Physocarpus (ninebark) hydathode diagram. Lersten and Curtis. 1982. Can. J. Botany. 60: 850-855.
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| Curtis, Lersten, and Nowak 2002 rev. 2015 | |||||
Physocarpus (ninebark) hydathode diagram. Lersten and Curtis. 1982. Can. J. Botany. 60: 850-855. |
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