BISH 789566Botany

Phaeoceros carolinianus

Carolina hornwort

As recorded: Phaeoceros carolinianus (Michx.) Prosk.

Plantae › Anthocerotophyta › Anthocerotopsida › Notothyladales › Notothyladaceae

Collected by: Freire, A.V.; Judziewicz, E.J.; Pezzillo, Z.; Oppenheimer, H.L.A.V. Freire →E.J. Judziewicz →Hank L. Oppenheimer →Zach D. Pezzillo →
Collector number: 2023-99
Date: February 23, 2023
Locality: TNC Waikamoi Preserve, western fork of Honomanu Stream.
Island: Maui
Region: Hawaii, United States
Elevation: 1,938 m
Record type: Preserved specimen

39 Bishop specimens of Phaeoceros carolinianus · collected 1875–2025Species page ›

Collected the same day

On February 23, 2023, Freire, A.V.; Judziewicz, E.J.; Pezzillo, Z.; Oppenheimer, H.L. also collected 24+ other specimens.

Phaeoceros carolinianus observed alive in Hawaiʻi

This specimen was collected in 2023. Since 2000, iNaturalist observers have recorded 18 research-grade sightings in the wild, most recently on 2026-09-27.

2026-09-27

Round Top Dr, Honolulu, HI, US

(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)

2026-06-19

West Maui Forest Reserve, Wailuku, HI, US

(c) Wendy Fulks, some rights reserved (CC BY-NC)

2026-05-26

Haena, HI 96746, USA

(c) Matthew Gilbert Koons, some rights reserved (CC BY-ND)

2026-05-26

Haena, HI 96746, USA

(c) Matthew Gilbert Koons, some rights reserved (CC BY-ND)

2026-05-26

Kauai County, US-HI, US

(c) Matthew Gilbert Koons, some rights reserved (CC BY-ND)

2026-03-25

Makiki/Lower/ Punchbowl/Tantalus, Honolulu, HI, USA

(c) Hubert Szczygieł, some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Phaeoceros carolinianus. BISH 789566. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956301571. Accessed via explore.bishopmuseum.org/specimens/bish/789566.

Record sources

GBIF occurrence 5956301571 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026