Trees and Shrubs of Tilden Regional Park
A guide to the woody trees and shrubs of Tilden Nature Area and Tilden Regional Park.
If a species isn't on this guide, document it!
hillside gooseberry
Ribes californicum, with the common name Hillside gooseberry, is a native species of currant. It is endemic to California, where it can be found throughout many of the California Coast, Transverse, and Peninsular Ranges in local habitat types such as chaparral and woodlands.
Red-flowering Currant
Ribes sanguineum (flowering currant or red-flowering currant) is a species of flowering plant in the family Grossulariaceae, native to western coastal North America from central British Columbia south to central California.
Cotoneaster
Cotoneaster /kəˈtoʊniːˈæstər/ is a genus of flowering plants in the rose family, Rosaceae, native to the Palaearctic region (temperate Asia, Europe, north Africa), with a strong concentration of diversity in the genus in the mountains of southwestern China and the Himalayas. They are related to hawthorns (Crataegus), firethorns (Pyracantha), photinias ...more ↓
Himalayan Blackberry
Rubus armeniacus, Armenian Blackberry or Himalayan Blackberry, is a species of Rubus in the blackberry group Rubus subgenus Rubus series Discolores (P.J. Müll.) Focke. It is native to Armenia and Northern Iran, and widely naturalised elsewhere. Both its scientific name and origin have been the subject of much confusion, with much of the ...more ↓
Thimbleberry
Rubus parviflorus, commonly called thimbleberry, is a species of Rubus, native to western and northern North America, and the Great Lakes region....
California Blackberry
Rubus ursinus is a species of blackberry or dewberry known by the common names California blackberry, California dewberry, Douglas berry, Pacific blackberry or Pacific dewberry and trailing blackberry. It is native to western North America. This is a wide, spreading shrub or vine-bearing bush with prickly branches that can tip layer to spread ...more ↓
Toyon
Heteromeles arbutifolia (/ˌhɛtɨrɵˈmiːliːz ɑrˌbjuːtɨˈfoʊliə/; more commonly /hɛtəˈrɒməliːz/ by Californian botanists), commonly known as Toyon, is a common perennial shrub native to California down to Baja California.
osoberry
Oemleria cerasiformis, a shrub commonly known as osoberry or Indian plum, is the sole species in genus Oemleria.
Pacific ninebark
Physocarpus capitatus, commonly called Pacific ninebark or tall ninebark, is a species of Physocarpus native to western North America from southern Alaska east to Montana and Utah, and south to southern California.
Buckbrush
Ceanothus cuneatus is a species of flowering shrub known by the common names buckbrush and wedgeleaf ceanothus.
blueblossom
Ceanothus thyrsiflorus, known as blueblossom or blue blossom ceanothus, is an evergreen shrub in the genus Ceanothus that is endemic to California. The term 'Californian lilac' is also applied to this and other varieties of ceanothus, though it is not closely related to Syringa, the true lilac.
Manzanitas
Arctostaphylos (/ˌɑrktɵˈstæfɨləs/;arkto bear + staphyle grape) is a genus of plants comprising the manzanitas /ˌmænzəˈniːtə/ and bearberries. They are shrubs or small trees.
Pacific Madrone
Arbutus menziesii (Pacific madrona, madrone or Arbutus) is a species of tree in the family Ericaceae, native to the western coastal areas of North America, from British Columbia to California.
Red Osier Dogwood
Cornus sericea, syn. C. stolonifera, Swida sericea, (red osier dogwood) is a species of flowering plant in the family Cornaceae, native throughout northern and western North America from Alaska east to Newfoundland, south to Durango and Nuevo León in the west, and Illinois and Virginia in the east. Other names include red willow, redstem dogwood, redtwig ...more ↓
Coyote Brush
Baccharis pilularis, called Coyote Brush (or Bush), Chaparral Broom, and Bush Baccharis, is a shrub in the Asteraceae that grows in California, Oregon, Baja California, and New Mexico....
Pacific Poison Oak
Toxicodendron diversilobum, commonly named Pacific poison oak or western poison oak (syn. Rhus diversiloba), is in the Anacardiaceae family (the sumac family).
Peruvian peppertree
Peruvian pepper (Schinus molle, also known as American pepper, Peruvian peppertree, escobilla, false pepper, molle del Peru, pepper tree,peppercorn tree, Californian pepper tree, pirul and Peruvian mastic.) is an evergreen tree that grows to 15 meters (50 feet). It is native to the Peruvian Andes. The ...more ↓
Bigleaf Maple
Acer macrophyllum (bigleaf maple or Oregon maple) is a large deciduous tree in the genus Acer.
Box Elder
Acer negundo is a species of maple native to North America. Box elder, boxelder maple, and maple ash are its most common names in the United States.
Tasmanian Blue Gum
The Tasmanian Blue Gum, Southern Blue Gum or Blue Gum, (Eucalyptus globulus) is an evergreen tree, one of the most widely cultivated trees native to Australia. They typically grow from 30 to 55 m (98 to 180 ft) tall. The tallest currently known specimen in Tasmania is 90.7 m tall (297 ft). There are historical claims of even taller trees, the tallest being 101 m ...more ↓
Coast Live Oak
Quercus agrifolia, the Coast Live Oak, is an evergreen oak (highly variable and often shrubby), native to the California Floristic Province. It grows west of the Sierra Nevada from Mendocino County, California, south to northern Baja California in Mexico. It is classified in the red oak section (Quercus sect. Lobatae).
white alder
Alnus rhombifolia, the white alder, is an alder tree native to western North America, from British Columbia and Washington east to western Montana, southeast to the Sierra Nevada, and south through the Peninsular Ranges and Colorado Desert oases in Southern California. It occurs in riparian zone habitats at an altitudes range of 100–2,400 metres (330–7,900 ft). While not ...more ↓
Red Elderberry
Sambucus racemosa is a species of elderberry known by the common name Red Elderberry.
Western Leatherwood
Dirca occidentalis, or Western Leatherwood, is a deciduous shrub with leaves three to seven centimeters in length. Yellow flowers emerge prior to leafing. It grows on moist and shaded slopes. It is rare and endemic to the San Francisco Bay area of California. Its closest relative, Dirca palustris, lives in the Eastern half of North America.
Willows
Willows, sallows, and osiers form the genus Salix, around 400 species of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere. Most species are known as willow, but some narrow-leaved shrub species are called osier, and some broader-leaved species are referred to as sallow (from Old ...more ↓
European Holly
Ilex aquifolium (holly, common holly, English holly, European holly, or occasionally Christmas holly), is a species of holly native to western and southern Europe, northwest Africa, and southwest Asia.I. aquifolium is the species familiar in Christmas decoration, and is regarded as the type species of the genus Ilex, which by ...more ↓
