Hydrangea serratifolia is a species of climbing flowering plant in the family Hydrangeaceae. It is native to Chile and Argentina.Hydrangeas: a gardener's guide By Toni Lawson-Hall, Brian Rothera. Page 34. Timber Press, 2005. /
In its natural habitat, it is parasitized by the gall-forming fungus Austrobasidium pehueldeni.
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