- All About Sporobolus Asper (Beauv.) Kunth Var. Clandestinus (Biehler) Shinners
- All About Sporobolus Canovirens Nash
- All About Spiranthes Sinensis (Pers.) Ames
- All About Duckmeat
- All About Common Duckmeat
- All About Lemna Polyrrhiza L.
- All About Spirodela Polyrhiza (L.) Schleiden [orthographic Variant]
- All About Spirodela Polyrrhiza (L.) Schleid. Var. Masonii Daubs
- All About Mombin
- All About Southern Lady's Tresses
- All About Ibidium Tortile (Sw.) House
- All About Spiranthes Tortilis (Sw.) L.C. Rich.
- All About Little Lady's Tresses
- All About Spiranthes Grayi Ames
- All About Spiranthes Tuberosa Raf. Var. Grayi (Ames) Fern.
- All About Spring Lady's Tresses
- All About Ibidium Vernale (Engelm. & Gray) House
- All About October Lady's Tresses (Spiranthes Ovalis Lindl.)
- All About Creamy Lady's Tresses
- All About Spiranthes Romanzoffiana Cham. Var. Porrifolia (Lindl.) Ames & Correll
- All About Greenvein Lady's Tresses
- All About Ibidium Praecox (Walt.) House
- All About Hooded Lady's Tresses
- All About Ibidium Strictum (Rydb.) House
- All About Spiranthes Stricta Rydb.
- All About Great Plains Lady's Tresses
- All About Spiranthes ×meridionalis P.M. Brown [praecox × Vernalis]
- All About Marsh Lady's Tresses
- All About Spiranthes Cernua (L.) L.C. Rich. Var. Odorata (Nutt.) Correll
- All About October Lady's Tresses
- All About October Lady's Tresses (Spiranthes Ovalis Lindl. Var. Ovalis)
- All About Ibidium Ovale (Lindl.) House
- All About Spiranthes Gracilis (Bigelow) Beck
- All About Northern Slender Lady's Tresses (Spiranthes Lacera (Raf.) Raf.)
- All About Lacelip Lady's Tresses
- All About Ibidium Laciniatum (Small) House
- All About Giantspiral Lady's Tresses
- All About Ibidium Longilabre (Lindl.) House
- All About Shining Lady's Tresses
- All About Ibidium Plantagineum (Raf.) House
- All About Spiranthes Brevilabris Lindl. Var. Floridana (Wherry) Luer
- All About Spiranthes Gracilis (Bigelow) Beck Var. Floridana (Wherry) Correll
- All About Spiranthes ×folsomii P.M. Brown [longilabris × Odorata]
- All About Spiranthes ×itchetuckneensis P.M. Brown [ovalis × Odorata]
- All About Northern Slender Lady's Tresses
- All About Ibidium Beckii (Lindl.) House
- All About Ibidium Gracile (Bigelow) House
- All About Spiranthes Beckii Lindl.
- All About Spiranthes Cernua (L.) L.C. Rich. Var. Incurva Jennings
- All About Reclusive Lady's Tresses
- All About Ute Lady's Tresses
- All About Spiranthes Romanzoffiana Cham. Var. Diluvialis (Sheviak) Welsh
- All About Eaton's Lady's Tresses
- All About Florida Lady's Tresses
- All About Ibidium Floridanum Wherry
- All About Virginia Meadowsweet
- All About Spiraea Virginiana Britt. Var. Serrulata Rehd.
- All About Lady's Tresses
- All About Texas Lady's Tresses
- All About Spiranthes Brevilabris Lindl. Var. Brevilabris Lindl. [superfluous Autonym]
- All About Spiranthes Gracilis (Bigelow) Beck Var. Brevilabris (Lindl.) Correll
- All About Nodding Lady's Tresses
- All About Ibidium Cernuum (L.) House
- All About Spiraea Densiflora Nutt. Ex Greenm. Ssp. Splendens (Baumann Ex K. Koch) Abrams
- All About Spiraea Densiflora Nutt. Ex Greenm. Var. Splendens (Baumann Ex K. Koch) C.L. Hitchc.
- All About Rose Meadowsweet (Spiraea Splendens Baumann Ex K. Koch)
- All About Thunberg's Meadowsweet
- All About Steeplebush
- All About Spiraea Tomentosa L. Var. Rosea (Raf.) Fern.
- All About Spiraea Tomentosa L. Var. Tomentosa L. [superfluous Autonym]
- All About Spiraea ×vanhouttei (Briot) Carr. [cantoniensis × Trilobata]
- All About Bridalwreath Spirea
- All About Spiraea Prunifolia Sieb. & Zucc. Var. Plena Schneid.
- All About Spiraea ×pyramidata Greene (pro Sp.) [betulifolia × Douglasii]
- All About Spiraea Tomentulosa Rydb.
- All About Willowleaf Meadowsweet
- All About Rose Meadowsweet (Spiraea Splendens Baumann Ex K. Koch Var. Splendens)
- All About Spiraea Densiflora Nutt. Ex Greenm.
- All About Menzies' Spirea
- All About Spiraea Douglasii Hook. Ssp. Menziesii (Hook.) Calder & Taylor
- All About Spiraea Menziesii Hook.
- All About Spiraea Subvillosa Rydb.
- All About Rose Spirea (Spiraea Douglasii Hook.)
- All About Fortune Meadowsweet
- All About Japanese Meadowsweet
- All About Spiraea Japonica L. F. Var. Alpina Maxim.
- All About Spiraea Lucida Dougl. Ex Greene
- All About White Spirea
- All About Spiraea ×billiardii Herincq. (pro Sp.) [douglasii × Salicifolia]
- All About Reeves' Meadowsweet
- All About Germander Meadowsweet (Spiraea Chamaedryfolia L.)
- All About Rose Spirea
- All About Spiraea Douglasii Hook. Var. Roseata (Rydb.) C.L. Hitchc.
- All About Spinach (Spinacia Oleracea L.)
- All About Spirea
- All About White Meadowsweet
- All About White Meadowsweet (Spiraea Alba Du Roi Var. Latifolia (Ait.) Dippel)
- All About Spiraea Latifolia (Ait.) Borkh.
- All About White Meadowsweet (Spiraea Alba Du Roi)
- All About Shinyleaf Spirea
- All About Spiraea Betulifolia Pallas Ssp. Lucida (Dougl. Ex Greene) Taylor & MacBryde
- All About West Indian Pinkroot
- All About Purpleflower Pinkroot (Spigelia Gentianoides Chapman Ex A. DC. Var. Gentianoides)
- All About Purpleflower Pinkroot (Spigelia Gentianoides Chapman Ex A. DC.)
- All About Florida Pinkroot
- All About Coelostylis Loganioides Torr. & Gray Ex Endl. & Fenzl
- All About Woodland Pinkroot
- All About Spinach
- All About Swamp Wedgescale
- All About Trisetum Pensylvanicum (L.) Beauv. Ex Roemer & J.A. Schultes
- All About Sphenosciadium
- All About Woollyhead Parsnip
- All About Sphinctospermum
- All About Hourglass Peaseed
- All About Tephrosia Constricta S. Wats.
- All About Pinkroot
- All About Slender Wedgescale
- All About Sphenopholis Intermedia (Rydb.) Rydb. Var. Pilosa Dore
- All About Sphenopholis Obtusata (Michx.) Scribn. Var. Major (Torr.) K.S. Erdman
- All About Shiny Wedgescale
- All About Prairie Wedgescale
- All About Aira Obtusata Michx.
- All About Sphenopholis Obtusata (Michx.) Scribn. Var. Lobata (Trin.) Scribn.
- All About Sphenopholis Obtusata (Michx.) Scribn. Var. Pubescens (Scribn. & Merr.) Scribn.
- All About Silphium Trilobatum L.
- All About Thelechitonia Trilobata (L.) H.E. Robins. & Cuatrec.
- All About Wedelia Trilobata (L.) A.S. Hitchc.
- All About Sphenoclea
- All About Chickenspike
- All About Wedgescale
- All About Longleaf Wedgescale
- All About Tanacetum Capitatum (Nutt.) Torr. & Gray
- All About Sphaerophysa
- All About Alkali Swainsonpea
- All About Phaca Salsula Pallas
- All About Swainsona Salsula (Pallas) Taubert
- All About Creeping-oxeye
- All About Bay Biscayne Creeping-oxeye
- All About Complaya Trilobata (L.) Strother
- All About Rusby's Globemallow (Sphaeralcea Rusbyi Gray)
- All About Wright's Globemallow
- All About Chickensage
- All About Silver Chickensage
- All About Tanacetum Nuttallii Torr. & Gray
- All About Gray Chickensage
- All About Tanacetum Canum D.C. Eat.
- All About Rock Tansy
- All About Smallflower Globemallow
- All About Rusby's Globemallow
- All About Sphaeralcea Eremicola Jeps.
- All About Sphaeralcea Rusbyi Gray Var. Eremicola (Jepson) Kearney
- All About Gila Globemallow
- All About Sphaeralcea Rusbyi Gray Var. Gilensis (Kearney) Kearney
- All About Rusby's Globemallow (Sphaeralcea Rusbyi Gray Ssp. Rusbyi)
- All About Sphaeralcea Incana Torr. Ex Gray Var. Cuneata (Kearney) Kearney
- All About Gray Globemallow
- All About Gray Globemallow (Sphaeralcea Incana Torr. Ex Gray)
- All About Caliche Globemallow
- All About Scaly Globemallow
- All About Munro's Globemallow
- All About Munro's Globemallow (Sphaeralcea Munroana (Dougl. Ex Lindl.) Spach Ex Gray)
- All About Carrizo Creek Globemallow
- All About Sphaeralcea Subhastata Coult. Ssp. Pumila (Woot. & Standl.) Kearney
- All About Sphaeralcea Subhastata Coult. Ssp. Thyrsoidea Kearney
- All About Sphaeralcea Subhastata Coult. Var. Connata (Kearney) Kearney
- All About Sphaeralcea Subhastata Coult. Var. Latifolia (Kearney) Kearney
- All About Sphaeralcea Subhastata Coult. Var. Martii (Cockerell) Kearney
- All About Sphaeralcea Subhastata Coult. Var. Pumila (Woot. & Standl.) Kearney
- All About Sphaeralcea Subhastata Coult. Var. Thyrsoidea (Kearney) Kearney
- All About Soft Globemallow
- All About Gooseberryleaf Globemallow (Sphaeralcea Grossulariifolia (Hook. & Arn.) Rydb. Ssp. Pedata (Torr. Ex Gray) Kearney)
- All About Sphaeralcea Grossulariifolia (Hook. & Arn.) Rydb. Var. Pedata (Torr. Ex Gray) Kearney
- All About Gooseberryleaf Globemallow (Sphaeralcea Grossulariifolia (Hook. & Arn.) Rydb.)
- All About Spear Globemallow
- All About Sphaeralcea Subhastata Coult.
- All About Sphaeralcea Subhastata Coult. Ssp. Connata Kearney
- All About Sphaeralcea Subhastata Coult. Ssp. Latifolia Kearney
- All About Sphaeralcea Subhastata Coult. Ssp. Martii (Cockerell) Kearney
- All About Thicket Globemallow (Sphaeralcea Fendleri Gray Ssp. Tripartita (Woot. & Standl.) Kearney)
- All About Sphaeralcea Fendleri Gray Var. Tripartita (Woot. & Standl.) Kearney
- All About Thicket Globemallow (Sphaeralcea Fendleri Gray Ssp. Venusta Kearney)
- All About Sphaeralcea Fendleri Gray Var. Venusta (Kearney) Kearney
- All About Fendler's Globemallow (Sphaeralcea Fendleri Gray)
- All About Gooseberryleaf Globemallow
- All About Sphaeralcea Grossulariifolia (Hook. & Arn.) Rydb. Var. Fumariensis Welsh & Atwood
- All About Sphaeralcea Grossulariifolia (Hook. & Arn.) Rydb. Var. Moorei Welsh
- All About Sphaeralcea Emoryi Torr. Var. Emoryi Torr. [superfluous Autonym]
- All About Sphaeralcea Emoryi Torr. Ex Gray Var. Variabilis (Cockerell) Kearney
- All About Thicket Globemallow
- All About Sphaeralcea Fendleri Gray Var. Albescens (Kearney) Kearney
- All About Thicket Globemallow (Sphaeralcea Fendleri Gray Ssp. Elongata Kearney)
- All About Sphaeralcea Fendleri Gray Var. Elongata (Kearney) Kearney
- All About Fendler's Globemallow
- All About Coulter's Globemallow
- All About Juniper Globemallow
- All About Juniper Globemallow (Sphaeralcea Digitata (Greene) Rydb.)
- All About Emory's Globemallow
- All About Sphaeralcea Emoryi Torr. Ex Gray Ssp. Arida (Rose) Kearney
- All About Sphaeralcea Emoryi Torr. Ex Gray Ssp. Variabilis (Cockerell) Kearney
- All About Sphaeralcea Emoryi Torr. Ex Gray Var. Arida (Rose) Kearney
- All About Sphaeralcea Emoryi Torr. Ex Gray Var. Californica (Parish) Shinners
- All About Sphaeralcea Cuspidata (Gray) Britt.
- All About Sphaeralcea Emoryi Torr. Ex Gray Ssp. Nevadensis Kearney
- All About Sphaeralcea Emoryi Torr. Ex Gray Var. Nevadensis (Kearney) Kearney
- All About Scarlet Globemallow
- All About Malvastrum Coccineum (Nutt.) Gray
- All About Sphaeralcea Coccinea (Nutt.) Rydb. Ssp. Dissecta (Nutt. Ex Torr. & Gray) Kearney
- All About Sphaeralcea Coccinea (Nutt.) Rydb. Var. Dissecta (Nutt. Ex Torr. & Gray) Garrett
- All About Scarlet Globemallow (Sphaeralcea Coccinea (Nutt.) Rydb.)
- All About Sphaeralcea Ambigua Gray Var. Ambigua Gray [superfluous Autonym]
- All About Copper Globemallow
- All About Phymosia Cuspidata (Gray) Britt.
- All About Sphaeralcea Angustifolia (Cav.) G. Don Ssp. Cuspidata (Gray) Kearney
- All About Sphaeralcea Angustifolia (Cav.) G. Don Ssp. Lobata (Woot.) Kearney
- All About Sphaeralcea Angustifolia (Cav.) G. Don Var. Cuspidata Gray
- All About Sphaeralcea Angustifolia (Cav.) G. Don Var. Lobata (Woot.) Kearney
- All About Sphaeralcea Angustifolia (Cav.) G. Don Var. Oblongifolia (Gray) Shinners
- All About Apricot Globemallow
- All About Desert Globemallow
- All About Sphaeralcea Ambigua Gray Var. Aculeata Jepson
- All About Rose Globemallow
- All About Sphaeralcea Ambigua Gray Var. Rosacea (Munz & Johnston) Kearney
- All About Desert Globemallow (Sphaeralcea Ambigua Gray Ssp. Rugosa Kearney)
- All About Sphaeralcea Ambigua Gray Var. Rugosa (Kearney) Kearney
- All About Desert Globemallow (Sphaeralcea Ambigua Gray)
- All About Roughfruit Scaleseed
- All About Bristly Scaleseed
- All About Apium Echinatum (Nutt. Ex DC.) Benth. & Hook. F. Ex S. Wats.
- All About Hawai'i Scaleseed
- All About Red River Scaleseed
- All About Apiastrum Patens (Nutt.) C. & R.
- All About Spermolepis Patens (Nutt. Ex DC.) B.L. Robins.
- All About Globemallow
- All About Slender False Buttonweed
- All About Spermacoce Riparia Cham. & Schlecht.
- All About Everglade Eey False Buttonweed
- All About Borreria Terminalis Small
- All About Pineland False Buttonweed
- All About Shrubby False Buttonweed
- All About Borreria Verticillata (L.) G.F.W. Mey.
- All About Scaleseed
- All About Spermacoce Keyensis Small
- All About Spermacoce Tenuior L. Var. Floridana (Urban) R.W. Long
- All About Smooth False Buttonweed
- All About Prostrate False Buttonweed
- All About Borreria Ocymoides Auct. Non (Burm. F.) DC. [misapplied]
- All About Spermacoce Ocymoides Auct. Non Burm. F. [misapplied]
- All About Spermacoce Repens Auct. Non (DC.) Sessé & Moc. [misapplied]
- All About Borreria Laevis Auct. Non (Lam.) Griseb. [misapplied]
- All About Spermacoce Suffrutescens Jacq.