Alaska Arctic Plant Communities

7. Equisetum arvense-Cochlearia groenlandica

Photo A. <em>Cochlearia groenlandica</em>-<em>Ranunculus pygmaeus</em> community growing along Footprint Creek at Barrow, Alaska. Walker slide 74-46-15. D.A. Walker


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Photo B. Close up showing <em>Cochlearia groenlandica</em> and <em>Ranunculus pygmaeus</em> ssp. <em>sabinei</em>. Walker slide 74-46-16. D.A. Walker


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Bioclimate Subzone: C

Floristic Subprovince: Northern Alaska

Substrate Chemistry: Acidic

Position along mesotopographic gradient: Snowbed, late-melting

Summary of Habitat: Sandy riparian areas areas in subzone C

Described from:

 

Common plant functional types and species:

Grass: Phippsia algida; Alopecurus alpinus;

Forb: Cochlearia groenlandica; Cerastium jenisejense; Petasites frigidus; Ranunculus pygmaeus; Stellaria humifusa; Saxifraga rivularis;

Moss: Bryum sp.; Campylium stellatum; Drepanocladus spp.; Pogonatum alpinum; Sarmenthypnum sarmentosum;

Horsetail: Equisetum arvense;

 

General Comments:

 

Other names from the Alaska literature: