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| | University of Wisconsin-Madison (WIS) Herbarium |
 | | Quercus borealis, Q. alba, Acer saccharum, Tilia americana, Gleditsia triacanthos, Morus rubra, Dirca palustris, Laportea canadensis, Hydrophyllum appendiculatium, |
 | | In Quercus borealis, Q. alba, Acer rubrum, A. saccharium, Tilia americana, Fraxinus americana forest. |
 | | With: Acer saccharum, Tilia americana, Quercus borealis, Q. alba, Populus grandidentata, Fraximus americana, Viburnum acerifolium, etc. |
| www.botany.wisc.edu /Orchids/herbarium/Triphora.html (266 words) |
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