Michx.
Identity
Unique IDELEMENT_GLOBAL.2.129982
Element CodePDSAL020Z0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderSalicales
FamilySalicaceae
GenusSalix
SynonymsSalix cordata var. abrasaFern.
Other Common NamesCottony Willow (EN) Missouri River Willow (EN) Missouri River willow (EN) Saule à feuilles cordées (FR)
Concept ReferenceKartesz, 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.
Conservation Status
Rank Method Rank calculation - Excel v3.2x
Review Date2024-08-30
Change Date1988-08-06
Edition Date2024-08-30
Edition AuthorsNordman, C. (2024).
Threat ImpactLow
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences> 300
Rank ReasonsHeartleaf Willow (Salix eriocephala) occurs in northern North America, in Canada and the United States, it ranges in Canada from Newfoundland to the James Bay region of northern Ontario, west to southern Manitoba, and in the United States from Maine south to northern Florida, and west to Colorado, the Dakotas, and Montana. There are estimated to be more than 1100 occurrences rangewide. Threats to Heartleaf Willow include the loss of habitat due to conversion of natural wetlands for development or agriculture, water management and impoundment with dams.
Range Extent CommentsHeartleaf Willow (Salix eriocephala) occurs in northern North America, in Canada and the United States, it ranges in Canada from Newfoundland to the James Bay region of northern Ontario, west to southern Manitoba, and in the United States from Maine south to northern Florida, and west to Colorado, the Dakotas, and Montana. Range extent was estimated to be 7.0 million square kilometers, using herbarium specimens and photo-based observations documented between 1993 and 2024 (FNA 2010, GBIF 2024, iNaturalist 2024, POWO 2024).
Occurrences CommentsBy applying a 1 km separation distance to herbarium records and photo-based observations documented between 1993 and 2024, there are estimated to be more than 1100 occurrences of Heartleaf Willow rangewide (GBIF 2024, iNaturalist 2024).
Threat Impact CommentsThreats to Heartleaf Willow include the loss of habitat due to conversion of natural wetlands for development or agriculture, water management and impoundment with dams.