Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
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Transcription
No. 1976. 20 c. Rockaway.
Iraceralium farns Ehr.
No. 1977. 20 d. Rockaway
N. Baltica
N. Sigma:
Mastodiscus radiatus.
No. 1978. 20 e. Rockaway.
Amphiprora carinata.
Navicula Baltica