Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Hygrohypnum bestii (Renauld & Bryhn) Holzinger

Family: Amblystegiaceae

Status: Native

Synonyms:
Hypnum molle subsp. bestii Renauld & Bryhn
Hygrohypnella bestii (Renauld & Bryhn) Ignatov & Ignatova
Limnobium bestii (Renauld & Bryhn) Holzinger

Hygrohypnum bestii has straight, short and squatty leaves that are less than 1.5x long as wide. The best character to use to separate this species from the many other similar members of Hygrohypnum is the length of the marginal laminal cells. They are so long, in fact, that it can be difficult to tell where they start and stop. They can be well over 100 microns long. Hygrohypnum bestii, like other members of the genus, is found in streams and wet seeps. It is known from one collection in New Mexico that was identified by Jamieson, who wrote the genus treatment for Flora of North America. The specimen photographed here was collected by W.R. Norris in Montana.

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Hygrohypnum bestii, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, macro of stems, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, macro of stems, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, photomicrograph of leaf, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, photomicrograph of leaf, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, photomicrograph of leaf apex, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, photomicrograph of leaf base, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, photomicrograph of very elongate marginal cell measured, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023

Hygrohypnum bestii, photomicrograph of very elongate marginal cell without measurement bar, collection and ID W.R. Norris, Montana, Glacier National Park, Grinnel Glacier Trail at very wet seep on open mountain side, August 9, 1993; photos Russ Kleinman & Karen Blisard, January 6, 2023
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