Family | Scientific Name | Common Name | Habitat | Distribution | Image |
Lamiaceae | Pycnanthemum albescens | White Mountain-mint, White-leaved Mountain-mint | Bluff forests, hammocks, other open, mesic forests. | S. IL, MO, and se. KS south to GA, AL, MS, LA, and TX. Reported for NC by Small (as Koellia albescens), the basis of the report unknown to me. It is known from nc. GA (Jones & Coile 1988). | 
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Lamiaceae | Pycnanthemum beadlei | Beadle's Mountain-mint | Forests, woodland borders. | A Southern and Central Appalachian endemic: WV, sw. VA and ne. TN south to sw. NC, nw. SC, and n. GA. | 
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Lamiaceae | Pycnanthemum clinopodioides | | Forests, woodlands, woodland borders. | MA south to NC, SC, and TN, mostly on the Coastal Plain. | 
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Lamiaceae | Pycnanthemum curvipes | Tennessee Mountain-mint, Stone Mountain Mountain-mint | Dry rocky woodlands and rock outcrops (granite or mafic). | Sw. NC and se. TN south to nc. GA and n. AL; disjunct in nc. TN (Chester, Wofford, & Kral 1997) and wc. KY (where found in 2022 in Muhlenberg County, KY by Vanessa Voelker). | 
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Lamiaceae | Pycnanthemum flexuosum | Savanna Mint, Savanna Mountain-mint | Moist to wet pine savannas, pine flatwoods, pocosin margins, mountain bogs, seepage areas on low elevation granite domes. | Se. VA south to ne. FL, west to Panhandle FL and s. MS (Sorrie & LeBlond 2008) on the Coastal Plain; disjunct inland in bogs and rock outcrops of sw. NC with Coastal Plain affinities, and in sc. TN. | 
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Lamiaceae | Pycnanthemum floridanum | Florida Mountain-mint | Longleaf pine sandhills. | Se. GA south to n. peninsular FL and e. Panhandle FL. | 
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Lamiaceae | Pycnanthemum incanum var. incanum | | Forests and woodland borders. | VT west to s. OH and s. IL, south to nc. NC, w. NC, and nc. TN. | 
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Lamiaceae | Pycnanthemum incanum var. puberulum | | Forests and woodland borders. | WV and NC south to FL and AL. | 
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Lamiaceae | Pycnanthemum loomisii | Loomis's Mountain-mint | Forests and woodland borders. | VA west to IL, south to n. FL. | 
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Lamiaceae | Pycnanthemum monotrichum | | Sandy woodlands. | Allegedly endemic to se. VA | |
Lamiaceae | Pycnanthemum montanum | Appalachian Mountain-mint | Balds, soil islands on granitic domes, calcareous woodlands, woodlands, forests, and forest edges. | W. NC and e. TN to nw. SC and n. GA, a Southern Appalachian endemic. | 
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Lamiaceae | Pycnanthemum muticum var. 1 | | Bogs, wet meadows, moist to wet forests. | NH and MA south to NC and SC. | |
Lamiaceae | Pycnanthemum muticum var. muticum | | Bogs, wet meadows, moist to wet forests. | NJ and MO south to FL and LA. | |
Lamiaceae | Pycnanthemum nudum | Smooth Mountain-mint | Wet pine flatwoods. | Se. SC south to n. peninsular FL, Panhandle FL, and se. AL. Small (1933) attributes this species to NC; the documentation is unknown (and doubtful). | 
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Lamiaceae | Pycnanthemum pilosum | Hairy Mountain-mint | Upland woodlands. | S. ON west to MI and IA, south to TN, AR, and OK. In c. TN, and reported from a single county in e. TN (Chester, Wofford, & Kral 1997), in se. PA (Rhoads & Klein 1993), and WV (Kartesz 1999). | 
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Lamiaceae | Pycnanthemum pycnanthemoides var. pycnanthemoides | | Forests and woodland borders. | VA and IL south to w. SC and n. GA | 
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Lamiaceae | Pycnanthemum pycnanthemoides var. viridifolium | | Forests and woodland borders. | VA and WV south to ec. GA, AL, and Panhandle FL. | 
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Lamiaceae | Pycnanthemum setosum | Awned Mountain-mint | Loamy pine savannas, other dry to moist pinelands, hammocks, river bars, tidal swamps. | NJ south to ne. FL and Panhandle FL, on the Coastal Plain; not known from MS (Sorrie & LeBlond 2008). | 
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Lamiaceae | Pycnanthemum tenuifolium | Slender Mountain-mint | Bogs, wet meadows, moist to wet forests. | ME west to MN, KS, and OK, south to FL and TX. | 
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Lamiaceae | Pycnanthemum torreyi | Torrey's Mountain-mint | Dry rocky woodlands, over mafic, ultramafic, or calcareous rocks, dry powerline rights-of-way. | NH west to IL, south to NC and SC. | 
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Lamiaceae | Pycnanthemum verticillatum | Whorled Mountain-mint | Upland rocky woodlands. | VT west to MI, south to NC and KY. | 
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Lamiaceae | Pycnanthemum virginianum | Virginia Mountain-mint | Wet meadows, marshes, prairie sloughs, over calcareous or mafic rocks or sediments. | ME west to ND, south to NC, nw. GA, n. AL, and OK. | 
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