Status: Native
Synonyms:
Bryum caespiticeum Hedwig
Bryum submuticum Philib.
Gemmabryum caespiticium is a dioicious acrocarpous moss lacking axillary bulbils, but sometimes having rhizoidal tubers. The leaves have a well-developed limbidium and an excurrent
costa. The plants are small and have inflated subalar cells on fertile stems.
Many thanks to Dr. James Mickley and the Oregan State University Herbarium for the loan of
this specimen!
Please click on an image for a larger file.
Gemmabryum caespiticium, collection and ID by John Spence, Washington State, Okanogan County, N of Twisp, in parking lot beside Methow River, September 21, 1983; photo by photo Russ Kleinman & Karen Blisard, May 15, 2026
Gemmabryum caespiticium, photomicrograph of leaf, collection and ID by John Spence, Washington State, Okanogan County, N of Twisp, in parking lot beside Methow River, September 21, 1983; photo by photo Russ Kleinman & Karen Blisard, May 15, 2026
Gemmabryum caespiticium, photomicrograph of sporophyte, collection and ID by John Spence, Washington State, Okanogan County, N of Twisp, in parking lot beside Methow River, September 21, 1983; photo by photo Russ Kleinman & Karen Blisard, May 15, 2026
Gemmabryum caespiticium, photomicrograph of exostome teeth, collection and ID by John Spence, Washington State, Okanogan County, N of Twisp, in parking lot beside Methow River, September 21, 1983; photo by photo Russ Kleinman & Karen Blisard, May 15, 2026
Gemmabryum caespiticium, photomicrograph of endostome teeth (exostome removed), collection and ID by John Spence, Washington State, Okanogan County, N of Twisp, in parking lot beside Methow River, September 21, 1983; photo by photo Russ Kleinman & Karen Blisard, May 15, 2026
Gemmabryum caespiticium, photomicrograph of peristome, collection and ID by John Spence, Washington State, Okanogan County, N of Twisp, in parking lot beside Methow River, September 21, 1983; photo by photo Russ Kleinman & Karen Blisard, May 15, 2026
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