As classified in WFO snapshot
June 2024
Warning: older classification
variety
Juncus scirpoides var. polycephalus
(Michx.) Engelm.
This variety name was first published in Herb. Junc. Bor.-Amer. Norm. : 69 (1868)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .