| Host | Arceuthobium | Reference | ||
|---|---|---|---|---|
| True firs | ||||
| Abies amabilis | A. laricis | Smith and Wass 1972b | ||
| A. tsugense subsp. tsugense (shore pine race) |
Smith 1974 | |||
| Abies concolor | A. campylopodum | Weir 1918a | ||
| Abies grandis | A. campylopodum | Weir 1918a | ||
| A. tsugense subsp. tsugense (shore pine race) |
Smith 1974 | |||
| Larches | ||||
| Larix decidua | A. laricis | Weir 1918a | ||
| Larix kaempferi | A. laricis | Weir 1918a | ||
| Larix occidentalis | A. campylopodum | Weir 1918a | ||
| A. tsugense subsp. tsugense (shore pine and western hemlock races) |
Smith 1970a | |||
| Spruces | ||||
| Picea abies | A. campylopodum | Weir 1918a | ||
| A. laricis | Hawksworth and Wiens 1972 | |||
| A. tsugense subsp. tsugense (western hemlock race) |
Smith 1965 | |||
| Picea glauca | A. laricis | Smith 1974 | ||
| A. tsugense subsp. tsugense (western hemlock race) |
Smith 1965 | |||
| A. tsugense subsp. tsugense (shore pine race) |
Smith 1974 | |||
| Picea engelmannii | A. tsugense subsp. tsugense (shore pine and western hemlock races) |
Smith 1970b | ||
| Pines | ||||
| Pinus banksiana | A. laricis | Graham 1959a | ||
| A. occidentale | Hedgcock and Hunt 1917 | |||
| Pinus bungeana | A. occidentale | Hedgcock and Hunt 1917 | ||
| Pinus caribaea | A. occidentale | Hedgcock and Hunt 1917 | ||
| Pinus contorta var. latifolia |
A. tsugense subsp. tsugense (shore pine and western hemlock races) |
Smith 1974 | ||
| Pinus flexilis | A. apachecum | Mathiasen 1978 | ||
| A. blumeri | Mathiasen 1978 | |||
| A. microcarpum | Mathiasen 1978 | |||
| Pinus mugo | A. americanum | Weir 1918a | ||
| A. campylopodum | Weir 1918a | |||
| Pinus palustris | A. occidentale | Hedgcock and Hunt 1917 | ||
| Pinus pinea | A. occidentale | Hedgcock and Hunt 1917 | ||
| Pinus ponderosa | A. laricis | Smith 1974 | ||
| A. tsugense subsp. tsugense (shore pine and western hemlock races) |
Smith and Craig 1968 | |||
| Pinus radiata | A. occidentale | Scharpf 1969a | ||
| A. tsugense subsp. tsugense (western hemlock race) |
Smith and Craig 1968 | |||
| Pinus resinosa | A. campylopodum | Weir 1918a | ||
| A. laricis | Hawksworth and Wiens 1972 | |||
| Pinus strobiformis | A. cyanocarpum | Hawksworth and Wiens 1972 | ||
| Pinus strobus | A. cyanocarpum | Hawksworth and Wiens 1972 | ||
| Pinus sylvestris | A. campylopodum | Weir 1918a | ||
| A. laricis | Graham and Leaphart 1961 | |||
| A. tsugense subsp. tsugense (western hemlock race) |
Smith and Craig 1968 | |||
| Pinus torreyana | A. occidentale | Kuijt 1960a | ||
| Pinus virginiana | A. occidentale | Hedgcock and Hunt 1917 | ||
| Douglas-fir | ||||
| Pseudotsuga menziesii | A. tsugense subsp. tsugense (shore pine and western hemlock races) |
Smith and Wass 1972a | ||
| Hemlocks | ||||
| Tsuga canadensis | A. tsugense subsp. tsugense (western hemlock race) |
Weir 1918a | ||