Ageratina altissima


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Related to Ageratina altissima: Eupatorium rugosum, white snakeroot
  • noun

Synonyms for Ageratina altissima

American herb having flat-topped clusters of small white flower heads

References in periodicals archive ?
Herbaceous plants occurring beneath these taller trees are Ageratina altissima, Cinna arundinacea, Dichanthelium clandestinum, Elymus virginicus, Galium aparine, Geum canadense, Muhlenbergia schreberi, Poa trivialis, Rubus occidentalis, Sanicula odorata, Stellaria media, Symphyotrichum lateriflorum, and Verbesina alternifolia.
1 Muhlenberegia sobolifera -- -- -- Desmodium glutinosum -- -- -- Aster anomalus -- -- -- Phlox divaricata -- -- -- Bromus pubescens -- -- -- Festuca subverticillata -- -- -- Sanicula canadensis -- -- -- Amphicarpaea bracteata -- -- -- Ageratina altissima -- -- -- Tradescantia ohiensis -- -- -- Lactuca canadensis -- -- -- Geum canadense -- -- -- Lespedeza intermedia -- -- -- Others -- 0.
Mid-summer to fall flowering forbs include Ageratina altissima, Agrimonia pubescens, Campanulastrum americanum, Cryptotaenia canadensis, Eupatoriadelphus purpureus, Helianthus decapetalus, Heliopsis helianthoides, Polymnia canadensis, Sanicula odorata, Solidago caesia, Symphyotrichum cordifolium, and S.