Fr: isoète à spores épineuses
Provincial Status: LN
Range: Boreal NA; thr. Nfld., N to nLab.; aq.
[=Isoetes muricata Durieu (basionym)]
[=Isoetes ambigua A.Braun ex Engelm., nom. inval.]
[=Isoetes braunii Durieu 1864, nom. illeg. hom., non (Unger) Heer 1954]
[=Isoetes echinospora Durieu forma bootii (Engelm.) Clute]
[=Isoetes echinospora Durieu subsp. braunii (Engelm.) Piper & Beattie]
[=Isoetes echinospora Durieu var. bootii Engelm.]
[=Isoetes echinospora Durieu var. braunii Engelm.]
[=Isoetes echinospora Durieu var. muricata (Durieu) Engelm.]
[=Isoetes echinospora Durieu var. savilei B.Boivin]
[=Isoetes muricata Durieu var. braunii (Engelm.) C.F.Reed]
[=Isoetes setacea Lam. subsp. muricata (Durieu) Holub]
[=Isoetes tenella auct. non Léman ex Desv.]
[=Isoetes tenella Léman ex Desv. var. braunii (Engelm.) Rothm.]
[Recently, Isoetes muricata was included in synonymy under Isoetes echinospora, but the typical subspecies [subsp. echinospora] is now considered to be strictly Old World in distribution, with North American plants represented by subsp. muricata (D. Brunton, pers. comm., Dec. 2016).]