==References====Further reading==*Robert Graham Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge, 1851*1670 and all that: a brief chronology Royal Botanic Garden Edinburgh==External links==
* Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge: Robert Graham* Royal Botanic Garden Edinburgh: 1670 and all that: a brief chronology* Australian Plant Name Index (APNI): Lasiopetalum macrophyllum Graham