♦
LARDIZABALACEAE. The Lardizabala Family.
Akebia Decne.
*A. quinata (Houtt.) Decne. Chocolate vine
♦
LAURACEAE. The Laurel Family.
L. alatum Pursh. Winged l.
var. lanceolatum (Elliott) Torr. & A.Gray
var. alatum
*L. salicaria L. Purple l.
Rotala L.
R. ramosior (L.) Koehne. Tooth-cup.
Lindera Thunb.
L. benzoin (L.) Blume. Spicebush.
♦
Sassafras Nees.
S. albidum (Nutt.) Nees. Sassafras.
Liriodendron L.
L. tulipifera L. Tuliptree, yellow-poplar.
♦
Magnolia L. Magnolia.
M. acuminata (L.) L. Cucumber m.
M. fraseri Walter. Fraser m.
†M. grandiflora L. Southern m.
M. macrophylla Michx. Bigleaf m.
M. pyramidata W.Bartram. Pyramid m.
M. tripetala L. Umbrella m.
LENTIBULARIACEAE. The Bladderwort Family.
Utricularia L. Bladderwort.
U. gibba L. Creeping b.
!U. macrorhiza LeConte. Common b.
♦
LIMNANTHACEAE. The Meadow-foam Family.
Floerkea Willd.
F. proserpinacoides Willd. False mermaid.
♦
LINACEAE. The Flax family.
♦
MAGNOLIACEAE. The Magnolia Family.
MALVACEAE. The Mallow Family.
Abutilon Mill.
*A. theophrasti Medik. Velvetleaf.
Linum L. Flax.
*L. grandiflorum Desf. Flowering f.
L. medium (Planch.) Britton var. texanum (Planch.)
Fernald.
L. striatum Walter. Ridgestem yellow f.
L. sulcatum Riddell var. sulcatum. Grooved yellow f.
*L. usitatissimum L. Common blue f.
L. virginianum L. Virginia yellow f.
Alcea L.
*A. rosea L. Hollyhock.
♦
Hibiscus L.
H. laevis All. Smooth rose-mallow.
H. moscheutos L. Rose-mallow.
subsp. lasiocarpus (Cav.) O.J.Blanch.
subsp. moscheutos
†H. syriacus L. Rose-of-Sharon.
*H. trionum L. Flower-of-an-hour.
LOGANIACEAE. The Logania Family.
Spigelia L.
S. marilandica L. Indian-pink.
♦
LYTHRACEAE. The Loosestrife Family.
Ammannia L. Redstem.
A. coccinea Rottb. Valley r.
A. robusta Heer & Regel. Grand r.
Cuphea P.Brown.
C. viscosissima Jacq. Blue waxweed.
Decodon J.F.Gmel.
D. verticillatus (L.) Elliott. Water-willow.
Didiplis Raf.
!D. diandra (Nutt.) Alph. Wood. Water-purslane.
Lythrum L. Loosestrife.
Anoda Cav.
*A. cristata (L.) Schltdl. Spurred anoda.
Callirhoe Nutt.
!C. alcaeoides (Michx.) A.Gray. Pale poppy-mallow.
Malva L. Mallow.
*M. moschata L. Musk m.
*M. neglecta Wallr. Common m.
*M. sylvestris L. High m.
Malvastrum A.Gray
!M. hispidum (Pursh) Hochr. Hispid false mallow.
Sida L. Sida.
S. elliottii Torr. & A.Gray. Coastal Plain s.
!S. hermaphrodita (L.) Rusby. Virginia s.
*S. rhombifolia L. Arrowleaf s.
*S. spinosa L. Prickly s.
♦
MELASTOMATACEAE. The Melastome Family.
!C. peregrina (L.) J.M.Coult. Sweet-fern.
Rhexia L. Meadow-beauty.
R. mariana L. Pale m.-b.
var. interior (Pennell) Kral & Bostick
var. mariana
R. virginica L. Wing-stem m.-b.
♦
♦
♦
MENISPERMACEAE. The Moonseed Family.
Calycocarpum Nutt.
C. lyonii (Pursh) A.Gray. Cupseed.
Cocculus DC.
C. carolinus (L.) DC. Coralbeads.
Menispermum L.
M. canadense L. Moonseed.
♦
MOLLUGINACEAE. The Carpetweed Family.
Mollugo L.
*M. verticillata L. Carpetweed.
♦
MONOTROPACEAE. The Indian-pipe family.
Monotropa L.
M. hypopithys L. Pine-sap.
M. uniflora L. Indian-pipe.
Monotropsis Schwein. ex Elliott.
!M. odorata Schwein. ex Elliott. Sweet pinesap.
♦
Nelumbo Adans. Lotus.
N. lutea (Willd.) Pers. American l.
*N. nucifera Gaertn. Indian l., sacred-lotus.
NYCTAGINACEAE. The Four-o'clock Family
Mirabilis L. Four-o’clock.
!M. albida (Walter) Heimerl. White f.-o.
*M. jalaba L. Marvel of Peru.
*M. nyctaginea (Michx.) MacMill. Heartleaf f.-o.
♦
NYMPHAEACEAE. The Water-lily Family.
Nuphar Sm.
N. advena (Aiton) W.T.Aiton. Yellow pond-lily.
MENYANTHACEAE. The Buckbean Family.
Nymphoides Hill.
*N. peltata (S.G.Gmel.) Kuntze. Yellow floating-heart.
♦
NELUMBONACEAE. The Lotus Family.
MORACEAE. The Mulberry Family.
Nymphaea L.
N. odorata Aiton.
subsp. odorata. Fragrant water-lily.
♦
NYSSACEAE. The Black gum Family.
Nyssa L. Gum, tupelo.
N. aquatica L. Swamp t.
N. biflora Walter. Swamp g.
N. sylvatica Marshall. Black g.
♦
OLEACEAE. The Olive Family.
Chionanthus L.
C. virginicus L. Fringetree.
Forestiera Poir.
F. acuminata (Michx.) Poir. Swamp-privet.
!F. ligustrina (Michx.) Poir. Upland-privet.
Broussonetia L'Hér.
†B. papyrifera (L.) Vent. Paper-mulberry.
Forsythia Vahl.
†F. suspensa (Thunb.) Vahl. Yellow forsythia.
Fatoua Gaudich.
*F. villosa (Thunb.) Nakai. Crabweed.
Fraxinus L. Ash.
F. americana L. White a.
F. pennsylvanica Marshall. Green a., red a.
var. pennsylvanica. Red a.
var. subintegerrima (Vahl.) Fernald. Green a.
F. profunda (Bush) Bush. Pumpkin a.
F. quadrangulata Michx. Blue a.
Maclura Nutt.
*M. pomifera (Raf.) C.K.Schneid. Osage-orange.
Morus L. Mulberry.
*M. alba L. White m.
M. rubra L. Red m.
♦
MYRICACEAE. The Wax-myrtle Family.
Comptonia L'Hér.
Ligustrum L. Privet.
*L. sinense Lour.
*L. vulgare L.
*L. ovalifolium Hassk.
*L. amurense Carriere.
*L. obtusifolium Siebold & Zucc.
Syringa L.
†S. vulgaris L. Lilac.
♦
ONAGRACEAE. The Evening-Primrose Family.
Calylophus Spach.
!C. serrulatus (Nutt.) P.H.Raven. Yellow
evening-primrose.
Circaea L. Enchanter’s nightshade.
!C. alpina L. Small e. n.
C. lutetiana (L.) Asch. & Magnus
subsp. canadensis (L.) Asch. & Magnus.
Common e. n.
Epilobium L. Willow-herb.
*E. brachycarpum C. Presl. Annual w.-h.
E. ciliatum Raf. American w.-h.
E. coloratum Biehler. Purple-leaved w.-h.
Gaura L. Gaura.
G. biennis L. Biennial g.
G. filipes Spach. Threadstalk g.
G. longiflora Spach. Long-flowered g.
G. parviflora Douglas. Small-flowered g.
Ludwigia L. Water-primrose.
L. alternifolia L. Square-pod w.-p.
L. decurrens Walter. Wingstem w.-p.
L. glandulosa Walter. Small-flowered w.-p.
!L. hirtella Raf. Rafinesque’s w.-p.
L. leptocarpa (Nutt.) H.Hara. Water-willow.
L. palustris (L.) Elliott. Common water-purslane.
L. peploides (HBK) P.H.Raven. Creeping w.-p.
subsp. glabrescens (Kuntze) Shinners.
L. polycarpa Short & R.Peter. Top-pod w.-p.
*L. uruguayensis (Cambess.) H.Hara. Showy w.-p.
Oenothera L. Evening-primrose, sundrops.
O. biennis L. Common e.-p.
O. clelandii W.Dietr., P.H.Raven, & W.L.Wagner.
O. fruticosa L. Common s.
subsp. fruticosa
subsp. glauca (Michx.) Straley
O. laciniata Hill. Cut-leaf e.-p.
!O. linifolia Nutt. Thread-leaf s.
!O. oakesiana (A.Gray) J.W.Robbins. ex S.Watson &
J.M.Coult.
O. parviflora L. Small-flowered e.-p.
!O. perennis (L.) Pennell. Small s.
O. pilosella Raf. Midwestern s.
*O. speciosa Nutt. White e.-p.
!O. triloba Nutt. Sessile e.-p.
♦
OROBANCHACEAE. The Broomrape Family.
Conopholis Wallr.
C. americana (L.) Wallr. Squawroot.
Epifagus Nutt.
E. virginiana (L.) Barton. Beechdrops.
Orobanche L. Broomrape.
!O. ludoviciana Nutt. Prairie b.
*O. ramosa L. Branching b.
O. uniflora L. One-flowered b.
♦
OXALIDACEAE. The Wood-sorrel Family.
Oxalis L. Wood-sorrel.
O. acetosella L. Northern w.-s.
*O. corniculata L. Creeping yellow w.-s.
O. grandis Small. Big yellow w.-s.
O. illinoensis Schwegm. Illinois w.-s.
!O. macrantha (Trel.) Small. Price’s w.-s.
O. stricta L. Common yellow w.-s.
O. violacea L. Violet w.-s.
♦
PAPAVERACEAE. The Poppy Family.
Argemone L.
†A. albiflora Hornem. Prickly poppy.
Chelidonium L.
*C. majus L. Celandine.
Eschscholtzia Cham.
†E. californica Cham. California poppy.
Papaver L. Poppy.
†P. dubium L. Blind-eyes.
†P. rhoeas L. Corn p.
†P. somniferum L. Opium p.
Sanguinaria L.
S. canadensis L. Bloodroot.
Stylophorum Nutt.
S. diphyllum (Michx.) Nutt. Celandine-poppy.
♦
PASSIFLORACEAE. The Passion-flower Family.
Passiflora L. Passion-flower.
P. incarnata L. Maypop p.-f., apricot vine.
P. lutea L. Yellow p.-f.
var. glabriflora Fernald
var. lutea
♦
PEDALIACEAE. The Sesame Family.
Proboscidea Schmidel
P. louisianica (Mill.) Thell. Devil’s claw.
♦
Phryma L.
P. leptostachya L Lopseed.
♦
PHYTOLACCACEAE. The Pokeweed Family.
Phytolacca L.
P. americana L. Pokeweed.
♦
PLANTAGINACEAE. The Plantain Family.
Plantago L. Plantain.
P. aristata Michx. Bracted p.
!P. cordata Lam. Heart leaf p., king-root.
P. heterophylla Nutt. Many-seeded p.
*P. lanceolata L. English p.
*P. major L. Common p.
*P. patagonica Jacq. Woolly p.
P. pusilla Nutt. Little p.
*P. rhodosperma Decne. Toothed p.
P. rugelii Decne. American p.
P. virginica L. Hoary p.
♦
PLATANACEAE. The Sycamore Family.
Platanus L.
P. occidentalis L. Sycamore.
♦
♦
POLYGALACEAE. The Milkwort Family.
Polygala L. Milkwort.
P. ambigua Nutt. Loose m.
!P. cruciata L. Drum-heads.
P. curtissii A. Gray. Appalachian m.
P. incarnata L. Pink m.
P. mariana Mill. Maryland m.
!P. nuttallii Torr. & A.Gray. Nuttall’s m.
!P. paucifolia Willd. Flowering-wintergreen.
!P. polygama Walter. Bitter m.
P. sanguinea L. Blood-m.
P. senega L. Senega snakeroot.
var. latifolia Torr. & A.Gray.
var. senega
P. verticillata L. Whorled m.
var. isocycla Fernald
var. verticillata
♦
POLYGONACEAE. The Smartweed Family.
Brunnichia Banks.
B. ovata (Walter) Shinners. Buckwheat vine.
Eriogonum Michx.
E. longifolium Nutt. Harper’s buckwheat.
var. harperi (Goodman) Reveal.
PODOSTEMACEAE. The Riverweed Family.
Podostemum Michx.
!P. ceratophyllum Michx. River-weed, thread-foot.
♦
var. reptans
var. villosum E.L.Braun
PHRYMACEAE. The Lopseed Family.
POLEMONIACEAE. The Phlox Family.
Gilia Ruiz & Pav.
G. rubra (L.) A.Heller. Standing-cypress.
Phlox L. Phlox.
P. amoena Sims. Hairy p.
P. amplifolia Britton. Wide-leaved p.
!P. bifida Beck. Sand p.
subsp. bifida
subsp. stellaria (A.Gray) Wherry
P. divaricata L. Forest p.
P. glaberrima L. Smooth p.
P. maculata L. Meadow p.
P. paniculata L. Summer p.
P. pilosa L. Prairie p.
P. stolonifera Sims. Crawling p.
P. subulata L. Moss-pink.
Polemonium L.
P. reptans L. Jacob’s-ladder.
Fagopyrum Mill.
†F. esculentum Moench. Buckwheat.
Polygonum L. Smartweed, knotweed.
P. amphibium L. Water s.
var. emersum Michx.
P. arifolium L. Halberd-leaved tearthumb.
P. aviculare L. Knotweed.
P. buxiforme Small. Knotweed.
*P. caespitosum Blume. Oriental lady’s thumb.
var. longisetum (Bruijn) Steward
P. careyi Olney. Carey’s s.
P. cilinode Michx. Fringed bindweed.
*P. convolvulus L. Black bindweed.
*P. cuspidatum Siebold. & Zucc. Japanese k.
P. densiflorum Meisn. Denseflower.
P. erectum L. Erect k.
P. hydropiper L. Water-pepper.
P. hydropiperoides Michx. False water-pepper.
P. lapathifolium L. Dock-leaved s.
*P. orientale L. Prince’s-feather,
kiss-me-over-the-garden-gate.
P. pensylvanicum (L.) Small. Pennsylvania s.
*P. persicaria L. Spotted lady’s thumb.
P. punctatum Elliott. Dotted s.
P. ramosissimum Michx. Knotweed.
*P. sachalinense F.W.Schmidt. Giant k.
P. sagittatum L. Arrow-leaved tearthumb.
P. scandens L. False buckwheat.
var. cristatum (Engelm & A.Gray) Gleason
var. dumetorum (L.) Gleason
var. scandens
P. setaceum Baldwin ex Elliott. Bog s.
P. tenue Michx. Slender k.
P. virginianum L. Jumpseed.
L. hybrida Michx. Mississippi Valley l.
L. lanceolata Walter. Lance-leaved l.
*L. nummularia L. Moneywort.
L. quadriflora Sims. Smooth l.
L. quadrifolia L. Whorled l.
!L. radicans Hook. Trailing l.
!L. terrestris (L.) BSP. Swamp candles.
L. tonsa (Alph.Wood) R.Knuth. Appalachian l.
*L. vulgaris L. Garden l.
Rumex L. Dock.
*R. acetosella L. Sheep sorrel.
R. altissimus Alph. Wood. Pale d.
?R. brittanica L.
*R. conglomeratus Murray. Clustered green d.
*R. crispus L. Curly d.
?R. fueginus Phillippi
*R. obtusifolius L. Bitter d.
*R. patientia L. Patience d.
*R. pulcher L. Fiddle d.
R. salicifolius Weinm. Mexican d.
R. verticillatus L. Water d.
Samolus L.
S. floribundus HBK. Water-pimpernel.
♦
♦
PYROLACEAE. The Shinleaf Family.
Chimaphila Pursh.
C. maculata (L.) Pursh. Spotted-wintergreen.
Pyrola L.
!P. americana Sweet. American shinleaf.
PORTULACACEAE. The Purslane Family.
Claytonia L. Spring-beauty.
C. caroliniana Michx. Carolina s.-b.
C. virginica L. Virginia s.-b.
Portulaca L.
*P. oleracea L. Common purslane.
Talinum Adans. Fame-flower.
!T. calcaricum S.Ware. Glade f.-f.
!T. teretifolium Pursh. Appalachian f.-f.
♦
Trientalis L.
!T. borealis Raf. Starflower.
PRIMULACEAE. The Primrose Family.
Anagallis L.
*A. arvensis L. Pimpernel.
subsp. arvensis
subsp. foemina (Mill.) Schinz & Thell.
Centunculus L.
C. minimus L. Chaffweed.
Dodecatheon L. Shooting-star.
!D. frenchii (Vasey) Rydb. French’s s.-s.
D. meadia L. Eastern s.-s.
Hottonia L.
H. inflata Elliott. Featherfoil.
Lysimachia L. Loosestrife.
L. ciliata L. Fringed l.
*L. clethroides Duby. Gooseneck l.
!L. fraseri Duby. Fraser’s l.
♦
RANUNCULACEAE. The Buttercup Family.
Aconitum L.
!A. uncinatum L. Southern monkshood.
Actaea L.
A. pachypoda Elliott. White baneberry.
Anemone L. Windflower, anemone.
!A. canadensis L. Canadian a.
A. quinquefolia L. Wood a.
var. lancifolia (Pursh) Fosberg
var. quinquefolia
A. virginiana L. Tall a.
Anemonella Spach.
A. thalictroides (L.) Spach. Rue-anenome.
Aquilegia L. Columbine.
A. canadensis L. Red c.
A. vulgaris L. European c.
Caltha L.
!C. palustris L. Marsh-marigold.
Cimicifuga Wernisch. Bugbane.
C. americana Michx. American b.
C. racemosa (L.) Nutt. Black cohosh.
!C. rubifolia Kearney. Appalachian b.
Clematis L. Clematis, leather flower.
C. catesbyana Pursh. Satincurls.
!C. crispa L. Swamp l. f.
C. glaucophylla Small. White-leaved l. f.
C. pitcheri Torr. & A.Gray. Bluebill.
*C. terniflora DC. Yam-leaved c.
C. versicolor Small ex Rydb. Pale l. f.
C. viorna L. Vasevine.
C. virginiana L. Virgin’s-bower.
Consolida S.F.Gray
*C. ajacis (L.) Schur. Rocket larkspur.
Delphinium L. Larkspur.
!D. carolinianum Walter. Carolina l.
var. calciphilum M.J.Warnock.
D. exaltatum Aiton. Tall l.
D. tricorne Michx. Dwarf l.
Enemion Raf.
E. biternatum Raf. False rue anemone.
Hepatica Mill. Hepatica, liverleaf.
H. acutiloba DC. Sharp-lobed h.
H. americana (DC.) Ker Gawl. Round-lobed h.
Hydrastis L.
H. canadensis L. Goldenseal.
Myosurus L.
M. minimus L. Mouse-tail.
Ranunculus L. Buttercup, crowfoot, spearwort.
R. abortivus L. Small-flowered c.
*R. acris L. Common b.
R. allegheniensis Britton. Allegheny c.
!R. ambigens S.Watson. Water-plantain s.
R. aquatilis L.
var. diffusus With. Whitewater c.
*R. bulbosus L. Bulbous b.
R. fascicularis Muhl. ex Bigelow. Thick-root b.
*R. ficaria L. Lesser celandine.
R. flabellaris Raf. Yellow water c.
R. hispidus Michx. Hispid b.
var. caricetorum (Greene) T.Duncan
var. hispidus
var. nitidus (Elliott) T.Duncan
R. laxicaulis (Torr. & A.Gray) Darby. Coastal-plain s.
R. micranthus (A.Gray) Nutt. ex Torr. & A.Gray.
Hairy small-flowered c.
*R. parviflorus L. Stickseed-c.
R. pusillus Poir. Low s.
R. recurvatus Poir. Hooked b.
*R. repens L. Creeping b.
*R. sardous Crantz. Hairy b.
R. sceleratus L. Cursed c.
Thalictrum L. Meadow-rue.
T. clavatum DC. Mountain m.-r.
T. coriaceum (Britton) Small. Maid-of-the-mist.
T. dasycarpum Fisch. & Avé-Lall. Purple m.-r.
T. dioicum L. Early m.-r.
T. mirabile Small. Little mountain m.-r.
T. pubescens Pursh. Tall m.-r.
T. revolutum DC. Skunk m.-r.
Trautvetteria Fisch. & C.A.Mey.
T. caroliniensis (Walter) Vail. False bugbane.
var. caroliniensis
Xanthorhiza Marshall.
X. simplicissima Marshall. Yellow-root.
♦
RHAMNACEAE. The Buckthorn Family.
Berchemia Neck.
!B. scandens (Hill) K.Koch. Supple-jack.
Ceanothus L.
C. americanus L. New Jersey tea.
var. americanus
var. intermedius (Pursh) K.Koch
var. pitcheri Torr. & A.Gray.
!C. herbaceus Raf. Prairie-redroot.
Rhamnus L. Buckthorn.
R. caroliniana Walter. Carolina b.
*R. cathartica L. European b.
*R. davurica Pall. Dahurian b.
*R. frangula L. European alder-b.
R. lanceolata Pursh. Lance-leaved b.
♦
ROSACEAE. The Rose Family.
Agrimonia L. Agrimony.
!A. gryposepala Wallr. Tall hairy a.
A. parviflora Aiton. Harvestlice.
A. pubescens Wallr. Soft a.
A. rostellata Wallr. Beaked a.
Amelanchier Medik. Serviceberry.
A. arborea (F.Michx.) Fernald. Downy s.
A. laevis Wiegand. Smooth s.
Aphanes L.
*A. microcarpa (Boiss. & Reut.) Rothm.
Slender parsley piert.
Aronia Medik. Chokeberry.
A. arbutifolia (L.) Pers. Red c.
A. melanocarpa (Michx.) Elliott. Black c.
A. prunifolia (Marshall) Rehder. Purple c.
Aruncus L.
A. dioicus (Walter) Fernald. Goat’s-beard.
var. dioicus
var. pubescens (Rydb.) Fernald
Chaenomeles Lindl.
†C. speciosa (Sweet) Nakai. Japanese-quince.
Crataegus L. Hawthorn.
C. berberifolia Torr. & A.Gray. Barberry h.
C. calpodendron (Ehrh.) Medik. Pear h.
C. coccinea L. Scarlet h.
C. crus-galli L. Cockspur h.
C. flabellata (Spach) G.Kirchn. Fan-leaf h.
C. intricata Lange. Biltmore h.
C. mollis (Torr. & A.Gray) Scheele. Downy h.
*C. monogyna Jacq. One-seed h.
C. phaenopyrum (L.f.) Medik. Washington thorn.
C. pruinosa (H.L.Wendl.) K.Koch. Waxy-fruited h.
C. punctata Jacq. Large-fruited h.
C. spathulata Michx. Little-hip h.
C. uniflora Münchh. One-flower h.
C. viridis L. Green h.
Duchesnea Sm.
*D. indica (Andr.) Focke. Indian strawberry.
Fragaria L.
F. virginiana Duchesne. Wild strawberry.
Geum L. Avens.
G. canadense Jacq. White a.
G. laciniatum Murray. Rough a.
G. vernum (Raf.) Torr. & A.Gray. Spring a.
G. virginianum L. Cream-colored a.
Kerria (L.) DC.
†K. japonica (L.) DC. Japanese rose.
Malus Mill. Apple, crabapple.
!M. angustifolia (Aiton) Michx. Southern c.
M. coronaria (L.) Mill. Sweet c.
M. ioensis (Alph.Wood) Britton. Prairie c.
†M. pumila Mill. Common a.
Physocarpus Maxim.
P. opulifolius (L.) Maxim. Ninebark.
Porteranthus Britton. Indian-physic.
P. stipulatus (Muhl. ex Willd.) Britton. Mid-western I.-p.
P. trifoliatus (L.) Britton. Mountain I.-p.
Potentilla L. Cinquefoil, five-fingers.
P. canadensis L. Running f.-f.
var. villosissima Fernald.
*P. intermedia L. Downy c.
P. norvegica L. Strawberry-weed.
*P. recta L. Sulphur f.-f.
P. simplex Michx. Old-field f.-f.
Prunus L. Cherry, plum.
P. americana Marshall. American p.
P. angustifolia Marshall. Chickasaw p.
*P. avium (L.) L. Sweet c.
*P. cerasus L. Sour c.
P. hortulana L.H.Bailey Hortulana p.
*P. mahaleb L. Mahaleb c.
P. mexicana S. Watson. Mexican p.
P. munsoniana W.Wight & Hedrick. Wild goose p.
P. nigra Aiton. Canada p.
†P. persica (L.) Batsch. Peach.
P. serotina Ehrh. Wild black c.
P. virginiana L. Common chokecherry.
Pyrus L. Pear.
*P. calleryana Decne. Bradford p.
*P. communis L. Common p.
Rhodotypos Siebold & Zucch.
*R. scandens (Thunb.) Makino. Jetbead.
Rosa L. Rose.
†R. canina L. Dog r.
R. carolina L. Pasture r.
*R. eglanteria L. Eglantine r.
†R. gallica L. French r.
†R. micrantha Borrer. Sweetbrier.
*R. multiflora Thunb. Multiflora r.
R. palustris Marshall. Swamp r.
†R. rugosa Thunb. Japanese r.
R. setigera Michx. Prairie r.
R. virginiana Mill. Virginia r.
†R. wichuraiana Crep.
Rubus L. Blackberry, raspberry, dewberry.
R. allegheniensis Porter. Common b.
R. argutus Link. Southern b.
*R. bifrons Vest ex Tratt.
!R. canadensis L. Smooth b.
!R. flagellaris Willd. Northern d.
R. hispidus L. Swamp d.
R. occidentalis L. Black r.
R. odoratus L. Flowering r.
R. pensilvanicus Poir. Pennsylvania b.
*R. phoenicolasius Maxim. Wineberry.
R. trivialis Michx. Coastal plain d.
R. whartoniae L.H.Bailey. Wharton’s d.
Sanguisorba L. Burnet.
!S. canadensis L. American b.
Spiraea L. Spiraea.
!S. alba Du Roi. Meadowsweet.
*S. japonica L.f. Japanese s.
†S. prunifolia Siebold & Zucc.
†S. thunbergii Siebold.
S. tomentosa L. Hardhack.
!S. virginiana Britton. Appalachian s.
Waldsteina Willd.
W. fragarioides (Michx.) Tratt. Barren-strawberry.