Seeds of Berberis nevinii. Seeds measure 3.5 to 4 mm. Collected 2014 at Regional Parks Botanic Garden located in Tilden Regional Park near Berkeley, CA
2010-11-07 Vienna XXII. district (Lobau heath/forest 155 m AMSL).In late autumn the leaves of Berberis vulgaris are among the latest to fall; they're contrasting nicely with the white bark of Populus alba: which are the two most salient species in this shot.