Status: Native
Synonyms:
Hypnum cavifolium Bridel
Plagiothecium cavifolium is a complanate, pleurocarpous moss with nearly symmetrical leaves. There are no papillae present and the costa, while variable, is usually short and double. The leaves are decurrent. The cells of the decurrency are not particularly inflated. The leaf margins are plane. There commonly are cylindrical gemmae in some of the leaf axils.
Many thanks to the University of Colorado Herbarium (COLO), Erin Tripp & Dina Clark for loaning us this specimen for photography.
Please click on an image for a larger file.
Plagiothecium cavifolium, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, habit, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of single complanate stem, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, dark field photomicrograph of single complanate stem, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of leaf, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of leaf, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of leaf apex, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of leaf base, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of cells at mid lamina, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of capsule, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of axillary gemmae in leaf axil, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
Plagiothecium cavifolium, photomicrograph of gemma, collection and ID by H. Crum, Canada, Ontario, Grey County, gorge below Eugenia Falls, on humus overhanging limestone boulder, August 19, 1961; photos by Russ Kleinman & Karen Blisard, June 4, 2023
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