Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
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Richard and Teresa Ware rtw_convallaria_majalis_1
Similar to C. montana but raceme extends above middle of the lowest leaf, per Wildflowers of Tennessee.
JK Marlow jkm060521_176
May Macon County NC
Highlands Biological Station
Similar to C. montana but densely colonial, with smaller leaves (to 6" x 2"), per Wildflowers of Tennessee.