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Kingdom Plantae |
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Besleria mortoniana Steyerm. – accepted
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Croton deserticola Steyerm. – accepted
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Croton guaiquinimae Steyerm. – accepted
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Croton huberi Steyerm. – accepted
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Croton inaequilobus Steyerm. – accepted
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Croton roraimensis var. subinteger Steyerm. – not accepted
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Croton standleyi Steyerm. – not accepted
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Croton sucrensis Steyerm. – accepted
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Croton turumiquirensis Steyerm. – accepted
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Echinacea purpurea var. arkansana Steyerm. – not accepted
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Euphorbia latazi var. glabra Steyerm. – not accepted
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Euphorbia machrisiae Steyerm. – accepted
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Grindelia acutifolia Steyerm. – not accepted – sharpleaf gumweed
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Grindelia arenicola Steyerm. – not accepted
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Grindelia arizonica var. dentata Steyerm. – not accepted
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Grindelia arizonica var. microphylla Steyerm. – not accepted
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Grindelia arizonica var. stenophylla Steyerm. – not accepted – Arizona gumweed
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Grindelia camporum var. parviflora Steyerm. – not accepted
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Grindelia havardii Steyerm. – accepted – Havard's gumweed
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Grindelia howellii Steyerm. – accepted – Howell's gumweed
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Grindelia inornata var. angusta Steyerm. – not accepted – Colorado gumweed
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Grindelia littoralis Steyerm. – not accepted
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Grindelia microcephala var. adenodonta Steyerm. – not accepted
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Grindelia microcephala var. pusilla Steyerm. – not accepted
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Grindelia revoluta Steyerm. – not accepted – rolled gumweed
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Laphamia quinqueflora Steyerm. – not accepted
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Menodora decemfida var. longifolia Steyerm. – not accepted – tenfinger menodora
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Menodora scabra var. longituba Steyerm. – not accepted
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Menodora scabra var. ramosissima Steyerm. – not accepted
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Menodora spinescens var. mohavensis Steyerm. – not accepted
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Polygala rimulicola Steyerm. – not accepted – Steyermark's milkwort
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Polygala rimulicola var. rimulicola Steyerm. – not accepted – Steyermark's milkwort
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Schradera vahlii Steyerm. – not accepted
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Silphium terebinthinaceum var. luciae-brauniae Steyerm. – not accepted – Lucy Braun's rosinweed
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Valeriana texana Steyerm. – accepted – Guadalupe valerian |
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