Marshall C. Johnston 



Croton 



Rhamnaceae 



Texas flora 



Samuel B. Jones 



Elephantopus 



Stokesia 



Vernonia 



Trixis 



Waller S. Judd 



Lyonia 



Luecothoe 



Pieris 



Agarista 



Gaylussacia 



John T. Kartesz 



Iris 



Labiatae 



Scrophulariaceae 



Rosemarie Kartesz 



Iris 



Labiatae 



Scrophulariaceae 



Carl S. Keener 



Ranunculaceae 



Robert W. Kiger 



Papaver 



Joseph H. Kirkbride, Jr. 



Rubiaceae 



Tetsuo Koyama 



Cyperaceae 



Robert Krai 



Abildgaardia 



Bulboslylis 



Fimbristylis 



Fuirena 



Psilocarya 



Rhynchospora 



Websteria 



Xyridaceae 



Eriocaulaceae 



Asimina 



Rhexia 



Arthur R. Kruckeberg 



Silene 



Job Kuijt 



Loranthaceae 



Meridith A. Lane 



Amphiaehyris 



Greenella 



Gutierrezia 



Thurovia 



Xanthocephalum 



Cheryl A. Lawson 



Galium (eastern U.S.) 



David B. Leilinger 



Pteridophyta 



Harlan Lewis 



Labiatae 



Clarkia 



Gayophytum 



Walter H. Lewis 



Richardia 



Elbert L. Little, Jr. 



Trees 



Robert M. Lloyd 



Ceratopteris 



Kenneth Lodewick 



Penstemon 



Chionophila 



Robin Lodewick 



Penstemon 



Chionophila 



Alicia Lourteig 



Oxalis 



Richard M. Lowden 



Ceratophyllum 



Vallisneria 



Pontederia 



Carlyle A. Luer 



Orchidaceae 



Bruce MacBryde 



Galphimia 



William F. Mahler 



Baccharis 



Physostegia 



Charles T. Mason, Jr. 



Apacheria 



Peter M. Mazzeo 



Betula 



Alnus 



Dale W. McNeal, Jr. 



Allium 



John McNeill 



Caryophyllaceae 



Claytonia 



Montia 



Alchemilla 



James A. Mears 



Alternanthera 



Caraxeron 



Gomphrena 



Guilleminea 



Iresine 



Lithophila 



Parthenium 



Philoxerus 



Dicraurus 



Gossypianthus 



Tidestromia 



T. Lawrence Mellichamp 



Aruncus 



Astilbe 



Frederick G. Meyer 



Magnoliaceae 



Valeriana 



Centranthus 



Richard S. Mitchell 



Polygonum 



Fagopyrum 



Harold N. Moldenke 



Verbenaceae (Caribbean) 



Reid Moran 



Crassulaceae 



Larry E. Morse 



Hudsonia 



Edward Murray 



Acer 



Magnolia 



Aesculus 



Lytton J. Musselman 



Agalinis 



Aureolaria 



Dasistoma 



Macranthera 



Tomanthera 



John B. Nelson 



Stachys 



Guy L. Nesom 



Erigeron 



Dan H. Nicolson 



Araceae 



Neolaugeria 



Desmodium 



Eliane M. Norman 



Buddleja 



Vallesia 



Joan W. Nowicke 



Phytolaccaceae 



Apocynaceae 



Royce L. Oliver 



Sisyrinchium (eastern U.S.) 



Richardia 



Robert Ornduff 



Limnanthes 



Turneraceae 



T.D. Pennington 



Meliaceae 



Howard W. Pfeifer 



Aristolochiaceae 



Timothy Plowman 



Brunfelsia 



Erythroxylum 



Duncan M. Porter 



Zygophyllaceae 



Burseraceae 



A. Michael Powell 



Flaveria 



Pentyle 



Dulcie A. Powell 



Convolvulaceae 



Ghillean T. Prance 



Chrysobalanus 



Hirtella 



Licania 



James S. Pringle 



Eustoma 



Gentiana 



Halenia 



Lomatogonium 



Swertia 



Sabatia 



Christian Puff 



Galium 



Richard K. Raheler 



Gypsophila 



Petrorhagia 



Peter H. Raven 



Onagraceae 



Robert W. Read 



Palmae 



Porter Reed 



Wetlands Flora 



Charlotte G. Reeder 



Bouteloua 



Muhlenbergia 



John R. Reeder 



Bouteloua 



Timothy Reeves 



Cryptogramma 



James L. Reveal 



Pterostegia 



Chorizanthe 



Eriogonum 



Oxytheca 



Nemacaulis 



Gilmania 



Hollisteria 



Anton A. Reznicek 



Carex 



Kenneth R. Robertson 



Rosaceae 



Amaranthus 



Achanthochiton 



Celosia 



Tidestromia 



Harold E. Robinson 



Acicarpha 



Compositae 



W. Ann Robinson 



Amelanchier 



Andre G. Robyns 



Bombacaceae 



Henry A. Rodriguez- 



Carrasquero 

 Sapotaceae 

 Keith E. Roe 

 Solanum 

 CM. Rogers 

 Linaceae 

 David J. Rogers 

 Manihot 

 Reed C. Rollins 

 Cruciferae 

 Velva E. Rudd 

 Aeschynomene 

 Dalbergia 

 Nissolia 

 Zornia 



Claude Sastre 

 Ochnaceae 

 Roger W. Saunders 

 Agastache 



Edward E. Schilling, Jr. 

 Solanum 



Alfred E. Schuyler 

 Scirpus 

 Hemicarpha 

 Websteria 

 Stanwyn G. Shetler 

 Campanulaceae 

 Charles J. Sheviak 

 Spiranthes 

 Beryl Simpson 

 Prosopis 

 Chaptalia 

 Gochnatia 

 Hecastocleis 

 Henry T. Skinner 

 Rhododendron 

 Lawrence A. Skog 

 Gesneriaceae 

 Alan R. Smith 

 Macrothelypteris 

 Pseudophegopteris 

 Thelypteris 

 Edwin B. Smith 

 Coreopsis 

 Lyman B. Smith 

 Begoniaceae 

 Bromeliaceae 

 Thomas R. Soderstrom 

 Swallenia 



Richard W. Spellenberg 

 Nyctaginaceae 

 Stephen A. Spongberg 

 Theaceae 

 Peter F. Stevens 

 Ericaceae 



UI 



