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Non-native Plant
Tanacetum vulgare
Non-native Plant
Stellaria media
Non-native Plant
Striga gesnerioides
Native Plant
Striga asiatica
Non-native Plant
Stratiotes aloides
Non-native Plant
Sparganium erectum
Non-native Plant
Spermacoce alata
Non-native Plant
Solanum viarum
Non-native Plant
Solanum torvum
Native Plant
Solidago sempervirens
Native Plant
Solanum carolinense
Non-native Plant
Sonchus arvensis
Native Plant
Silphium perfoliatum
Non-native Plant
Silybum marianum
