Helianthus | Senna occidentalis | Platanus occidentalis | Helianthus petiolaris | Thuja occidentalis | Sarcoscypha occidentalis | Osmorhiza occidentalis | Linderiella occidentalis | Juniperus occidentalis | Euthamia occidentalis | Emblemariopsis occidentalis | Anemone occidentalis |
In cultivation the plant was able to parasitize Helianthus occidentalis and Rudbeckia fulgida and it was observed to connect to a grass, possibly Poa compressa, in the field.