| FAMILY |
SCIENTIFIC NAME |
COMMON NAME |
NATIVE |
CODE |
COMMENTS |
| 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 |
