| heterobasidion irregulare x heterobasiodion occidentale | larix lyallii | USA: Bitterroot Mountains, Montana | Larix lyallii | 574588573 |
| heterobasidion irregulare x heterobasiodion occidentale | larix lyallii | USA: Bitterroot Mountains, Montana | Larix lyallii | 574588572 |
| heterobasidion irregulare x heterobasiodion occidentale | larix lyallii | USA: Bitterroot Mountains, Montana | Larix lyallii | 574588571 |
| heterobasidion irregulare x heterobasiodion occidentale | larix lyallii | USA: Bitterroot Mountains, Montana | Larix lyallii | 574588570 |
| heterobasidion irregulare x heterobasiodion occidentale | larix lyallii | USA: Bitterroot Mountains, Montana | Larix lyallii | 574588569 |