| isoetes echinospora | | canada: ontario, algoma dist., vicinity of michipicoten harbour, near wawa. | | 1331391605 |
| isoetes echinospora | | canada: ontario, renfrew co., brougham tp., black donald lake, at public boat launch 2 km w along road from black donald creek, n shore of lake | | 1331391406 |
| isoetes echinospora | | canada: ontario, thunder bay dist. nw corner of burchell l. | | 1331391396 |
| isoetes echinospora | | canada: ontario, thunder bay dist., burchell lake, nw corner | | 1331391310 |
| isoetes echinospora | | canada: ontario, caribou island, lake superior | | 1331391242 |