TaxonRemarks USFS has ''C. s. ssp. laxa'', but FNA indicates subspecies no longer considered valid taxa. FNA indicates this species may hybridize with [[Carex utriculata|''C. utriculata'']].
From Natural History of Southeast Alaska
A list of all pages that have property "TaxonRemarks" with value "USFS has ''C. s. ssp. laxa'', but FNA indicates subspecies no longer considered valid taxa.
FNA indicates this species may hybridize with [[Carex utriculata|''C. utriculata'']]."
