| Plant tribes (So - St) | 
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|  |  | Orchidales > Orchidineae > Orchidaceae |  | 
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| showy chalice vine, solandra |  | Solanales > Solanineae > Solanaceae |  | 
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| cockroach berry, erubia, false Jerusalem cherry, gilo, horse nettle, horsenettle, marron bacoba, nightshade, wonderberry |  | Solanineae > Solanaceae > Solanoideae |  | 
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|  |  | Burserales > Anacardiineae > Anacardiaceae |  | 
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|  |  | Lamianae > Lamiales > Gesneriaceae |  | 
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|  |  | Myrtanae > Myrtales > Melastomataceae |  | 
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|  |  | Myrtanae > Myrtales > Lythraceae |  | 
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| Japanese pagoda tree, mescal bean, necklacepod, scholar tree, silky sophora |  | Fabales > Fabaceae > Sophoroideae |  | 
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| Finnish whitebeam, mountain ash, rowan tree |  | Rosales > Rosineae > Rosaceae |  | 
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|  |  | Urticanae > Urticales > Moraceae |  | 
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|  |  | Rutanae > Rutales > Simaroubaceae |  | 
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|  |  | Orchidineae > Orchidaceae > Boryaceae |  | 
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|  |  | Aralianae > Araliales > Apiaceae |  | 
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| bur-reed |  | Typhales > Sparganiaceae > Sparganioideae |  | 
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| cordgrass |  | Juncanae > Poales > Poaceae |  | 
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|  |  | Commelinanae > Xyridales > Rapateaceae |  | 
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|  |  | Rutales > Rutaceae > Spathelioideae |  | 
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|  |  | Aranae > Arales > Araceae |  | 
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|  |  | Aranae > Arales > Araceae |  | 
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| sandspurry |  | Caryophyllales > Caryophyllineae > Caryophyllaceae |  | 
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| spurry |  | Caryophyllineae > Caryophyllaceae > Sperguloideae |  | 
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| false buttonweed |  | Rubiineae > Rubiaceae > Spermacocoideae |  | 
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|  |  | Malvanae > Malvales > Sphaerosepalaceae |  | 
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|  |  | Cucurbitales > Cucurbitineae > Cucurbitaceae |  | 
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| chickenspike, sphenoclea |  | Campanulineae > Sphenocleaceae > Sphenocleoideae |  | 
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| Indian pink, pinkroot |  | Gentianales > Strychnaceae > Spigelioideae |  | 
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| spinach |  | Caryophyllales > Chenopodiaceae > Spinacioideae |  | 
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|  |  | Juncanae > Poales > Poaceae |  | 
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| Japanese spiraea, meadowsweet, spirea, steeplebush |  | Rosineae > Rosaceae > Spiraeoideae |  | 
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| imbu, mombin, otaheite apple, plum |  | Anacardiineae > Anacardiaceae > Spondiadoideae |  | 
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| His Excellency's supreme reflection, betony, big-sage, hedge nettle, hedgenettle, lamb's ears, mousesear, staggerweed, wood mint |  | Lamiineae > Lamiaceae > Stachydoideae |  | 
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|  |  | Celastrales > Stackhousiaceae > Stackhousioideae |  | 
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|  |  | Cycadidae > Cycadales > Stangeriaceae |  | 
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| Zulu giant, stapelia |  | Apocynales > Apocynaceae > Stapelioideae |  | 
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| bladdernut |  | Sapindales > Staphyleaceae > Staphyleoideae |  | 
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|  |  | Plumbaginales > Plumbaginaceae > Staticoideae |  | 
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|  |  | Arales > Araceae > Staurostigmatoideae |  | 
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| Cuban tangle, stegnosperma |  | Caryophyllanae > Caryophyllales > Stegnospermataceae |  | 
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| addersmeat, chickweed, starwort |  | Caryophyllineae > Caryophyllaceae > Stellarioideae |  | 
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|  |  | Lilianae > Dioscoreales > Stemonaceae |  | 
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|  |  | Aquifoliales > Icacinineae > Icacinaceae |  | 
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|  |  | Ericales > Ericineae > Ericaceae |  | 
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|  |  | Orchidales > Orchidineae > Orchidaceae |  | 
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|  |  | Lilianae > Dioscoreales > Stenomeridaceae |  | 
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| Panama tree, sterculia |  | Malvineae > Sterculiaceae > Sterculioideae |  | 
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|  |  | Aranae > Arales > Araceae |  | 
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| candyleaf |  | Asteranae > Asterales > Asteraceae |  | 
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|  |  | Asteranae > Asterales > Asteraceae |  | 
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|  |  | Lamiales > Stilbaceae > Stilboideae |  | 
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| esparto, needle-and-thread, needlegrass, porcupine grass |  | Poales > Poaceae > Stipoideae |  | 
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|  |  | Gentiananae > Apocynales > Apocynaceae |  | 
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|  |  | Proteanae > Proteales > Proteaceae |  | 
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|  |  | Solanales > Solanineae > Solanaceae |  | 
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| water soldiers |  | Hydrocharitales > Hydrocharitaceae > Stratiotoideae |  | 
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| Hawai'i roughbush, streblus |  | Urticanae > Urticales > Moraceae |  | 
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|  |  | Lamianae > Lamiales > Gesneriaceae |  | 
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| twistedstalk |  | Lilianae > Asparagales > Convallariaceae |  | 
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|  |  | Lamiales > Acanthineae > Acanthaceae |  | 
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|  |  | Lilianae > Amaryllidales > Amaryllidaceae |  | 
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| Natal orange, nux vomica, strychnine, strychnine tree, strychnos |  | Gentianales > Strychnaceae > Strychnoideae |  | 
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|  |  | Stylidiales > Stylidiaceae > Stylidoideae |  | 
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|  |  | Juglandanae > Corylales > Stylocerataceae |  | 
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|  |  | Aranae > Arales > Araceae |  | 
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| styphelia |  | Ericineae > Ericaceae > Styphelioideae |  | 
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| Siam benzoin, benzoin gum, snowbell, storax, styrax |  | Styracales > Styracaceae > Styracoideae |  |