Trees of the BCEP

Anacardiaceae Pistacia chinensis Ornamental Pistachio NO T small to medium trees scattered throughout the reserve
Betulaceae Alnus rhombifolia White Alder YES T
Ericaceae Arbutus menziesii Pacific Madrone YES T a single large shrubby tree growing near the north-west property line. planting from neighbors?
Fabaceae Robinia pseudoacacia Black Locust NO T scattered along Butte Creek and throughout riparian zone
Fagaceae Quercus douglasii Blue Oak YES T most are young trees, many are restoration plantings
Quercus lobata Valley Oak YES T
Quercus X morehus Oracle Oak YES T one 10' tree observed near gated parking/entrance area, a 45' tree grows in a rocky ravine further west
Quercus wislizeni var. wislizeni Interior Live Oak YES T
Juglandaceae Juglans hindsii  Northern California Black-Walnut YES T several large trees observed, smaller trees common, pith chambered. Treated as Juglans californica S. Watson var. hindsii Jeps. In The Jepson Manual [Ed.1]
Moraceae Ficus carica Edible Fig NO T tends to be considered a garden escape or waif and not naturalized
Morus alba White Mulberry NO T these trees have two leaf forms, see photos
Oleaceae Fraxinus latifolia Oregon Ash YES T
Olea europaea Olive NO T scattered, small to medium trees 
Pinaceae Pinus (halepensis) Aleppo Pine NO T some small to medium trees in brushy area south and east of entrance. needles 2,  6-12 cm long, bark is orange-red but no cones to complete identification
Pinus ponderosa Pacific Ponderosa Pine YES T one 30' tree, with a forked trunk, grows on old dredge tailings. this pine rarely grows at or below this elevation
Pinus sabiniana Gray Pine YES T on dryer soils, common throughout the preserve
Platanaceae Platanus racemosa Western Sycamore YES T
Platanus X acerifolia London Plane-Tree NO T accepted name for taxon occurring in CA only as a waif and/or garden escape, not considered naturalized
Rosaceae Cercocarpus betuloides var. betuloides Birch-Leaved Mountain Mahogany YES T/S restoration planting
Malus sylvestris Apple NO T several small to medium trees observed 
Prunus dulcis Almond NO T several small to medium trees observed. The poor attached photo only shows an aborted fruit
Pyrus communis Common Pear NO T a single young tree grows near the upper north-east end of the preserve. this tree has reverted to a wild form with tiny fruits and spiny branches
Salicaceae Populus fremontii subsp. fremontii Fremont's Cottonwood YES T existing and restoration planted trees common throughout the reserve. many large older trees
Salix gooddingii Goodding's Black Willow YES T a common willow tree, usually growing in rocky ravines. tree willows can also be shrubs especially if damaged while young
Salix laevigata Red Willow YES T less common than black willow, similar habitat
Sapindaceae Acer negundo var. californicum Box-Elder YES T restoration plantings, genus previously included in Aceraceae
Simaroubaceae Ailanthus altissima Tree-Of-Heaven NO T abundant at western end of reserve, on DFG property, especially in burned area