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5 results
  1. NLM Digital Collections - Botany of the northern and middle states, or, A description of the plants found in the United ... 
    Publication: Albany : Printed by Webster and Skinners ..., 1833
    resource.nlm.nih.gov/8813775
    ... various parts of the N. S. Jerusalem Artichoke. 37. HELIOPSIS. Pers. Involucre imbricate ; scales subovate, nearly equal. Rays ...
  2. NLM Digital Collections - The Portland catalogue of Maine plants, published by the Portland Society of Natural History, ... 
    Publication: Portland : Transcript Print, 1868
    resource.nlm.nih.gov/101207731
    ... Xanthium, Tourn. strumarium, L. 374 var. echinatum, Gray. Heliopsis, Persoon. 375 laevis, Pers. Rudbeokia, L. 376 laeiniata, ...