Rhizomnium magnifolium

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Rhizomnium magnifolium: for more photos, see Sitka Nature Photo Gallery for Rhizomnium magnifolium
Rhizomnium magnifolium: Stems have abundant brownish rhizoids.

Local Notes

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  • FNA page for Rhizomnium magnifolium Rhizomnium magnifolium, although usually large, can sometimes be small and has been confused with R. pseudopunctatum. Fertile plants of R. pseudopunctatum are synoicous, but sterile collections are common and often ambiguous. Rhizomnium magnifolium has larger and much less pitted laminal cells than R. pseudopunctatum, and its margins are composed mainly of linear cells and are usually 2-stratose; those of R. pseudopunctatum are composed of shorter and usually rectangular or rhomboidal cells and are always 1-stratose. The length of the costa is frequently used to separate these two species, but this character is unreliable with smaller specimens of R. magnifolium. The costa of R. magnifolium is often subpercurrent or percurrent, whereas the costa of R. pseudopunctatum is usually much shorter, and only occasionally subpercurrent and rarely percurrent.

Other References

Worley's Map of Collection Records for Rhizomnium perssonii

Ian Worley
[as Rhizomnium perssonii]
Southeastern Alaska Distribution: Not reported from the southern portion of the district, but to be expected throughout.
Habitat: From rich seepy sites either in forest shade or in sunny places. From sea level to middle forest elevations.
Comments: Sometimes with sporophytes. Not seen with capsules in southeastern Alaska.

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