Genus Calostoma ↗

Calostoma japonicum

13 field observations from iNaturalist.

Recent observations

Calostoma japonicum · July 2015 · photo: © austin0201 (iNaturalist, cc-by-nc)

Jul 11, 2015

© austin0201 (iNaturalist, cc-by-nc)

Calostoma japonicum · May 2016 · photo: © leaf0605 (iNaturalist, cc0)

May 12, 2016

© leaf0605 (iNaturalist, cc0)

Calostoma japonicum · August 2016 · photo: © atsushi_nakajima_cirque (iNaturalist, cc-by)

Aug 27, 2016

© atsushi_nakajima_cirque (iNaturalist, cc-by)

Calostoma japonicum · October 2023 · photo: © re_nebel (iNaturalist, cc-by)

Oct 28, 2023

© re_nebel (iNaturalist, cc-by)

Calostoma japonicum · November 2023 · photo: © re_nebel (iNaturalist, cc-by)

Nov 19, 2023

© re_nebel (iNaturalist, cc-by)

Calostoma japonicum · February 2024 · photo: © re_nebel (iNaturalist, cc-by)

Feb 24, 2024

© re_nebel (iNaturalist, cc-by)

Calostoma japonicum · February 2024 · photo: © re_nebel (iNaturalist, cc-by)

Feb 24, 2024

© re_nebel (iNaturalist, cc-by)

Calostoma japonicum · October 2024 · photo: © doju (iNaturalist, cc-by)

Oct 25, 2024

© doju (iNaturalist, cc-by)

Calostoma japonicum · November 2024 · photo: © maxo (iNaturalist, cc0)

Nov 14, 2024

© maxo (iNaturalist, cc0)

Calostoma japonicum · December 2024 · photo: © gustaf1 (iNaturalist, cc0)

Dec 20, 2024

© gustaf1 (iNaturalist, cc0)

Calostoma japonicum · December 2024 · photo: © gustaf1 (iNaturalist, cc0)

Dec 24, 2024

© gustaf1 (iNaturalist, cc0)

Calostoma japonicum · July 2025 · photo: © atsushi_nakajima_cirque (iNaturalist, cc-by)

Jul 19, 2025

© atsushi_nakajima_cirque (iNaturalist, cc-by)

Calostoma japonicum · November 2025 · photo: © hector_montero (iNaturalist, cc-by)

Nov 28, 2025

© hector_montero (iNaturalist, cc-by)

Found one in the wild?

Record a field slip with photos, habitat, and host tree — and Dr. MycoTek will help you confirm the ID.

Record an observation →