return to: checklist; keys
Asteraceae
Bidens ocymifolia
Bidens pilosa
Calea jamaicensis
Calea ternifolia
Calea urticifolia
Chromolaena odorata
Conyza canadensis var. pusilla
Delilia biflora
Isocarpha
oppositifolia ssp achyranthes
Lactuca sativa
Lagascea mollis
Melanthera aspera see Melanthera
nivea
Melanthera angustifolia see Melanthera
nivea
Melanthera nivea
Montanoa atriplicifolia
Otopappus scaber
Parthenium
hysterophorus
Plagiolophus
millspaughii
Pluchea carolinensis
Pluchea symphytifolia see Pluchea
carolinensis
Porophyllum
punctatum
Spiracantha
cornifolia
Synedrella nodiflora
Tridax procumbens
Viguiera dentata
Wedelia trilobata