
BONAP's contributors
Over the past four decades, the following individuals provided valuable contributions. Although, nearly 50% of the original contributors to my 1980 Checklist are now deceased or retired, I continue to honor them here by listing their names and associated areas of specialization. They, along with many others have improved BONAP's efforts and assisted in building our international plant database.
Repositories visited by BONAP or from which plant materials and data have been exchanged
The following herbaria, museums, special collections and other repositories of vascular plants have been visited, consulted, or have provided valuable county-level records for our National Plant Atlas.
Floristicians and other plantsmen
The invaluable contributions of the following 384 individuals cannot be overstated. Tens of thousands of new county-level records have been added to the Atlas because of their collections. Equally important, thousands of erroneous reports have been eliminated. Although I have not always agreed with their conclusions, without their contributions, this Atlas would be hopelessly incomplete and far less accurate. I thank them all.
In the early 2000's, I purchased a Nikon slide scanner and initiated a scanning campaign that has spanned ten years. Although the original scanner has been replaced twice, nearly 200,000 slides have been scanned. The vast majority of these slides were contributed generously by hundreds of individuals. BONAP's current image collection contains nearly 300,000 images. Approximately, 100,000 of these are illustrated on our current websites, with the remaining 200,000 to be added later this year. Our goal is to provide quality images for all North American plant taxa as part of our North American Digital Flora and accompanying Floristic Synthesis software. We are extremely grateful to all who have willingly provided their images. Each contributor is credited here for his or her contributions.
WE WELCOME YOUR HELP. When assembling an image gallery this large, it is very easy to misidentify a plant or incorrectly link a scientific name to an image. Therefore, we welcome greatly any corrections. We shall soon included a list of plants for which we have no images or for which we need replacement images. If you would be willing to contribute photos, we would welcome them greatly. Please do not hesitate to contact us.
| PTERIDOPHYTA | CONVOLVULACEAE | OXALIDACEAE |
| David S. Barrington | Daniel F. Austin | George Eiten |
| John T. Mickel | Jew-Ming Chao | Melinda F. Denton |
| Alan R. Smith | Alicia Lourteig | |
| Warren H. Wagner, Jr. | CORNACEAE | |
| Michael D. Windham | Richard H. Eyde | PANDANACEAE |
| Benjamin C. Stone | ||
| ADIANTACEAE | CRASSULACEAE | |
| Rolla M. Tryon | R. Mitchel Beauchamp | PAPAVERACEAE |
| (Notholaena) | Robert T. Clausen | Robert W. Kiger |
| Melinda F. Denton | (Papaver) | |
| CYATHEACEAE | Reid Moran | Gerald B. Ownbey |
| Rolla M. Tryon | (Argemone) | |
| CROSSOSOMATACEAE | ||
| ISOETACEAE | Larry E. DeBuhr | PASSIFLORACEAE |
| W. Carl Taylor | Barry A. Prigge | John M. MacDougal |
| LYCOPODIACEAE | CUCURBITACEAE | PEDALIACEAE |
| Joseph M. Beitel | C. Jeffrey | Peter K. Bretting |
| Thomas W. Whitaker | Richard H. Hevly | |
| PARKERIACEAE | ||
| Robert M. Lloyd | CYPERACEAE | PHYTOLACCACEAE |
| Peter W. Ball | James W. Hardin | |
| GYMNOSPERMAE | (Carex) | (Phytolacca) |
| Elbert L. Little, Jr. | Richard Carter | |
| (Cyperus) | PIPERACEAE | |
| CUPRESSACEAE | David Castaner | Allan J. Bornstein |
| Robert P. Adams | (Carex) | William C. Burger |
| (Juniperus) | Earl L. Core | Harold St. John |
| James A. Bartel | (Scleria) | |
| Frank C. Vasek | Melinda F. Denton | PITTOSPORACEAE |
| (Juniperus) | (Cyperus) | Harold St. John |
| Thomas A. Zanoni | John E. Fairey, III | |
| (Scleria) | PLANTAGINACEAE | |
| EPHEDRACEAE | Frederick J. Hermann | I. John Bassett |
| Lyman Benson | (Carex) | Knud Rahn |
| Stanley D. Jones | ||
| PINACEAE | Robert Kral | PLUMBAGINACEAE |
| William B. Critchfield | (Bulbostylis, Fimbristylis, Fuirena) | James L. Luteyn |
| David Charlet | Joy Mastrogiuseppe | |
| (Carex) | POACEAE | |
| ANGIOSPERMAE | Robert F.C. Naczi | Susan G. Aiken |
| (Carex) | (Festuca) | |
| ACANTHACEAE | Anton A. Reznicek | Kelly W. Allred |
| Thomas F. Daniel | (Carex) | (Aristida) |
| Martha B. Meagher | Alfred E. Schuyler | Cynthia A. Aulbach-Smith |
| Dieter C. Wasshausen | (Scirpus and segregate genera) | (Chloris, Eustachys) |
| S. Galen Smith | Mary E. Barkworth | |
| ACERACEAE | (Eleocharis, Scirpus, and segregate genera) | Bernard R. Baum |
| Thomas J. Delendick | Henry K. Svenson | Alan A. Beetle |
| (Eleocharis) | Roland von Bothmer | |
| ACORACEAE | John W. Thieret | (Hordeum) |
| Susan Thompson | (Cyperus) | David Brandenburg |
| Gordon C. Tucker | Jere Brunken | |
| AGAVACEAE | (Cyperus) | Julian Campbell |
| Howard S. Gentry | (Elymus) | |
| R. Laurie Robbins | CYRILLACEAE | Jack R. Carlson |
| (Yucca) | Joab L. Thomas | (Pseudoroegneria) |
| Susan E. Verhoek-Williams | Jacques Cayouette | |
| DIAPENSIACEAE | (Arctophila, Dupontia, Schizachne, Vahlodea) | |
| ALISMATACEAE | Richard B. Primack | George Church |
| Ernest O. Beal | Wesley N. Tiffney | Beecher Crampton |
| (Sagittaria) | William J. Crins | |
| Jean W. Wooten | DROSERACEAE | (Alopecurus, Milium, Ventenata) |
| Donald E. Schnell | Stephen J. Darbyshire | |
| AMARANTHACEAE | (Arctophila, Danthonia, Dupontia, Schizachne, Vahlodea) | |
| James A. Mears | EBENACEAE | Hal R. DeSelm |
| (Gomphrenoideae) | Frank White | (Andropogon, Bothriochloa, Dichanthelium, Schizachyrium) |
| Clyde F. Reed | James de Wet | |
| Jonathan D. Sauer | EMPETRACEAE | (Bothriochloa, Cynodon, Dichanthium, Echinochloa, |
| (Amaranthus) | W. Hardy Eshbaugh | Eleusine, Pennisetum, Setaria, Sorghum, Triticum, |
| Zea, Zizania) | ||
| ANACARDIACEAE | ERICACEAE | Douglas R. Dewey |
| William T. Gillis | Theodore R. Dudley | (Triticeae) |
| David A. Young | (Rhododendron) | Robert W. Freckmann |
| John E. Ebinger | (Dichanthelium, Panicum) | |
| ANNONACEAE | (Kalmia) | Craig W. Greene |
| Robert Kral | James W. Hardin | (Calamagrostis) |
| (Asimina, Deeringothamnus) | (Kalmia) | Gerald F. Guala, II |
| James C. Hickman | (Neyraudia) | |
| APIACEAE | (Menziesia) | LeRoy H. Harvey |
| Lincoln Constance | Sam P. Vander Kloet | M.J. Harvey |
| Ronald L. Hartman | (Vaccinium) | Arthur H. Holmgren |
| Kathy Krahn | Elizabeth A. Kellogg | |
| APOCYNACEAE | Martha Prince | (Poa) |
| Eliane M. Norman | (Rhododendron) | Stephen D. Koch |
| (Vallesia) | H.T. Skinner | Vladimir J. Krajina |
| (Rhododendron) | (Festuca, Vulpia) | |
| AQUIFOLIACEAE | Peter F. Stevens | Charles C. Laing |
| Robert B. Clark | Leonard J. Uttal | (Ammophila) |
| Ross C. Clark | (Vaccinium) | Robert Lonard |
| Theodore R. Dudley | Philip V. Wells | (Vulpia) |
| Gregory A. Krakow | (Arctostaphylos) | Leon E. Pavlick |
| (Ilex) | Robert L. Wilbur | (Festuca) |
| Paul Peterson | ||
| ARACEAE | ERIOCAULACEAE | Grant L. Pyrah |
| Normand Cornellier | Robert Kral | (×Agroelymus, ×Agrohordeum, Agropyron, ×Agrositanion) |
| Donald G. Huttleston | Harold N. Moldenke | Charlotte Reeder |
| Dan H. Nicolson | John R. Reeder | |
| Sue A. Thompson | ERYTHROXYLACEAE | Rhonda Riggins |
| Timothy C. Plowman | (Sporobolus) | |
| ARALIACEAE | Blaine D. Rogers | |
| Harold St. John | EUPHORBIACEAE | (Puccinellia) |
| Derek Burch | Hildemar Scholz | |
| ARECACEAE | Michael J. Huft | (Bromus) |
| Sidney F. Glassman | John Ingram | Neil Snow |
| Donald R. Hodel | Mark H. Mayfield | (Diplachne, Hawaiian Grasses) |
| Harold E. Moore, Jr. | Grady L. Webster | Robert J. Soreng |
| Robert W. Read | (Poa) | |
| FABACEAE | Richard W. Spellenberg | |
| ARISTOLOCHIACEAE | Rupert C. Barneby | Michael T. Stieber |
| Howard W. Pfeifer | (Astragalus, Cassia, Dalea, Parryella, Psorothamnus, | (Ichnanthus) |
| Rhynchosia, Sophora, Sphinctospermum) | Edward E. Terrell | |
| ASCLEPIADACEAE | Andre F. Clewell | (Aegilops, Arrhenatherum, Dactylis, Hydrochloa, Lolium, |
| Donald J. Drapalik | (Kummerowia, Lespedeza) | Luziola, Rhynchelytrum, Sorghum, Triticum) |
| Eric Sundell | Wilbur H. Duncan | F. Douglas Wilson |
| (Cynanchum) | (Galactia) | (Sitanion) |
| David Dunn | Joseph Karl Wipff | |
| ASTERACEAE | (Lupinus) | (Taeniatherum) |
| Dennis M. Anderson | Paul R. Fantz | John T. Witherspoon |
| (Silphium) | (Centrosema, Clitoria) | (Eragrostis) |
| Loran C. Anderson | John M. Gillett | |
| (Arnoglossum, Bigelowia, Chrysothamnus) | (Trifolium) | PODOSTEMACEAE |
| G. Douglas Barbe | William F. Grant | Jean W. Wooten |
| (Cirsium) | (Lotus) | |
| Theodore M. Barkley | Charles R. Gunn | POLEMONIACEAE |
| (Packera, Senecio) | David W. Hall | Alva G. Day |
| Randall J. Bayer | (Galactia) | (Allophyllum, Collomia, Gilia, Gymnosteris, Ipomopsis, |
| (Antennaria) | Duane Isely | Langloisia, Linanthus, Loeselia, Microseris, Navarretia) |
| Alan A. Beetle | Dan H. Nicolson | Steven L. Timbrook |
| (Artemisia) | (Desmodium) | (Langloisia, Loeseliastrum) |
| Mark W. Bierner | Richard E. Riefner, Jr. | Edgar T. Wherry |
| (Amblyolepis, Balduina, Dugaldia, Gaillardia, | (Crotalaria) | (Phlox) |
| Helenium, Hymenoxys, Plummera) | Velva E. Rudd | Dieter H. Wilken |
| Gregory K. Brown | William R. Ruff | |
| (Platyschkuhria) | (Strophostyles) | POLYGALACEAE |
| Judith M. Canne-Hilliker | Bernice G. Schubert | Robert R. Smith |
| (Galinsoga) | (Desmodium) | Thomas L. Wendt |
| Gerald D. Carr | Steven G. Skinner | |
| (Calycadenia, Dubautia, Osmadenia) | (Crotalaria) | POLYGONACEAE |
| W. Dennis Clark | Ernest Small | James C. Hickman |
| (Hazardia) | (Medicago) | (Polygonum, Rumex) |
| Jerry A. Clonts | Stanley L. Welsh | James H. Horton |
| (Elephantopus) | (Hedysarum, Oxytropis) | (Polygonella) |
| James Coleman | John H. Wiersema | Richard A. Howard |
| (Verbesina) | Donald R. Windler | (Coccoloba) |
| Lincoln Constance | (Crotalaria, Neptuna) | Richard S. Mitchell |
| (Eriophyllum) | Richard P. Wunderlin | (Polygonum, Rumex) |
| Arthur Cronquist | (Bauhinia) | James L. Reveal |
| William S. Davis | (Aristocapsa, Centrostegia, Chorizanthe, Dedeckera, | |
| (Lacamothrix, Malacothrix) | FAGACEAE | Eriogonum, Gilmania, Hollisteria, Lastarriaea, Mucronea, |
| D.C.D. DeJong | Wilbur H. Duncan | Mucronea, Nemacaulis, Oxytheca, Pterostegia, |
| (Astranthium) | Roland L. Guthrie | Stenogonum, Systenotheca) |
| George W. Douglas | (Quercus) | |
| (Antennaria, Arnica) | James W. Hardin | PONTEDERIACEAE |
| Robert I. Ediger | John M. Tucker | Charles N. Horn |
| (Senecio) | (Quercus) | Richard M. Lowden |
| James R. Estes | (Pontederia) | |
| (Artemisia) | FLACOURTIACEAE | Jean W. Wooten |
| T. Richard Fisher | Richard Keating | |
| (Heliopsis, Silphium) | PORTULCACEAE | |
| Robert Gardner | FRANKENIACEAE | Janet Hohn |
| (Lipochaeta) | Molly A. Whalen | (Lewisia) |
| Leslie D. Gottlieb | Walter H. Lewis | |
| (Stephanomeria) | FUMARIACEAE | (Claytonia, Montia) |
| Vernon L. Harms | Gerald B. Ownbey | John McNeill |
| (Heterotheca, Petasites) | (Corydalis, Dicentra) | James F. Matthews |
| Ronald L. Hartman | (Portulaca) | |
| (Machaeranthera) | GARRYACEAE | Stewart Ware |
| Charles B. Heiser, Jr. | Gerald Dahling | (Talinum) |
| (Helianthus) | ||
| Walter C. Holmes | GENTIANACEAE | POTAMOGETONACEAE |
| (Mikania) | C. Rose Broome | Robert R. Haynes |
| Raymond C. Jackson | (Centaurium) | (Potamogeton) |
| (Iva) | John M. Gillett | |
| Robert K. Jansen | P.J.M. Maas | PRIMULACEAE |
| (Spilanthes) | (Voyria) | Tom S. Cooperrider |
| Miles F. Johnson | Robert Ornduff | Sylvia Kelso |
| (Ageratum, Eupatorium) | (Nymphoides) | |
| R. Roy Johnson | James D. Perry | PYROLACEAE |
| (Porophyllum) | (Sabatia) | Erich Haber |
| Almut G. Jones | Douglas M. Post | |
| (Aster, Brachyactis, Machaeranthera, Xylorhiza) | James S. Pringle | RANUNCULACEAE |
| Samuel B. Jones, Jr. | Peter F. Yeo | Lyman Benson |
| (Vernonieae) | (Ranunculus) | |
| David J. Keil | GESNERIACEAE | W. Michael Dennis |
| (Pectis) | Harold St. John | (Clematis) |
| Rudy G. Koch | (Hawaiian taxa) | Thomas Duncan |
| (Bidens) | Laurence E. Skog | (Ranunculus) |
| Donald W. Kyhos | (Puerto Rican taxa) | Carl S. Keener |
| (Chaenactis) | Gwynn W. Ramsey | |
| Warren F. Lamboy | GOODENIACEAE | (Cimicifuga) |
| (Aster) | Harold St. John | Peter J. Scott |
| Meredith A. Lane | (Ranunculus) | |
| (Gutierrezia, Gymnosperma, Xanthocephalum) | GROSSULARIACEAE | |
| Timothy K. Lowrey | Steven L. Timbrook | RHAMNACEAE |
| (Tetramolopium) | (Ribes) | Marshall C. Johnston |
| William F. Mahler | Clifford L. Schmidt | |
| (Baccharis) | GUNNERACEAE | (Ceanothus) |
| Ronald L. McGregor | Lawrence A. Palkovic | |
| (Echinacea) | Harold St. John | ROSACEAE |
| Bassett Maguire | Hannibal A. Davis | |
| (Arnica) | HALORAGACEAE | (Rubus) |
| James A. Mears | Susan G. Aiken | Tyreeca S. Davis |
| (Parthenium) | (Myriophyllum) | (Rubus) |
| L. Maynard Moe | Paul M. Catling | Barry C. Johnston |
| (Matricaria) | Harold St. John | (Argentina, Comarum, Pentaphylloides, Potentilla, |
| John Mooring | Jean W. Wooten | Sibbaldiopsis) |
| (Eriophyllum) | Douglass Ladd | |
| James D. Morefield | HIPPOCASTANACEAE | (Crataegus) |
| (Filagininae) | James W. Hardin | Ron Lance |
| Kenneth M. Nagata | (Crataegus) | |
| (Bidens) | HYDRANGEACEAE | Walter H. Lewis |
| Robert T. Neher | James W. Hardin | (Rosa) |
| (Tagetes) | (Hydrangea) | T. Lawrence Mellichamp |
| Guy L. Nesom | (Aruncus) | |
| Dan H. Nicolson | HYDROCHARITACEAE | Larry E. Morse |
| (Emilia) | Christopher D.K. Cook | (Rubus) |
| Wesley E. Niles | Harold St. John | Kenneth R. Robertson |
| (Perityle) | Peter Zika | |
| David K. Northington | HYDROPHYLLACEAE | (Cotoneaster) |
| (Pyrrhopappus) | Lincoln Constance | |
| John S. Olsen | John T. Howell | RUBIACEAE |
| (Verbesina) | (Phacelia) | Lauramay T. Dempster |
| Robert Ornduff | Gregory J. Lee | (Galium) |
| (Lasthenia) | (Phacelia) | Joseph H. Kirkbride, Jr. |
| Gerald B. Ownbey | Cheryl A. Lawson | |
| (Cirsium) | IRIDACEAE | (Galium) |
| James C. Parks | Peter Goldblatt | Walter H. Lewis |
| (Melanthera) | Douglass M. Henderson | (Diodia, Hedyotis, Richardia) |
| Dennis R. Parnell | (Sisyrinchium) | Guy L. Nesom |
| (Corethrogyne) | Kathleen L. Hornberger | Edward E. Terrell |
| Donald J. Pinkava | (Sisyrinchium) | (Hedyotis, Houstonia, Oldenlandia, Oldenlandiopsis) |
| Richard W. Pippen | Homer Metcalf | |
| (Cacalia) | RUTACEAE | |
| A. Michael Powell | JUGLANDACEAE | Virginia L. Bailey |
| (Flaveria, Perityle) | Wayne E. Manning | (Ptelea) |
| Adrian J. Richards | Duncan M. Porter | |
| (Taraxacum) | JUNCACEAE | Harold St. John |
| Edward L. Richards | John E. Ebinger | Rainer W. Scora |
| (Ratibida) | (Luzula) | (Citrus, Fortunella) |
| Harold E. Robinson | Leena Hämet-Ahti | Benjamin C. Stone |
| Edward E. Schilling | Frederick J. Hermann | |
| John C. Semple | (Juncus) | SALICACEAE |
| (Aster, Borrichia, Chrysopsis, Heterotheca, | Peter Zika | George W. Argus |
| Pityopsis, Solidago, Xanthisma) | (Salix) | |
| Leila M. Shultz | KRAMERIACEAE | Robert D. Dorn |
| (Artemisia) | Beryl B. Simpson | (Salix) |
| Beryl B. Simpson | James E. Eckenwalder | |
| (Acourtia) | LAMIACEAE | (Populus) |
| Edwin B. Smith | Peter W. Ball | |
| G. Ledyard Stebbins | John R. Bozeman | SAPINDACEAE |
| (Antennaria, Crepis) | (Dicerandra) | Harold St. John |
| Warren P. Stoutamire | Philip D. Cantino | |
| (Gaillardia) | (Physostegia) | SAPOTACEAE |
| John L. Strother | Joseph L. Collins | T.D. Pennington |
| Tod F. Stuessy | (Scutellaria) | Harold St. John |
| Barry D. Tanowitz | Robert S. Irving | |
| (Hemizonia) | F. Harlan Lewis | SARRACENIACEAE |
| Constance E.S. Taylor | (Trichostema) | C. Ritchie Bell |
| (Euthamia, Solidago) | John B. Nelson | Frederick W. Case, II |
| A. Spencer Tomb | Rainer W. Scora | Donald E. Schnell |
| (Lygodesmia, Stephanomeria) | (Monarda) | |
| Andrew M. Torres | Arthur O. Tucker | SAXIFRAGACEAE |
| Ronald J. Tyrl | (Coleus, Lavandula, Mentha, Origanum) | Patrick E. Elvander |
| (Achillea) | T. Lawrence Mellichamp | |
| Lowell E. Urbatsch | LAURACEAE | Robert Ornduff |
| (Ericameria, Haplopappus, Tetragonotheca) | Robert Bergh | John G. Packer |
| Gene S. Van Horn | (Persea) | (Chrysosplenium) |
| (Pentachaeta) | Henk van der Werff | Douglas E. Soltis |
| Thomas J. Watson, Jr. | (Sullivantia) | |
| (Xylorhiza) | LEMNACEAE | Elizabeth F. Wells |
| Ronald R. Weedon | Wayne P. Armstrong | (Heuchera) |
| (Bidens) | Ernest O. Beal | |
| James R. Wells | SCROPHULARIACEAE | |
| (Polymnia) | LENTIBULARIACEAE | Judith M. Canne-Hilliker |
| Dieter H. Wilken | Robert K. Godfrey | (Agalinis, Aureolaria) |
| (Hulsea) | (Utricularia) | Gerald D. Carr |
| Donald E. Schnell | (Pedicularis) | |
| BALSAMINACEAE | Peter Taylor | Tom S. Cooperrider |
| Robert Ornduff | Wayne J. Elisens | |
| LILIACEAE | (Holmgrenanthe, Mabrya, Maurandya) | |
| BETULACEAE | John D. Ambrose | Wayland L. Ezell |
| Knud E. Clausen | Edward T. Browne, Jr. | (Mimulus) |
| John J. Furlow | (Aletris) | Lawrence R. Heckard |
| Peter M. Mazzeo | Wilbur H. Duncan | (Antirrhinum, Castilleja, Chaenorrhinum, Cordylanthus, |
| (Yucca) | Orthocarpus, Parentucellia) | |
| BIGNONIACEAE | Walter S. Flory, Jr. | Lytton Musselman |
| Alwyn Gentry | (Cooperia, Crinum, Furcraea, Galanthus, Habranthus, | Richard J. Shaw |
| Hippeastrum, Leucojum, Lycoris, Narcissus, | (Scrophularia) | |
| BIXACEAE | Pancratium, Zephyranthes) | Richard M. Straw |
| Richard Keating | John D. Freeman | (Chionophila, Keckiella, Nothochelone, Penstemon) |
| (Trillium) | John W. Thieret | |
| BORAGINACEAE | James W. Hardin | Robert K. Vickery, Jr. |
| Michael W. Frohlich | (Erythronium) | (Mimulus) |
| (Heliotropium) | James C. Hickman | Peter F. Yeo |
| Larry C. Higgins | (Veratrum) | (Euphrasia) |
| (Cryptantha) | Judith A. Jernstedt | |
| Francia Hommersand | (Chlorogalum) | SMILACACEAE |
| (Amsinckia) | Lee W. Lenz | Wilbur H. Duncan |
| Alfred Richardson | (Triteleia) | (Smilax) |
| (Tiquilia) | Roger M. Macfarlane | |
| (Fritillaria) | SOLANACEAE | |
| BRASSICACEAE | Alan W. Meerow | John E. Averett |
| Ihsan Al-Shehbaz | Louis V. Mingrone | William G. D'Arcy |
| Rodney L. Bartgis | (Allium) | W. Hardy Eshbaugh |
| (Arabis) | Sherman J. Preece | Charles B. Heiser, Jr. |
| Arthur R. Kruckeberg | (Zigadenus) | (Capsicum, Solanum) |
| Gerald A. Mulligan | Harry L. Sherman | Edward E. Schilling |
| Robert A. Price | (Hastingsia, Schoenolirion) | (Solanum) |
| (Draba, Erysimum) | Mark W. Skinner | Janet R. Sullivan |
| James E. Rodman | (Lilium) | (Physalis) |
| Reed C. Rollins | Frederick H. Utech | |
| Elizabeth A. Shaw | Robert L. Wilbur | SPARGANIACEAE |
| Ronald L. Stuckey | (Uvularia) | Ernest O. Beal |
| (Armoracia, Nasturium, Rorippa) | Robert R. Haynes | |
| LIMNANTHACEAE | ||
| BROMELIACEAE | Robert Ornduff | STERCULIACEAE |
| Lyman B. Smith | Carmen L. Cristobal | |
| LINACEAE | Aaron Goldberg | |
| BUDDLEJACEAE | Claude M. Rogers | Jan Saunders |
| Eliane M. Norman | ||
| Harold St. John | LOASACEAE | STYRACACEAE |
| Barry A. Prigge | James L. Reveal | |
| BURSERACEAE | Henry J. Thompson | (Halesia) |
| Duncan M. Porter | ||
| LOGANIACEAE | SYMPLOCACEAE | |
| CACTACEAE | Harold St. John | James W. Hardin |
| Edward F. Anderson | ||
| Lyman Benson | LYTHRACEAE | TAMARICACEAE |
| David R. Hunt | Shirley A. Graham | Bernard R. Baum |
| Nigel Taylor | (Tamarix) | |
| MAGNOLIACEAE | ||
| CALLITRICHACEAE | James W. Hardin | THEACEAE |
| Ernest O. Beal | Stephen A. Spongberg | |
| MALPIGHIACEAE | ||
| CALYCANTHACEAE | Bruce MacBryde | THYMELAEACEAE |
| James W. Hardin | (Galphimia) | Lorin I. Nevling, Jr. |
| Jose L. Vivaldi | (Daphne, Daphnopsis, Dirca, Edgeworthia, Passerina) | |
| CAMPANULACEAE | Harold St. John | |
| Janet Hohn | MALVACEAE | (Wikstroemia) |
| Stanwyn G. Shetler | Paul A. Fryxell | |
| (Campanula) | Steven R. Hill | TURNERACEAE |
| Maria Mercedes Arbo | ||
| CANNABACEAE | MELASTOMATACEAE | Robert Ornduff |
| Ernest Small | Robert Kral | |
| (Rhexia) | TYPHACEAE | |
| CAPPARACEAE | Thomas Morley | Ernest O. Beal |
| Hugh H. Iltis | (Mouriri) | S. Galen Smith |
| John J. Wurdack | ||
| CAPRIFOLIACEAE | URTICACEAE | |
| Theodore R. Dudley | MELIACEAE | I. John Bassett |
| James W. Hardin | T.D. Pennington | David E. Boufford |
| Peter J. Salamun | Dennis W. Woodland | |
| MONOTROPACEAE | ||
| CARYOPHYLLACEAE | Gary D. Wallace | VALERIANACEAE |
| Garrett E. Crow | Frederick G. Meyer | |
| (Sagina) | MYRTACEAE | (Valeriana) |
| Ronald L. Hartman | Rogers McVaugh | Donna M.E. Ware |
| Arthur R. Kruckeberg | Harold St. John | (Valerianella) |
| (Lychnis, Silene) | ||
| John McNeill | NAJADACEAE | VERBENACEAE |
| Richard K. Rabeler | Robert R. Haynes | Harold N. Moldenke |
| Roger W. Sanders | ||
| CELASTRACEAE | NYCTAGINACEAE | (Duranta, Lantana) |
| Barry A. Prigge | Leo A. Galloway | Ray E. Umber |
| Clyde F. Reed | (Glandularia) | |
| CERATOPHYLLACEAE | Richard W. Spellenberg | |
| Donald H. Les | VIOLACEAE | |
| Richard M. Lowden | NYMPHAEACEAE | Landon E. McKinney |
| (Ceratophyllum) | Ernest O. Beal | Norman H. Russell |
| Jean W. Wooten | John H. Wiersema | |
| VISCACEAE | ||
| CHENOPODIACEAE | NYSSACEAE | Job Kuijt |
| H. Lamont Arnold | Richard H. Eyde | Delbet Wiens |
| (Salsola) | ||
| Peter W. Ball | OLEACEAE | VITACEAE |
| (Arthrocnemum, Salicornia, Sarcocornia) | Elbert L. Little, Jr. | Wilbur H. Duncan |
| G. Douglas Barbe | (Fraxinus) | Michael O. Moore |
| (Salsola) | ||
| I. John Bassett | ONAGRACEAE | XYRIDACEAE |
| (Atriplex) | David E. Boufford | Robert Kral |
| Will H. Blackwell, Jr. | (Circaea) | |
| John McNeill | F. Harlan Lewis | ZANNICHELLIACEAE |
| (Atriplex) | (Clarkia, Gayophytum) | Ernest O. Beal |
| Clyde F. Reed | Gerald B. Straley | |
| Stewart C. Sanderson | (Oenothera) | ZINGIBERACEAE |
| Howard Stutz | Howard Towner | Rosemary M. Smith |
| (Atriplex) | (Calylophus) | |
| Hugh D. Wilson | Warren L. Wagner | ZYGOPHYLLACEAE |
| (Chenopodium) | (Camissonia, Gaura, Oenothera) | Duncan M. Porter |
| CHRYSOBALANACEAE | ORCHIDACEAE | |
| Ghillean T. Prance | Paul Martin Brown | |
| (North American native Orchids) | ||
| CISTACEAE | Paul M. Catling | |
| Larry E. Morse | (Spiranthes) | |
| (Hudsonia) | Robert L. Dressler | |
| Robert L. Wilbur | (Encyclia, Epidendrum) | |
| Carlyle A. Luer | ||
| CLUSIACEAE | Lawrence K. Magrath | |
| Preston Adams | Susan Meades | |
| Peter F. Stevens | Loyal A. Merhoff, III | |
| (Calophyllum) | (Calypso, Platanthera) | |
| Charles Sheviak | ||
| COMMELINACEAE | David Snyder | |
| David Dunn | ||
| Robert B. Faden | OROBANCHACEAE | |
| David R. Hunt | Turner Collins | |
| D.T. MacRoberts | (Orobanche) |
Repositories visited by BONAP or from which plant materials and data have been exchanged
| William Abel | Wilbur H. Duncan | Don Jacobs | Guy L. Nesom | Welby Smith |
| Susan G. Aiken | David Dunn | Colette Jacono | Ray Neuman | Eric L. Smith |
| Mac Alford | Don Eastman | Scott Jensen | Carl Nordman | James W. Smith |
| Charles Allen | Priscilla A. Eastman | Lewis Johnson | Cary Norquist | S. Galen Smith |
| James Allison | P.M. Eckel | Barry Johnston | Dan H. Norton, Jr | Neil W. Snow |
| Kelly W. Allred | Joan G. Ehrenfeld | June Johnston | Sarah Nunn | David Snyder |
| Ed Alverson | Donna Ellis | Almut G. Jones | Kate O'Brien | Robert J. Soreng |
| Loran C. Anderson | Rob Emens | Stanley D. Jones | David J. Ode | Bruce Sorrie |
| George W. Argus | Terrell Erickson | Randy Kauffman | Steve L. O'Kane | Dan Spaulding |
| Cynthia Aulbach-Smith | John A. Ernst | Robert B. Kaul | Robert O'Kennon | Richard Spellenberg |
| James R. Ault | Dwayne Estes | Carl Keener | Richard Old | Dan Sperduto |
| Daniel F. Austin | Jeffrey Evans | Eric Keith | Michael Oldham | Danny Sprinkle |
| Bill Aylor | Patti Fenner | Mary Ketchersid | Federico G. Osorio | Forest Starr |
| Wayne Barger | Donna Ford-Werntz | Cecilia L. Kinter | Yuka Otsuki | Mary Clay Stensvold |
| William Barker | David Forestieri | Robert Kral | Pat Packer | Brent Steury |
| Theodore M. Barkley | Ron Fortney | Andrew Kratz | Theresa Palumbo | Kay Stratford |
| Mary E. Barkworth | Larry Fowler | John M. Kunzer | Jenifer Parsons | Scott Sundberg |
| Bruce Barnes | Ben Franklin | Kerrie L. Kyde | Michael Penskar | Jil Swearingen |
| Rodney L. Bartgis | Paul Frantz | Ron Lance | Kent D. Perkins | Steve Talbot |
| Bernard Baum | Craig C. Freeman | Gary Larson | Angela Peterson | Edward E. Terrell |
| Randall J. Bayer | John R. French | Larry Lass | Paul Peterson | Paul Tessene |
| Bruce Bennett | Mark Frey | Mary Lata | Michael Piep | John W. Thieret |
| Jim Bissell | Chris Frye | Cheryl A. Lawson | Ann Pinzl | L.K. Thomas |
| Merel Black | Paul A. Fryxell | Nancy Lederer | Dan Pittillo | Susan Thompson |
| Sean Blaney | Chris Furqueron | Richard Leonard | Glenn Pollack | M. Thurmond |
| Marcel Blondeau | Sarah Gage | Steven W. Leonard | Charles Pregaldin | Linda Till |
| Wilbur Bluhm | John Game | Peter Lesica | James S. Pringle | Lynn Towsend |
| David E. Boufford | Rick Gardner | Rob Lipkin | Cathy Prior | Frank R. Trowbridge |
| David M. Bourgeois | Arthur Gilman | Frank Lomer | Milo Pyne | Gordon C. Tucker |
| David Brandenburg | S. D. Glenn | Robert Lonard | Richard K. Rabeler | Billy Turner |
| Luc Brouillet | Darryl Goodman | Bruce MacBryde | Linda Rader | Zvezdana Ukropina-Crawford |
| John Brown | Ken Gordon | Dennis Magee | Gary Ray | Francis Underwood |
| Larry Brown | K. R. Gould | David L. Magney | Robert H. Read | Matthew Valente |
| Melvin Brown | Bill Grafton | Michael Mancuso | Jon P. Rebman | Michael Vincent |
| Paul Martin Brown | Shirly A. Graham | William Mann | Barreon Rector | Gregory Virag |
| Charles Bryson | Linda Gregory | Wayne Manning | Brian G. Rector | Ray Vizgirdas |
| Michael G. Burton | Gerald Guala | Don Mansfield | Clyde Reed | Johannes Vogel |
| Julian Campbell | Erich Haber | Chris Martine | Monique Dubrule Reed | Harold Vosen |
| Judith Canne-Hilliker | Arthur Haines | Joy Mastrogiuseppe | John Reeder | Edward Voss |
| Florence Caplow | Jan Haldeman | Mark H. Mayfield | Christopher S. Reid | Sue Vrilakas |
| Paul Carlson | Glenn Halliday | William McAvoy | Marcel Rejmánek | Warren H. Wagner |
| William R. Carr | Alison Halpern | Tom McClendon | James L. Reveal | Warren L. Wagner |
| Richard Carter | Richard Halse | Lucile M. McCook | Deanna Reyher | Steve Walasewicz |
| Paul Catling | Mike Hammer | Robert McCoy | Anton Reznicek | Chuck Walker |
| Adolf Ceska | Jim Hansen | Sidney McDaniels | Ann F. Rhoads | Jerome V. Ward |
| Kenton Chambers | Bruce F. Hansen | John McDonald | Barry Rice | Donna Ware |
| David Charlet | Curtis J. Hansen | Ronald L. McGregor | Allan J. Robinson | Richard Warner |
| Anita Cholewa | Paul J. Harmon | W. D. McIlveen | Brenda Roemer | Alan S. Weakley |
| Tim Chumley | John A. Harri | Steven P. McLaughlin | Hans Roemer | William A. Weber |
| Lynn G. Clark | Joseph Harsh | Patrick McMillan | Joseph Rohrer | Grady L. Webster |
| Steven Clemants | Ron Hartman | Christopher Meacham | Carl Roland | Clara Weishaupt |
| Andrew F. Clewell | Leroy Harvy | Susan Meades | James Rollins | Alice Wellford |
| Arnold Clifford | Gregg Haubrich | James Mears | Reed C. Rollins | Elizabeth Wells |
| William J. Cody | Robert R. Haynes | Max Medley | J. Hawkeye Rondeau | Randy Westbrooks |
| Turner Collins | Mike Hays | Leslie J. Mehrhoff | David J. Rosen | Deborah White |
| Lincoln Constance | Bonnie Heidel | Barry Meyers-Rice | Julie L. Sanders | Peter White |
| Mary Beth Cook | Ken Heil | Marty Michener | Michael Scheibout | Thomas Wieboldt |
| Tom S. Cooperrider | Charles Heiser | Richard S. Mitchell | David Schimpf | Ronald Wieland |
| Robert Coxe | Barre Hellquist | Robert H. Mohlenbrock | James Schmid | John F. Wiens |
| Ray Cranfill | James Henderson | Harold Moldenke | Rudolf Schmid | John H. Wiersema |
| Arthur Cronquist | Derral Herbst | Michael Moore | Greg J. Schmidt | Robert Wilbur |
| Fred Crusca | Nick Hill | Jennifer A. Moore | Al Schneider | Carolyn Wilczynski |
| Robyn Culpepper | Steve Hill | James D. Morefield | Greg Schneider | Dieter Wilken |
| Haynes Currie. | Bruce Hoagland | Diana Morse | Hildemar Scholz | John R. Williams |
| Allison W. Cusick | Tim Hogan | Dorothy V. Morse | Al Schotz | Patrick Williston |
| Dixie Damrel | Mike Homoya | Larry E. Morse | Karen Schreiner | Michael Windham |
| William G. D'Arcy | Charles N. Horn | Cynthia Morton | Alfred E. Schuyler | B. Eugene Wofford |
| Melanie R. Darst | Diana Horton | Sergei L. Mosyakin | John C. Semple | Michael Woods |
| Cleve Davis | Mary Hough | Will Mountain | Charles Sheviak | Thomas E. Woolf |
| Hannibal Davis | J.T. Howell | David F. Murray | Jack Short | George Yatskievych |
| Alva G. Day | Fred Hrusa | Litton Musselman | Rick Shory | Kay Yatskievych |
| Lauramay Dempster | John Hudson | Robert F.C. Naczi | Leila M. Shultz | Joe Yenish |
| Alvin Diamond | David Hunt | Joseph C. Neal | Robert Sivinski | Alan York |
| June Dobberpuhl | Robert Hutchens | Amanda K. Neill | Amy P. Smagula | Rodney Young |
| Robert D. Dorn | Philip Hyatt | Jeff Nekola | J.P. Smith | Peter Zika |
| Don Drapalik | Marc Imlay | Dean Nelson | Latimore Smith | Julie Zimmerman |
| Tom Duncan | Dianne Ingram | Burrell B. Nelson | Matthew Smith |
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Last updated March 9, 2010.