including Riparian

Habitats:  Moist, sunny or shaded slopes/canyons/streamsides/streambanks/ & ditches; in volcanic, metamorphic, & sedimentary areas.  Occasionally in serpentine areas

Elevations: 10-2600'

Comments:  New Jeps. lumps with S. mexicana.  Trees in Napa Co. seem distinct

Updated:  1/8/98

Sambucus mexicana  Presl.

Ubiquity:  Common

Distritution: Throughout except Napa Marsh

Plant Communities: Blue Oak Woodland, Regular Chaparral

Habitats: Dry, sunny, brushy or wooded slopes/canyons/plateaus/ & valley floors; in volcanic or sedimentary areas. Occasionally along seasonal drainages in serpentine areas

Elevations:  50-2500'

Comments: Appears distinct from S. caerulea anatomically & ecologically

Updated:  1/8/98