- PacNW Herbaria Records for Haplodontium macrocarpum
- Search Arctos Database for Haplodontium macrocarpum (Southeast only)
- Search Arctos Database for Haplodontium macrocarpum (entire database)
- Encyclopedia of Life search for Haplodontium macrocarpum
- iNaturalist Observations for Haplodontium macrocarpum in Southeast Alaska
[as Mielichhoferia macrocarpa]
Southeastern Alaska Distribution: New to the region: East side of Marble Mountain, opposite Drake Island, Glacier Bay, Worley 11248 (collected by F. M. Boas).
Habitat: The Glacier Bay plants were growing among the gravels of the upper shore. The species is elsewhere reported from rocks, at Amchitka also in a maritime situation.
Comments: Frequently with sporophytes.