Humboldt State University Digital Commons @ Humboldt State University Botanical Studies Open Educational Resources and Data 5-19-2019 The Families and Genera of Vascular Plants Endemic to the Conterminous United States James P. Smith Jr Humboldt State University, [email protected] Follow this and additional works at: https://digitalcommons.humboldt.edu/botany_jps Part of the Botany Commons Recommended Citation Smith, James P. Jr, "The Families and Genera of Vascular Plants Endemic to the Conterminous United States" (2019). Botanical Studies. 100. https://digitalcommons.humboldt.edu/botany_jps/100 This Flora of the United States and North America is brought to you for free and open access by the Open Educational Resources and Data at Digital Commons @ Humboldt State University. It has been accepted for inclusion in Botanical Studies by an authorized administrator of Digital Commons @ Humboldt State University. For more information, please contact [email protected]. VASCULAR PLANT FAMILIES AND GENERA ENDEMIC TO THE CONTERMINOUS UNITED STATES James P. Smith, Jr. Professor Emeritus of Botany Department of Biological Sciences Humboldt State University Arcata, California 19 May 2019 Campanulaceae Cuniculotinus Rigiopappus FAMILIES Howellia Delweinsia Rugelia Porterella Dimeresia Scabrethia Leitneriaceae Dysodiopsis Sclerolepis Caryophyllaceae Eastwoodia • CA Stokesia Geocarpon Eatonella Thurovia • TX GENERA Echinacea Toiyabea • NV Chenopodiaceae Enceliopsis Tracyina • CA Cupressaceae Grayia Garberia • FL Triniteurybia Sequoia Micromonolepis Glyptopleura Yermo • WY Sequoiadendron • CA Suckleya Harmonia • CA Zuckia Hartwrightia Convolvulaceae Annonaceae Hasteola Stylisma Asimina Cleomaceae Hecastocleis Deeringothamnus • FL Carsonia Hemizonia Crassulaceae Oxystylis Herrickia Diamorpha Apocynaceae Hesperevax Sedella • CA Cycladenia Compositae Holocarpha • CA Acamptopappus Holozonia • CA Crossosomataceae Araceae Achyrachaena Jamesianthus • AL Apacheria Orontium Ampelaster Jensia • CA Amphiachyris Kyhosia Cruciferae Aristolochiaceae Amphipappus Lagophylla Anelsonia Hexastylis Ancistrocarphus Lipochaeta Chlorocrambe Balduina Lorandersonia Cusickiella Asparagaceae Benitoa • CA Marshallia Iodanthus Eremocrinum Bigelowia Monolopia • CA Leavenworthia Hastingsia Blepharipappus Munzothamnus • CA Nevada • NV Hesperocallis Blepharizonia • CA Oönopsis Phoenicaulis Leucrocrinum Bradburia Oreostemma Polyctenium Muilla Brintonia Orochaenactis • CA Sibaropsis • CA Schoenolirion Calycadenia Oxytenia Stanleya Carlquistia • CA Petradoria Warea Berberidaceae Carphephorus Phalacroseris • CA Yosemitea Vancouveria Chaetadelpha Phoebanthus Chamaechaenactis Picradeniopsis Cyperaceae Boraginaceae Chorisiva Picrothamnus Calliscirpus Dasynotus Chrysogonum Platyschkuhria Cymophyllus Chrysoma Pleiacanthus Cactaceae Chrysopsis Pseudobahia • CA Cyrillaceae Pediocactus Columbiadoria Raillardella Cliftonia Sclerocactus Constancea • CA Rainiera -1- Diapensiaceae Rhododon Gilmania • CA Theaceae Galax Stachydeoma Goodmania Franklinia • GA † Pyxidanthera Stenogyna Hollisteria • CA Synandra Johanneshowellia Tofieldiaceae Droseraceae Mucronea • CA Harperocallis • FL Dionaea Lauraceae Polygonella Pleea Umbellularia Stenogonum Ericaceae Systenotheca • CA Ulmaceae Ceratiola Leguminosae Planera Eubotrys Chapmannia • FL Ranunculaceae Kalmiopsis • OR Glottidium Xanthorhiza Umbelliferae Monotropsis Lackeya Cynosciadium Oxydendrum Parryella Rosaceae Daucosma Pityopus Chamaebatiaria Eurytaenia Zenobia Leitneriaceae Coleogyne Harbouria Leitneria Gillenia Limnosciadium Euphorbiaceae Horkeliella • CA Neoparrya Ditrysinia Liliaceae Kelseya Oreonana • CA Scoliopus Lyonothamnus • CA Oreoxis Fagaceae Neviusia Orogenia Chrysolepis Linaceae Peraphyllum Polytaenia Sclerolinon Pteryxia Gentianaceae Rubiaceae Ptilimnium Obolaria Malvaceae Pinckneya Shoshonea Napaea Trepocarpus Gramineae Santalaceae Amphicarpum Melanthiaceae Nestronia Anthaenantia Amaianthum Numerical Summary Neostapfia • CA Helonias Sarraceniaceae Redfieldia Melanthium Darlingtonia Swallenia • CA Zigadenus Families = 1 Vaseyochloa • TX Saxifragaceae Menispermaceae Bensoniella Genera=242 Hamamelidaceae Calycocarpum Bolandra Lycophytes = 0 Fothergilla Cascadia Ferns = 0 Moraceae Darmera Gymnosperms = 2 Hydrangeaceae Maclura Saxifragopsis Flowering Plants =240 Carpenteria • CA Sullivantia Jamesia Palmae Tolmiea Endemic to 1 state Whippleya Rhapidophyllum California = 37 Serenoa Scrophulariaceae Florida = 4 Hydrocharitaceae Chelone Nevada = 2 Limnobium Papaveraceae Chionophila Texas = 2 Arctomecon Dasistoma Alabama = 1 Hydrophyllaceae Canbya Holmgrenanthe • CA Georgia = 1 Draperia • CA Hesperomecon • CA Howelliella • CA Oregon = 1 Howellanthus • CA Meconella Macranthera Wyoming = 1 Miltitzia Nothochelone Tricardia Polemoniaceae Schwalbea Gymnosteris Sophronanthe Labiatae Lathrocasis Brazoria Solanaceae Conradina Polygonaceae Oryctes Dicerandra Acanthoscyphus • CA Haplostachys Aristocapsa • CA Tecophilaeaceae Macbridea Dedeckera • CA Odontostomum Piloblephis Dodecahema • CA -2-.