Status: Native
Synonyms:
None
Fabronia pusilla is a very small pleurocarpous moss with leaves less than 0.5mm long. The leaf edges are usually very coarsely toothed. Usually more than one tooth per leaf is made up of 2-5 cells, compared to the teeth of F. ciliaris which are only occasionally made up of 2 cells and are can be missing altogether. The laminal cells are usually elongate at midleaf. While F. ciliaris is very common in New Mexico, F. pusilla is only known at this time from one collection by Stephen Talbot from the Organ Mountains in 1980.
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Fabronia pusilla, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
Fabronia pusilla, dark field photomicrograph of closeup of stem, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
Fabronia pusilla, photomicrograph of closeup of stem, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
Fabronia pusilla, photomicrograph of leaf, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
Fabronia pusilla, photomicrograph of leaf, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
Fabronia pusilla, photomicrograph of multicellular teeth, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
Fabronia pusilla, photomicrograph of multicellular teeth, specimen collected and ID by Stephen Talbot, Doña Ana Cty., Aguirre Spring Recreation Site, Organ Mts, Pine Tree Trail, December 12, 1980; photo Russ Kleinman, Kelly Allred & Karen Blisard, December 30, 2022
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