They present a list of the 158 species and 3 subspecies that are currently regarded as Cape Peninsula endemics, with discussion on the profile of the endemic flora, plant hotspots within the area, and conservation issues.
I wonder how many we have identified on iSpot
The Friends of Silvermine have this to offer
http://scenicsouth.co.za/identify-the-wild-flowers-of-silvermine-and-the-cape-peninsula/