| mastocarpus papillatus s.l. clade 5 | | USA: Sedanka Point, Unalaska Island, Aleutian Islands, Alaska | | 119395577 |
| mastocarpus papillatus s.l. clade 5 | | USA: Perevalnie Passage, Shuyak Island, Alaska | | 119395578 |
| mastocarpus papillatus s.l. clade 5 | | USA: Kiukpalik Island, Katmai National Park, Alaska | | 119395579 |