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| Kingdom Plantae |
| |
Acalypha ostryifolia Riddell – accepted – hophornbeam copperleaf, pineland threeseed mercury
|
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Amaranthus altissimus Riddell – not accepted
|
| |
Aster oolentangiensis Riddell – not accepted – skyblue aster
|
| |
Aster oolentangiensis var. oolentangiensis Riddell – not accepted – skyblue aster
|
| |
Dicliptera halei Riddell – not accepted
|
| |
Euphorbia herronii Riddell – not accepted
|
| |
Euphorbia maculata var. parvula Riddell – not accepted
|
| |
Helianthus occidentalis Riddell – accepted – fewleaf sunflower
|
| |
Helianthus occidentalis ssp. occidentalis Riddell – accepted – fewleaf sunflower
|
| |
Linum sucatum Riddell – not accepted
|
| |
Linum sulcatum Riddell – accepted – grooved yellow flax, grooved flax
|
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Linum sulcatum var. sulcatum Riddell – accepted – grooved flax, grooved yellow flax
|
| |
Scutellaria saxatilis Riddell – accepted – smooth rock skullcap
|
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Solidago ohioensis Riddell – accepted
|
| |
Stachys cordata Riddell – accepted – heartleaf hedgenettle
|
| |
Stachys glabra Riddell – not accepted
|
| |
Trillium nivale Riddell – accepted – snow trillium, dwarf white trillium, dwarf white wakerobin |
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