Difference between revisions of "Donrichardsia macroneuron"
Fieldiana, Bot., n. s. 1: 7. 1979.
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
| − | |name=Hygroamblystegium | + | |name=Hygroamblystegium macroneuron |
|authority=Grout | |authority=Grout | ||
|rank=species | |rank=species | ||
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|parent rank=genus | |parent rank=genus | ||
|synonyms=Eurhynchium macroneuron;Oxyrrhynchium macroneuron | |synonyms=Eurhynchium macroneuron;Oxyrrhynchium macroneuron | ||
| − | |basionyms=Hygroamblystegium | + | |basionyms=Hygroamblystegium macroneuron |
|family=Brachytheciaceae | |family=Brachytheciaceae | ||
|habitat=Rock, shallowly submerged in calcareous springs at base of limestone slopes in narrow canyons | |habitat=Rock, shallowly submerged in calcareous springs at base of limestone slopes in narrow canyons | ||
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|publication year=1979 | |publication year=1979 | ||
|special status=Endemic;Illustrated | |special status=Endemic;Illustrated | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V28/V28_677.xml |
|genus=Donrichardsia | |genus=Donrichardsia | ||
|species=Donrichardsia macroneuron | |species=Donrichardsia macroneuron | ||
Latest revision as of 19:29, 14 December 2022
Stems 5–14 cm, branches to 10 mm. Stem leaves 0.9–1.5(–1.8) × 0.4–0.8 mm; costa excurrent, percurrent, or ending 3–6 cells before apex, 1/5–1/2 leaf width, sometimes laterally spurred; alar cells almost undifferentiated; laminal cells partly 2–4-stratose, 30–65 × 6–9 µm; basal cells 7–10 µm wide. Branch leaves 1–1.5 × 0.1–0.8 mm.
Habitat: Rock, shallowly submerged in calcareous springs at base of limestone slopes in narrow canyons
Elevation: moderate elevations (600 m)
Discussion
The single known locality of Donrichardsia macroneuron is Seven Hundred Springs in Edwards County. This locality was described in detail by R. Wyatt and A. Stoneburner (1980), who also tried to find more localities in similar habitats nearby, but without success. Donrichardsia macroneuron has a very broad costa reminiscent of Hygroamblystegium noterophilum. The latter species has short, oblong-rhomboidal cells, never linear and flexuose.
Selected References
None.