sedge (Cyperaceae spp., esp. members of genus Carex)
Carex alopecuroides var. chlorostachya (species of sedge)
cotton grass (Eriophorum vaginatum subsp. fauriei)
day lily (Hemerocallis dumortierii); orange-yellow day lily; Nikko day lily
nut grass (Cyperus rotundus)
lemon day-lily (Hemerocallis lilioasphodelus, formerly Hemerocallis flava); lemon lily; yellow day-lily
softstem bulrush (Scirpus tabernaemontani)