| mastocarpus papillatus s.l. clade 1 | | USA: Golden Gardens, Seattle, Washington | | 119395554 |
| mastocarpus papillatus s.l. clade 1 | | USA: Tongue Point, Clallam Co., Washington | | 119395555 |
| mastocarpus papillatus s.l. clade 1 | | USA: Birch Bay, Whatcom Co., Washington | | 119395557 |