Pattern and Process in Rare Plant Conservation: an Assessment of the Southeastern U.s

............................................................................................................ 7 Introduction....................................................................................................... 8 Methods........................................................................................................... 10 Data Collection ................................................................................... 10 How are rare species distributed in the Southeast? ........................... 12 Are rare plants clustered within particular habitat types?................. 13 How is rarity distributed among taxonomic groups? ......................... 14 Data analysis ...................................................................................... 14 Results............................................................................................................. 15 How are rare species distributed in the Southeast? ........................... 15 Are rare plants clustered within particular habitat types?................. 16 How is rarity distributed among taxonomic groups? ......................... 16 Discussion ....................................................................................................... 17 Phytogeography and plant ecology of rarity ...................................... 17 Taxonomic patterns of rarity .............................................................. 22 References....................................................................................................... 34