plant's common name (species for which larval host)
ash, Texas Prickly (giant swallow-tail butterfly)
asters (Silvery Checkerspot and Pearl Crescent)
bee balm (spice bush swallowtail)
bergamot (moths, including the Hermit Sphinx moth, Orange Mint moth, and Raspberry Pyrausta)
black-eyed susan, Rudbekia hirta (Silvery Checkerspot, as well as 14 other Lepidoptera, including the super cool looking Wavy-Lined Emerald Camouflaged Looper.)
coneflower, yellow (Silvery Checkerspot butterfly, Wavy-lined Emerald moth)
coreopsis (larval host plants for certain butterflies and moths, including the Silvery Checkerspot and American Snout)
goldenrod (large number of butterfly and moth species. For example, Old Field Goldenrod supports 135 species. )
grass
passion vine blue  (gulf fritillary, variegated fritillary)
passion vine purple  and zebra longwing caterpillars)
penstemon ( Dotted Checkerspot butterfly)
phlox (Phlox Moth and 7 other butterfly and moth species)
sunflowers spring 
sunflowers fall
sunflowers, narrow-leaf (Bordered Patch)
sunflowers, Maximillian (Silvery Checkerspot,  Bordered Patch)
yarrow (painted Lady butterfly)
zinnias