$modus 0: smartphone
$modus 1: smartphone
Pycnanthemum tenuifolium
Pycnanthemum tenuifolium Schrader [Accepted]
Labiatae Nepetoideae Mentheae Menthinae
2 855389 Pycnanthemum tenuifolium Schrader
H.A. Schrader, Hort. Gott.: t. 4 (1809) [n.a.]
Pycnanthemum tenuifolium Schrader
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 670 d,e (1972) [V. Frazier]