| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Hymenopappus artemisiifolius var. artemisiifolius | Woolly-white | Sandy soils of pine and oak woodlands. | Sw. AR south to w. LA and e. TX. | |
| Asteraceae | Hymenopappus artemisiifolius var. riograndensis | Rio Grande Old Plainsman | Sandy-clay or gravelly soils. | S. TX. | |
| Asteraceae | Hymenopappus carrii | Bill Carr's Old Plainsman | Saline coastal prairies. | Endemic to se. TX (Matagorda and Refugio counties). | |
| Asteraceae | Hymenopappus carrizoanus | Carrizo Sands Woollywhite | Dry sands in oak woodlands and openings. | Endemic to the Carrizo Sands formation in e. TX. | |
| Asteraceae | Hymenopappus filifolius var. cinereus | On limestone. | C. OK, CO, and UT south to w. TX, NM, and AZ. | ||
| Asteraceae | Hymenopappus flavescens var. flavescens | Sandy soils. | C. OK, sw. KS, and sc. CO south to wc. TX and NM. | ||
| Asteraceae | Hymenopappus scabiosaeus var. corymbosus | Oklahoma Woollywhite | Grasslands and woodlands over calcareous substrates. | Se. NE south through KS and OK to se., s., and w. TX and Mexico (COA). | |
| Asteraceae | Hymenopappus scabiosaeus var. scabiosaeus | Old Plainsman, Southeastern Woollywhite | Longleaf pine sandhills and adjacent sandy fields, other open dry areas. | Sc. SC south to n. peninsular FL, west to AR, MO, and OK, and north in the interior to n. IN, c. and s. IL, and se. MO. |  |
| Asteraceae | Hymenopappus tenuifolius | Chalkhill Woollywhite | Sandy prairies, rocky hillsides over limestone. | SD and ne. WY south to TX and NM. |
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