Collins, Holden & Setchell, Phycoth. Bor.-Amer.Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]
Field Museum of Natural History
F. S. Collins #s.n. 00 July 1896
Ptilota pectinata (Gunnerus) Kjellman
United States, Maine, Cumberland, Washed ashore, Eagle Island, Penobscot Bay
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University Herbarium, University of California, Berkeley
F. S. Collins #s.n. 00 July 1896
Ptilota serrata Kützing
United States, Maine, Hancock, Eagle Island, Penobscot Bay, Maine
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University of Michigan
F.S. Collins #s.n. 00 July 1896
Ptilota pectinata (Gunnerus) Kjellman
United States, Maine, Hancock, Eagle Island, Penobscot Bay
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University of Michigan
F.S. Collins #s.n. 00 July 1896
Ptilota serrata Kützing
United States, Maine, Hancock, Eagle Island, Penobscot Bay
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Michigan State University Algae
F.S. Collins #s.n. 00 July 1896
Ptilota serrata Kützing
United States, Maine, Cumberland, Eagle Island, Penobscot Bay
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