| canada | british columbia | mastocarpus papillatus | species | 39 | 0 |
| canada | british columbia | mastocarpus papillatus s.l. clade 1 | species | 31 | 0 |
| canada | british columbia | mastocarpus papillatus s.l. clade 2 | species | 44 | 0 |
| canada | british columbia | mastocarpus papillatus s.l. clade 3 | species | 24 | 0 |
| canada | british columbia | mastocarpus papillatus s.l. clade 4 | species | 16 | 0 |
| canada | british columbia | mastocarpus papillatus s.l. clade 5 | species | 1 | 0 |
| united states | | mastocarpus papillatus | species | 4 | 0 |
| united states | alaska | mastocarpus papillatus | species | 1 | 0 |
| united states | alaska | mastocarpus papillatus s.l. clade 1 | species | 29 | 0 |
| united states | alaska | mastocarpus papillatus s.l. clade 5 | species | 3 | 0 |
| united states | california | mastocarpus papillatus | species | 3 | 0 |
| united states | california | mastocarpus papillatus s.l. clade 2 | species | 2 | 0 |
| united states | california | mastocarpus papillatus s.l. clade 3 | species | 2 | 0 |
| united states | california | mastocarpus papillatus s.l. clade 5 | species | 4 | 0 |
| united states | washington | mastocarpus papillatus s.l. clade 1 | species | 3 | 0 |
| united states | washington | mastocarpus papillatus s.l. clade 3 | species | 1 | 0 |