Thin Macewort

Mannia gracilis (Asterella gracilis)

General Status Rank: 
Undetermined
Common Name: 
Thin Macewort
Scientific Name: 
Mannia gracilis (Asterella gracilis)
Synonyms: 
Asterella gracilis
Asterella ludwigii
Fimbriaria gracilis
Mannia gracilis
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Taxonomy
Group: 
Bryophyte (Liverwort)
Kingdom: 
Plantae
Phylum: 
Marchantiophyta
Class: 
Marchantiopsida
Order: 
Marchantiales
Family: 
Aytoniaceae
References: 
A372
Habitat
Ley: damp ground at higher elevations, commonly on soil over calcareous rocks
References: 
H252
Distribution

Distribution

Damsholt: subarctic-alpine; Ley: holarctic, rare arctic-alpine element, more common in w N.Am.
References: 
H252

Number of Occurrences

no NT locations in GBIF, not present in NT according To BFNA; but one site at UBC: Mackenzie District: lake close to South Nahanni River, on West side of lake and around tarn basin to the West Logan Mountains 1978; Known from a single locality in southwestern NT (UBC). No literature citations, however see Schill et al. (2010) for taxonomy discussions. Uncommon throughout its Canadian range. (H291)

Area of Occupancy

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Known from a single locality in southwestern NT (UBC). No literature citations, however see Schill et al. (2010) for taxonomy discussions. Uncommon throughout its Canadian range.
S Rank: 
SU
Decision Process Description: 
Draft rank by M Anions (2011) ; 2014
Last Updated: 
November 12, 2014

References

Habitat

  • Anions M (2011) General Status Hornworts & Liverworts Final Review. E-mail with Excel attachment Sent to S Carriere Wed 09/03/2011 10:04 Printed in binder - H252 Return

Range Extent

  • Anions M (2011) General Status Hornworts & Liverworts Final Review. E-mail with Excel attachment Sent to S Carriere Wed 09/03/2011 10:04 Printed in binder - H252 Return

Taxonomy

  • Schill, D.B., D.G. Long & L.L. Forrest (2010) A molecular phylogenetic study of Mannia (Marchantiophyta, Aytoniaceae) using chloroplast and nuclear markers.. The Bryologist 113: 164-179. - A372 Return