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Potamogeton crispus (31-32); Potamogeton zosterifolius (33-35). 1915. Potamogeton.

Image of pondweed

Description:

Potamogeton crispus (31-32); Potamogeton zosterifolius (33-35). 31, subterranean stem; 32, sprouting bur; 33, winter bud; 34, long section of winter bud; 35, winter bud sprouting

Source Information

license
cc-publicdomain
publisher
Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
provider
Freshwater and Marine Image Bank