Phippsia algida - (Phipps) R. Br.
Ice Grass
Other English Common Names: Frigid Phippsia, Icegrass
Other Common Names: icegrass
Synonym(s): Phippsia algida ssp. algida
Taxonomic Status: Accepted
Related ITIS Name(s): Phippsia algida (Sol.) R. Br. (TSN 41059) ;Phippsia algida ssp. algida (Sol.) R. Br. (TSN 797419)
French Common Names: phippsie arctique
Unique Identifier: ELEMENT_GLOBAL.2.131896
Element Code: PMPOA4T010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Grass Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Poaceae Phippsia
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Concept Reference
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Concept Reference: 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.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Phippsia algida
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 02Aug2016
Global Status Last Changed: 05Aug1991
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N4 (08Mar2016)

U.S. & Canada State/Province Status
United States Alaska (S3S4), Colorado (S2), Montana (S2S3), Wyoming (S1)
Canada Alberta (SNR), British Columbia (S3?), Labrador (S3), Northwest Territories (SNR), Nunavut (S4), Quebec (S2S3), Yukon Territory (S3)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Circumpolar, south in N. America to AK, Que., and Lab., isolated in MT, WY, and CO. Disjunct.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Circumpolar, south in N. America to AK, Que., and Lab., isolated in MT, WY, and CO. Disjunct.

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AK, CO, MT, WY
Canada AB, BC, LB, NT, NU, QC, YT

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
CO Boulder (08013), Clear Creek (08019), Lake (08065)*, Park (08093), Summit (08117)
MT Carbon (30009), Stillwater (30095)
WY Fremont (56013), Park (56029), Sublette (56035)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
10 Stillwater (10070005)+, Clarks Fork Yellowstone (10070006)+, Upper Wind (10080001)+, South Platte Headwaters (10190001)+, Upper South Platte (10190002)+, Clear (10190004)+, St. Vrain (10190005)+
11 Arkansas Headwaters (11020001)+*
14 Blue (14010002)+, Upper Green (14040101)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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General Description: Ice Grass is a glabrous perennial with fibrous roots and densely tufted stems that are up to 7 cm high. The narrow leaves have a boat-shaped tip. The 1-flowered spikelets are borne in a narrow, terminal inflorescence that is ca. 1/3 the length of the stem. Each spikelet has 2 small glumes. The thin, 3-nerved lemma is ca. 1.5 mm long and is blunt with a short point. The palea is slightly smaller and has a shallowly-toothed margin.
Technical Description: From CNHP Wetland Guide 2012: Growth Habit: perennial, densely tufted. Culms: less than 10 cm tall, somewhat succulent, glabrous. Sheaths: loose, closed, smooth, glabrous. Ligules: 0.3-1.6 mm long, acute, entire. Blades: 0.6-2.8 cm long, 1.2-3 mm wide, less than 10 cm long, folded, tip prow-shaped. Inflorescence: panicle, narrow, 0.5-3.5 cm long; branches short, appressed or somewhat spreading at maturity, bearing few spikelets. Spikelets: 1-flowered, 1.4-1.8 mm long. Glumes: generally colorless if present. Lemmas: 1.3-1.8 mm long, indistinctly 3-nerved, keeled, apex minutely denticulate, broadly ovate. Paleas: glabrous, 1.1-1.3 mm long. Awns: none.
Diagnostic Characteristics: From CNHP Wetland Guide 2012: Main Characteristics:
·Diminutive grass with succulent stems
·Found only in alpine zone at edges of snowmelt areas

Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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Element Ecology & Life History Edition Date: 19Nov1994
Element Ecology & Life History Author(s): JM

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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