Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Ptychostomum creberrimum (Taylor) J.R. Spence & H.P. Ramsay
Family: Bryaceae
Status: Native
Synonyms:
Bryum creberrimum Taylor
Ptychostomum creberrimum is common but has no single, unique identifying feature.
Characters that can help figure this one out include its comose young stems and a yellowish limbidium.
The spores are relatively small at 10-18µm.
Many thanks to the University of Colorado Herbarium (COLO), Erin Tripp, and Dina Clark for permitting us to
photograph this specimen.
Please click on an image for a larger file.
Ptychostomum creberrimum, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, habit, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, vegetative stems, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, single comose stem, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of leaf, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of leaf base, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of leaf apex, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of cells at midleaf, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of top of comose stem, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of yellowish limbidium, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of capsule, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of spore, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
Ptychostomum creberrimum, photomicrograph of spore measured, collection by R.D. Worthington, Lincoln County, White Mtns.,
Eagle Creek on igneous rock, July 10, 2005 (ID as Ptychostomum creberrimum by W.A. Weber, 2006);
photos by Russ Kleinman, Kelly Allred, Karen Blisard, Stacey Anderson, and Ron Wittmann January 19, 2023
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