| caenis youngi | | canada: alberta, jasper np, whistlers grp. cmpgrd., open field | | 343212300 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380254968 |
| caenis youngi | | canada: alberta, waterton, waterton lakes nat. park - maskinonge lake, lakeside meadow | | 380255588 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380255648 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380255942 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380256120 |
| caenis youngi | | canada: alberta, waterton, waterton lakes nat. park - maskinonge lake, lakeside meadow | | 380256366 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380256380 |
| caenis youngi | | canada: alberta, waterton, waterton lakes nat. park - maskinonge lake, lakeside meadow | | 380256438 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380256688 |
| caenis youngi | | canada: alberta, waterton lakes national park, maskinonge lake, marsh/meadow | | 290550219 |
| caenis youngi | | canada: alberta, waterton, waterton lakes nat. park - maskinonge lake, lakeside meadow | | 380256796 |
| caenis youngi | | canada: alberta, waterton, waterton lakes nat. park - maskinonge lake, lakeside meadow | | 380258164 |
| caenis youngi | | canada: alberta, banff, banff nat. park - johnson lake area, meadow, beside creek and lake | | 380258540 |