Achatocarpaceae	Barney L. Lipscomb
Acoraceae	Sue A. Thompson
Agavaceae	Susan Verhoek William J. Hess
Aizoaceae	Nancy J. Vivrette John E. Bleck Wayne R. Ferren Jr.
Alismataceae	Robert R. Haynes C. Barre Hellquist
Aloaceae	Walter C. Holmes Heather L. White
Amaranthaceae	Kenneth R. Robertson Steven E. Clemants
Amblystegiaceae	Lars Hedenäs
Andreaeaceae	Richard H. Zander
Andreaeobryaceae	Patricia M. Eckel
Anemiaceae	John T. Mickel
Annonaceae	Robert Kral
Anomodontaceae	Íñigo Granzow-de la Cerda
Apocynaceae	Mark FishbeinDavid E. LemkeAlexander Krings
Apodanthaceae	George Yatskievych
Aponogetonaceae	C. Barre Hellquist Robert R. Haynes
Araceae	Sue A. Thompson
Archidiaceae	John R. Spence
Arecaceae	Scott Zona
Aristolochiaceae	Kerry Barringer Alan T. Whittemore
Aspleniaceae	Warren H. Wagner Jr. Robbin C. Moran Charles R. Werth
Asteraceae	Theodore M. Barkley† Luc Brouillet John L. Strother
Aulacomniaceae	Norton G. Miller†
Azollaceae	Thomas A. Lumpkin
Bartramiaceae	Dana G. Griffin III
Basellaceae	Michael A. Vincent
Bataceae	Robert F. Thorne
Begoniaceae	Luc Brouillet
Berberidaceae	R. David Whetstone T. A. Atkinson Daniel D. Spaulding
Betulaceae	John J. Furlow
Blechnaceae	Raymond B. Cranfill
Brachytheciaceae	Michael S. Ignatov
Brassicaceae	Ihsan A. Al-Shehbaz
Bromeliaceae	Harry E. Luther Gregory K. Brown
Bruchiaceae	Richard H. Zander
Bryaceae	John R. Spence
Bryoxiphiaceae	Ronald A. Pursell
Burmanniaceae	Deborah Q. Lewis
Butomaceae	Robert R. Haynes
Buxaceae	David E. Boufford
Buxbaumiaceae	Wilfred B. Schofield
Cabombaceae	John. H. Wiersema
Cactaceae	Bruce D. Parfitt Arthur C. Gibson
Calliergonaceae	Lars Hedenäs
Calophyllaceae	Norman K. B. Robson
Calycanthaceae	George P. Johnson
Calymperaceae	William D. Reese†
Canellaceae	Thomas K. Wilson
Cannabaceae	Ernest Small
Cannaceae	W. John Kress Linda M. Prince
... further results