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Expert: John H. Wiersema, Ph.D.

ITIS records citing expert
 
 Kingdom Plantae
  Acmella uliginosa (Sw.) Cass. -- accepted
  Acourtia formosa D. Don -- accepted
  Aglaodorum Schott -- accepted
  Aglaodorum griffithii (Schott) Schott -- accepted
  Agrostis anadyrensis Soczava -- accepted
  Ambrosia maritima L. -- not accepted
  Anaphyllopsis A. Hay -- accepted
  Anaphyllopsis americana (Engl.) A. Hay -- accepted
  Anubias Schott -- accepted
  Anubias afzelii Schott -- accepted
  Aponogeton natans (L.) Engl. & K. Krause -- accepted
  Arctotis angustifolia L. -- accepted
  Argyranthemum frutescens (L.) Sch. Bip. -- accepted -- marguerite
  Arthrostylidium cubense Rupr. -- accepted
  Arundinella holcoides (Kunth) Trin. -- accepted
  Astrebla elymoides F. Muell. ex F. M. Bailey -- accepted
  Astrebla lappacea (Lindl.) Domin -- accepted
  Astrebla pectinata (Lindl.) F. Muell. -- accepted
  Ayapana Spach -- accepted
  Baccharis pedunculata (Mill.) Cabrera -- accepted
  Bidens squarrosa Kunth -- accepted
  Brickellia diffusa (Vahl) A. Gray -- accepted
  Calamagrostis leonardii Chase -- accepted
  Carex melanocarpa Cham. -- accepted
  Chloris berroi Arechav. -- accepted
  Chrysanthellum Rich. -- accepted
  Clibadium surinamense L. -- accepted
  Clibadium sylvestre (Aubl.) Baill. -- accepted
  Condylidium King & H. Rob. -- accepted -- villalba
  Cortaderia rudiuscula Stapf -- accepted
  Critonia P. Br. -- accepted -- thoroughwort
  Critonia macropoda DC. -- accepted
  Cryptocoryne spiralis (Retz.) Fisch. ex Wydler -- accepted
  Cynodon barberi Rang. & Tadul. -- accepted
  Cyrtosperma lasioides Griff. -- not accepted
  Danthonia racemosa R. Br. -- not accepted
  Digitaria argyrograpta (Nees) Stapf -- accepted
  Digitaria brownii (Roem. & Schult.) Hughes -- accepted
  Digitaria debilis (Desf.) Willd. -- accepted
  Digitaria diagonalis (Nees) Stapf -- accepted
  Digitaria divaricatissima (R. Br.) Hughes -- accepted
  Digitaria diversinervis (Nees) Stapf -- accepted
  Digitaria eriostachya Mez -- accepted
  Digitaria glauca Stent -- not accepted
  Digitaria monodactyla (Nees) Stapf -- accepted
  Digitaria phaeothrix (Trin.) Parodi -- accepted
  Digitaria swazilandensis Stent -- not accepted
  Digitaria tricholaenoides Stapf -- accepted
  Dracontioides Engl. -- accepted
  Dracontioides desciscens (Schott) Engl. -- accepted
  Echinops ritro L. -- accepted -- southern globethistle
  Eragrostis viscosa (Retz.) Trin. -- accepted
  Erigeron polycladus Urb. -- accepted
  Eriophyllum staechadifolium Lag. -- accepted -- seaside woolly sunflower
  Euphrosyne DC. -- accepted
  Festuca drymeja Mert. & W. D. J. Koch -- accepted
  Festuca rigescens (J. Presl) Kunth -- accepted
  Gamochaeta simplicicaulis (Willd. ex Spreng.) Cabrera -- accepted -- simple-stem everlasting
  Gastridium phleoides (Nees & Meyen) C.E. Hubb. -- accepted -- nit grass
  Haplopappus foliosus DC. -- accepted
  Hebeclinium DC. -- accepted -- thoroughwort
  Hilaria cenchroides Kunth -- accepted
  Hymenopappus flavomarginatus I.M. Johnst. -- accepted
  Hymenothrix wislizenii A. Gray -- not accepted
  Ilex arimensis (Loes.) Britton ex R.O. Williams -- accepted
  Iris hoogiana Dykes -- accepted
  Isachne disperma (Lam.) Döll -- accepted
  Isachne myosotis Nees -- accepted
  Isachne polygonoides (Lam.) Döll -- accepted
  Jasarum G.S. Bunting -- accepted
  Jasarum steyermarkii G.S. Bunting -- accepted
  Keysseria Lauterb. -- accepted
  Koanophyllon Arruda -- accepted -- thoroughwort
  Lagenandra Dalzell -- accepted
  Lagenandra gomezii (Schott) Bogner & N. Jacobsen -- accepted
  Lagenandra toxicaria Dalzell -- accepted
  Litrisa Small -- not accepted
  Melica ciliata L. -- accepted
  Mikania hookeriana DC. -- accepted
  Mikania latifolia Sm. -- accepted
  Mikania ovalis Griseb. -- accepted
  Morelotia Gaudich. -- accepted
  Panicum pilosum Sw. -- accepted
  Paspalum bertonii Hack. -- accepted
  Pennisetum macrostachyum Benth. -- not accepted
  Pennisetum orientale Rich. -- not accepted
  Perezia Lagasca -- accepted
  Perezia multiflora (Humb. & Bonpl.) Less. -- accepted
  Poa flabellata (Lam.) Raspail -- accepted
  Polytoca macrophylla Benth. -- not accepted
  Saccharum arundinaceum Retz. -- accepted
  Saccharum bengalense Retz. -- not accepted -- Munj sweetcane
  Senecio lucidus (Sw.) DC. -- not accepted
  Setaria longiseta P. Beauv. -- accepted
  Setaria paniculifera (Steud.) E. Fourn. ex Hemsl. -- not accepted
  Setaria poiretiana (Schult.) Kunth -- not accepted
  Setaria tenax (Rich.) Desv. -- accepted
  Shinnersia R.M.King & H. Rob. -- accepted
  Sigesbeckia jorullensis Kunth -- accepted
  Smallanthus uvedalia (L.) Mack. ex Small -- accepted -- hairy leafcup
  Sporobolus fertilis (Steud.) Clayton -- accepted
  Sporobolus fimbriatus (Trin.) Nees -- accepted -- fringed dropseed
  Sporobolus indicus var. major (Büse) Baaijens -- not accepted
  Synedrellopsis Hieron. & Kuntze -- accepted
  Tamaulipa King & H. Rob. -- accepted -- boneset
  Themeda triandra Forssk. -- accepted
  Trilisa (Cass.) Cass. -- not accepted
  Triraphis mollis R. Br. -- accepted
  Verbesina gigantea Jacq. -- accepted
  Verbesina hastata Kellogg ex Curran -- accepted
  Verbesina howardiana Olsen -- accepted
  Vernonia remotiflora Rich. -- not accepted
  Zaluzania Pers. -- accepted
   

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