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Parietaria pensylvanica Muhl. ex Willd. (Pennsylvania pellitory), growth habit2004 – 2012
Hagstrom, John
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Populus maximowiczii Henry (Japanese poplar), close-up of leaves2004 – 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, flower2004 – 2012
Hagstrom, John
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Populus tremuloides Michx. (quaking aspen), branches, leaves2004 – 2012
Hagstrom, John
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Hibiscus syriacus L. (rose-of-sharon), close-up of leaves2004 – 2012
Hagstrom, John
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Hibiscus ‘Sweet Caroline’ (Sweet Caroline hibiscus) PP7,608, close-up of flower2004 – 2012
Franklin, Jeff
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Nymphaea odorata Aiton (fragrant water-lily), flowers and leaves2004 – 2012
Hagstrom, John