The subregion has high diversity of floral species, though this is nto as high as areas to the north and wet.

SWA1 - 1019 Medium sparse woodland; jarrah & marri

SWA11027 Mosaic: Medium open woodland, jarrah & marri, with low woodland; banksia / Medium sparse woodland; jarrah & marri

SWA11039 Shrublands; mallee with scattered York gum

SWA11015 Mosaic: Shrublands; scrub-heath on the Swan Coastal Plain 1 Shrublands; dryandra heath

SWA1 1036 Low woodland; Banksia prionotes

SWA11038 Medium open woodland., eucalypts (e2?), with low woodland; Banksia attenuata & B. menziesii

SWA11020 Mosaic: Medium forest; jarrah-marri 1 Medium woodland; marri-wandoo

SWA1 1040 Medium woodland; York gum & Casuarina obesa

Calyptorynchus latirostris

Dasyurus geoffroi

Calyptorynchus baudinii

Leiopoa ocellata

Morelia spilota imbricata

No significant refugia are recognised for the subregion

there is high diversity, but compared with elsewhere (what/where) is it ?high?.

number of endemic reptiles, invertebrates and flora within the subregion. But no real/significant ?centres? of endemism in Swan Coastal Plain

large number of rare and threatened species and Ecological Communities ? see listing later in Synopsis.

There are no significant/major ?rare features? within the subregion that define or dominate the subregion(?)

tumulus springs etc

cave fauna, and tumulus spring fauna

and thrombolite communities