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