Water-loving native and non-native trees and shrubs dominate the area.
Groves of these non-native trees still exist, even in rows as they were originally planted.
A small hill at one edge of the site serves as an arboretum for non-native trees, planted for Earth Day in 1990.
Some non-native trees, such as sweetgum, are also seen.
Unlike many other Bay Area parks, there are no large stands of non-native trees or shrubs.
Today the arboretum contains a good collection of native and non-native trees including the following species:
The original management to convert the coppice would have involved cutting down the non-native trees once the oak were sizable and growing straight upwards.
Church abandoned this realism in the final picture, incorporating for visual and compositional effect all kinds of non-native trees.
Plantations of exotic non-native trees use up large quantities of water, which can have adverse affects on natural habitats.
Between the access paths there is an informal park, with an artificial lake and non-native trees.