Ambrosia bidentata Michx. (original description)
Aster cordifolius Michx. (original description)
Aster subulatus Michx. (original description)
Aster tradescanti Michx. (original description)
Baccharis angustifolia Michx. (original description)
Cirsium horridulum Michx. (original description)
Cirsium muticum Michx. (original description)
Cirsium repandum Michx. (original description)
Cirsium virginianum (L.) Michx. (original description)
Coreopsis lanceolata var. villosa Michx. (original description)
Coreopsis verticillata var. linearis Michx. (original description)
Coreopsis verticillata var. tenuifolia Michx. (original description)
Erigeron hyssopifolius Michx. (original description)
Erigeron pulchellus Michx. (original description)
Eupatorium serotinum Michx. (original description)
Gnaphalium polycephalum Michx. (original description)
Helianthus atrorubens Michx. (original description)
Helianthus canescens Michx. (original description)
Helianthus divaricatus Michx. (original description)
Helianthus gigas Michx. (original description)
Hieracium canadense Michx. (original description)
Hieracium gronovii var. nudicaule Michx. (original description)
Iva annua Michx. (original description)
Lactuca graminifolia Michx. (original description)
Lactuca longifolia Michx. (original description)
Liatris aspera Michx. (original description)
Liatris cylindracea Michx. (original description)
Liatris macrostachya Michx. (original description)
Liatris pycnostachya Michx. (original description)
Liatris sphaeroides Michx. (original description)
Liatris squarrulosa Michx. (original description)
Persoonia Michx. accepted as Marshallia Schreb. (original description)
Persoonia lanceolata Michx. accepted as Marshallia obovata (Walter) Beadle & F.E.Boynton (original description)
Rudbeckia chrysomela Michx. (original description)
Silphium compositum Michx. (original description)
Silphium integrifolium Michx. (original description)
Silphium ternifolium Michx. (original description)
Solidago glomerata Michx. (original description)
Solidago lanceolata Michx. (original description)
Solidago odora Michx. (original description)
Solidago retrorsa Michx. (original description)
Solidago sempervirens Michx. (original description)
Solidago virgata Michx. (original description)
Sonchus floridanus Michx. (original description)
Spilanthes repens Michx. (original description)
Verbesina coreopsis Michx. (original description)
Verbesina coreopsis var. alba Michx. (original description)
Verbesina coreopsis var. lutea Michx. (original description)
Verbesina siegesbeckia Michx. (original description)
Vernonia angustifolia Michx. (original description)
Vernonia fasciculata Michx. (original description)