Pentagramma maxonii
(Weath.) Schuettp. & Windham
Desert Silverback Fern
Identity
Unique IDELEMENT_GLOBAL.2.1367685
Element CodePPADI0Q050
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumFilicinophyta
ClassFilicopsida
OrderFilicales
FamilyPteridaceae
GenusPentagramma
Concept ReferenceSchuettpelz, E., K.M. Pryer, and M.D. Windham. 2015. A unified approach to taxonomic delimitation in the fern genus Pentagramma (Pteridaceae).Systematic Botany 40(3): 629-644.
Taxonomic CommentsThis record is for the narrow concept of Pentagramma maxonii, excluding P. glanduloviscida, following Schuettpelz et al. (2015), who elevate infraspecific taxa of Pentagramma triangularis to the species level, newly combining P. triangularis ssp. maxonii as P. maxonii. In contrast, Kartesz (1994) recognizes a broader concept of P. maxonii (as P. triangularis ssp. maxonii), including P. glanduloviscida.
The circumscription of the genus with six species following Schuettpelz et al. (2015) and the generic placement of this taxon are in accordance with the Pteridophyte Phylogeny Group I (2016).
Other Nations (1)
United StatesNNR
| Province | Rank | Native |
|---|
| California | SNR | Yes |
| Arizona | SNR | Yes |
| New Mexico | SNR | Yes |
References (3)
- Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
- Pteridophyte Phylogeny Group I. 2016. A Community-Derived Classification for Extant Lycophytes and Ferns. Journal of Systematics and Evolution 54(6): 563–603.
- Schuettpelz, E., K.M. Pryer, and M.D. Windham. 2015. A unified approach to taxonomic delimitation in the fern genus <i>Pentagramma </i>(Pteridaceae).Systematic Botany 40(3): 629-644.