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Keywords from Image Description:
FMIB Potamogeton crispus Potamogeton zosterifolius .jpeg check categories September Potamogeton crispus Potamogeton zosterifolius subterranean stem sprouting bur winter bud long section of winter bud winter bud sprouting Subject Potamogeton Tag Aquatic Botany Cite book Potamogetons in Relation to Pond Culture Moore