We acknowledge the herbaria that contributed data to this work: UNEX, BRI, AD, TRH, AKPM, B, BC, BIO, BOUM, CANB, CHR, COA, DNA, E, FR, G, GLM, GMNHJ, GZU, HO, HSS, INM, TOYA, KPM, NAC, LD, LEB, MGC, MA, MBK, FULD, MEL, TUB, YAMA, JCT, SAV, MNHM, MNHN, CNS, VIT, HGM, NMNL, NSW, O, OSA, PE, SALA, TAI, TKPM, US, VAL, W, WII, WU, PERTH.

@ARTICLE{Enquist_undated-aw, 
title  = "Botanical big data shows that plant diversity in the New World is driven by climatic-linked differences in evolutionary rates and   biotic exclusion", 
author = "Enquist, B J and Sandel, B and Boyle, B and Svenning, J-C and McGill, B J and Donoghue, J C and Hinchliff, C E and Jorgensen, P M and Kraft, N J B and Marcuse-Kubitza, A and Merow, C and Morueta-Holme, N and Peet, R K and Schildhauer, M and Spencer, N and Regetz, J and Simova, I and Smith, S A and Thiers, B and Violle, C and Wiser, S K and Andelman, S and Casler, N and Condit, R and Dolins, S and Guaderrama, D and Maitner, B S and Narro, M L and Ott, J E and Phillips, O and Sloat, L L and ter   Steege, H"}
@article{peet2012vegetation,
  
title={Vegetation-plot database of the Carolina Vegetation Survey},
  
author={Peet, Robert K and Lee, Michael T and Boyle, M Forbes and Wentworth, Thomas R and Schafale, Michael P and Weakley, Alan S},
  
journal={Biodiversity and Ecology},
  volume={4},
  pages={243--253},
  
year={2012}
}
@ARTICLE{Peet2012-qw,
 
title = "{VegBank}: a permanent, open-access archive for vegetation plot
 data",
 
author = "Peet, Robert K and Lee, Michael T and Jennings, Michael D and
 Faber-Langendoen, Don",
 
journal = "Biodivers. Ecol.",
 volume = 4,
 pages = "233--241",
 
year = 2012
}
GBIF.org (17 May 2018) GBIF Occurrence Download https://doi.org/10.15468/dl.yubndf

We acknowledge the herbaria that contributed data to this work: FCO, MO, NCU, AAU, GH, ASU, BAA, BIO, SEV, CANB, CAS, CHR, CICY, COL, CS, DAV, F, K, GZU, SD, USF, RELC, KPM, KSTC, LAGU, KU, LA, GMDRC, LD, MGC, IRVC, JOTR, LSU, DBG, HSC, UCSC, UCS, OBI, MEL, BABY, SBBG, SJSU, MNHN, JEPS, CIB, VIT, NMSU, NSW, CHSC, CDA, OSC, SI, POM, RSA, SALA, TAMU, UC, UCR, UNM, UPNA, US, UTEP, VAL, W, WU.