NBN (data.nbn.org.uk) has a distribution map for Pontederia cordata (Pickerelweed) |
Handling & Magnification | Author | Year | Title | Source |
---|---|---|---|---|
() | Lansdown R.V. & Pankhurst T.J. | Field Guide to the Identification of Difficult Aquatic Plants of the New Forest |
Pontederia cordata (Pickerelweed) may also be included in identification literature listed under the following higher taxa:
Literature listed under the following higher taxa may be relevant to Pontederia cordata (Pickerelweed):
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