CUPRESSACEAE - Cypress Family
Shrubs or small trees, often grown in gardens as specimen plants. About 140 species, mostly in temperate regions. Western Australia has nine native species plus at least one naturalised.
(cypress-pines) is largely an Australian genus with roughly spherical
cones made of six valves, three short and three long. There are five
Western Australian species but several eastern Australian species
have been planted and
C. columellaris (coastal pine) has escaped into John Forrest National Park and onto roadsides near North Dandalup. (It can be distinguished from the superficially similar local native Actinostrobus pyramidalis because that has all the cone valves equal in size and grows in swampy, winter wet soil.) In addition, C. glaucophylla, C. robusta and C. verrucosa have escaped from the arboretum at Dryandra, and possibly also at other sites.
PINACEAE - Pine Family
A family of Northern Hemisphere trees, important for their timber. Many have been grown experimentally in Western Australia, but did not perform well until their fungal partners were also introduced.
Two species of
(pines) have been planted extensively and their seedlings
are naturalising away from the plantations.
(maritime pine) has pairs of leaves (needles)
pine, radiata pine) has needles in threes and comes from
California. Both are invading road verges and bushland
between Perth and Albany. Other species recorded as
spreading from plantings include P.
(Canary Island pine),
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