| | Flora Europaea - Cambridge University Press (Site not responding. Last check: 2007-10-29) |
 | | It aims to be simple as well as authoritative, and should enable the reader to name as far as its subspecies any fern, conifer or flowering plant growing wild or wildly cultivated. |
 | | The third of the volume covers the Dicotyledonous families from Diapensiaceae to Myoporaceae, following the Engler system. |
 | | Apart from keys and descriptions, information is given on geographical distribution and, where possible, on habitat preference and chromosome number. |
| www.cambridge.org /uk/catalogue/catalogue.asp?isbn=052108489X (286 words) |