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Dictyota dichotoma

Forked ribbons

Photo: (c) sandrinelecomte13, some rights reserved (CC BY-NC) (iNaturalist)

90

Bishop specimens

0

Type specimens

1890

First collected

2001

Last collected

2026

Last seen alive in Hawaiʻi

Where Bishop collected it

12 mapped specimens. Localities of endangered species are shown approximately.

Two centuries of collecting

1890s2000s

The oldest Bishop specimen was collected in 1890 by Poularsky (Trieste, in the Adriatic). The Museum last collected it in 2001; iNaturalist observers have seen it in the wild as recently as October 23, 2026.

From the collection

Dictyota dichotoma, 556295Dictyota dichotoma, 691126Dictyota dichotoma, 556206Dictyota dichotoma, 556413Dictyota dichotoma, 556409Dictyota dichotoma, 556403Dictyota dichotoma, 556397Dictyota dichotoma, 691125Dictyota dichotoma, 556207Dictyota dichotoma, 556205Dictyota dichotoma, 556458Dictyota dichotoma, 556219

Alive today

1 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.