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Populus nigra var. thevestina (Dode) Bean (upright black poplar), leaves2004 – 2012
Hagstrom, John
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Nuphar advena (Aiton) W. T. Aiton (yellow pond-lily), flowers and leaves2004 – 2012
Hagstrom, John
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Nelumbo nucifera Gaertn. (sacred lotus), leaves, upper surface2004 – 2012
Hagstrom, John
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Mirabilis nyctaginea (Michx.) MacMill. (heartleaf four o'clock), flower2004 – 2012
Hagstrom, John
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Hibiscus moscheutos ‘Super Rose’ (Super Rose common rose-mallow), close-up of flower2004 – 2012
Hagstrom, John
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Populus heterophylla L. (swamp cottonwood), growth habit, winter tree form2004 – 2012
Franklin, Jeff
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Hibiscus ‘Sweet Caroline’ (Sweet Caroline hibiscus) PP7,608, flower and leaves2004 – 2012
Hagstrom, John
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Populus tremuloides Michx. (quaking aspen), growth habit, tree form2004 – 2012
Hagstrom, John
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Hibiscus syriacus L. (rose-of-sharon), growth habit, shrub form2004 – 2012
Hagstrom, John
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Parietaria pensylvanica Muhl. ex Willd. (Pennsylvania pellitory), growth habit2004 – 2012
Hagstrom, John