TABLE 6.3–Host susceptibility of 85 taxa of North American Pinaceae to natural infection by Arceuthobium
| |
| Host |
Arceuthobium |
Susceptibility |
|
| True firs |
| |
| Abies amabilis |
A. abietinum f. sp. concoloris |
Rare |
|
A. douglasii |
Occasional |
|
A. tsugense subsp. tsugense |
Principal? |
|
A. tsugense subsp. mertensianae |
Principal |
| |
| Abies balsamea |
A. pusillum |
Rare |
| |
| Abies concolor var. concolor |
A. abietinum f. sp. concoloris |
Principal |
|
A. douglasii |
Rare |
| |
| Abies concolor var. lowiana |
A. abietinum f. sp. concoloris |
Principal |
| |
Abies durangensis |
A. abietinum f. sp. concoloris |
Principal |
| |
| Abies grandis |
A. abietinum f. sp. concoloris |
Principal |
|
A. douglasii |
Rare |
|
A. laricis |
Rare |
|
A. tsugense subsp. tsugense |
Occasional? |
|
A. tsugense subsp. mertensianae |
Rare |
| |
| Abies lasiocarpa var. lasiocarpa |
A. abietinum f. sp. concoloris |
Occasional |
|
A. douglasii |
Rare |
|
A. laricis |
Occasional |
|
A. tsugense subsp. tsugense |
Principal? |
|
A. tsugense subsp. mertensianae |
Principal |
| |
| Abies lasiocarpa var. arizonica |
A. douglasii |
Occasional |
|
A. microcarpum |
Rare |
| |
| Abies magnifica |
A. abietinum f. sp. magnificae |
Principal |
| |
| Abies procera |
A. tsugense subsp. tsugense |
Principal? |
|
A. tsugense subsp. mertensianae |
Principal |
| |
| Abies religiosa var. religiosa |
A. abietis-religiosae |
Principal |
| |
| Abies religiosa var. emarginata |
A. abietis-religiosae |
Principal |
| |
| Abies vejari |
A. abietis-religiosae |
Principal |
| |
| Larches |
| |
| Larix laricina |
A. pusillum |
Occasional |
| |
| Larix occidentalis |
A. laricis |
Principal |
|
A. tsugense subsp. tsugense |
Rare |
| |
| Spruces |
| |
| Picea breweriana |
A. abietinum f. sp. concoloris |
Secondary |
|
A. monticola |
Occasional |
|
A. tsugense subsp. mertensianae |
Rare |
| |
| Picea engelmannii |
A. americanum |
Rare |
|
A. cyanocarpum |
Rare? |
|
A. douglasii |
Rare |
|
A. laricis |
Rare |
|
A. microcarpum |
Principal |
|
A. tsugense subsp. tsugense |
Rare |
| |
| Picea glauca |
A. americanum |
Rare |
|
A. pusillum |
Principal |
| |
| Picea mariana |
A. americanum |
Rare |
|
A. pusillum |
Principal |
| |
| Picea pungens |
A. americanum |
Rare |
|
A. douglasii |
Rare |
|
A. microcarpum |
Principal |
| |
| Picea rubens |
A. pusillum |
Principal |
| |
| Picea sitchensis |
A. tsugense subsp. tsugense |
Rare |
| |
| Pines - Subgenus Haploxylon |
| |
| Pinus albicaulis |
A. americanum |
Occasional |
|
A. cyanocarpum |
Principal |
|
A. laricis |
Rare |
|
A. tsugense subsp. mertensianae |
Secondary |
| |
| Pinus aristata |
A. americanum |
Rare |
|
A. cyanocarpum |
Principal |
|
A. microcarpum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Occasional |
| |
| Pinus ayacahuite var. ayacahuite |
A. guatemalense |
Principal |
| |
| Pinus ayacahuite var. brachyptera |
A. abietinum f. sp. concoloris |
Rare |
|
A. blumeri |
Principal |
| |
| Pinus balfouriana subsp. balfouriana |
A. cyanocarpum |
Occasional? |
| |
| Pinus californiarum |
|
|
| subsp. californiarum |
A. divaricatum |
Principal |
| |
| Pinus californiarum subsp. fallax |
A. divaricatum |
Principal |
| |
| Pinus cembroides |
A. divaricatum |
Principal |
| |
| Pinus orizabensis |
A. pendens |
Principal |
| |
| Pinus culminicola |
A. vaginatum subsp. vaginatum |
Rare |
| |
| Pinus discolor |
A. divaricatum |
Principal |
|
A. pendens |
Principal |
| |
| Pinus edulis |
A. divaricatum |
Principal |
| |
| Pinus flexilis |
A. americanum |
Occasional |
|
A. cyanocarpum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Rare |
| |
| Pinus lambertiana |
A. abietinum f. sp. concoloris |
Rare |
|
A. californicum |
Principal |
|
A. campylopodum |
Rare |
|
A. monticola |
Secondary |
| |
| Pinus longaeva |
A. cyanocarpum |
Principal |
| |
| Pinus monophylla |
A. divaricatum |
Principal |
| |
| Pinus monticola |
A. abietinum f. sp. concoloris |
Rare |
|
A. californicum |
Secondary |
|
A. cyanocarpum |
Secondary |
|
A. laricis |
Rare |
|
A. monticola |
Principal |
|
A. tsugense subsp. tsugense |
Rare |
|
A. tsugense subsp. mertensianae |
Occasional |
| |
| Pinus quadrifolia |
A. divaricatum |
Principal |
| |
| Pinus strobiformis var. strobiformis |
A. apachecum |
Principal |
|
A. blumeri |
Principal |
|
A. microcarpum |
Rare |
|
A. vaginatum subsp. cryptopodum |
Rare |
| |
| Pinus strobiformis var. potosiensis |
A. blumeri |
Principal |
| |
| Pinus strobus |
A. pusillum |
Rare |
| |
| Pines - Subgenus Diploxylon |
| |
| Pinus arizonica var. arizonica |
A. gillii |
Rare |
|
A. globosum subsp. globosum |
Occasional |
|
A. nigrum |
Rare |
|
A. vaginatum subsp. vaginatum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Principal |
|
A. verticilliflorum |
Principal |
| |
| Pinus arizonica var. stormiae |
A. vaginatum subsp. vaginatum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Principal |
| |
| Pinus attenuata |
A. americanum |
Rare? |
|
A. campylopodum |
Secondary |
|
A. occidentale |
Secondary |
|
A. siskiyouense |
Principal |
| |
| Pinus banksiana |
A. americanum |
Principal |
| |
| Pinus caribaea var. hondurensis |
A. hawksworthii |
Principal |
| |
| Pinus contorta var. contorta |
A. siskiyouense |
Rare |
|
A. tsugense subsp. tsugense |
Principal |
| |
| Pinus contorta var. bolanderi |
A. littorum |
Occasional |
| |
| Pinus contorta var. latifolia |
A. americanum |
Principal |
|
A. campylopodum |
Occasional |
|
A. cyanocarpum |
Rare |
|
A. laricis |
Secondary |
|
A. tsugense subsp. tsugense |
Occasional |
|
A. tsugense subsp. mertensianae |
Rare |
|
A. vaginatum subsp. cryptopodum |
Occasional |
| |
| Pinus contorta var. murrayana |
A. abietinum f. sp. concoloris |
Rare |
|
A. americanum |
Principal |
|
A. campylopodum |
Occasional |
| |
| Pinus cooperi |
A. gillii |
Rare |
|
A. globosum subsp. globosum |
Principal |
|
A. nigrum |
Rare |
|
A. rubrum |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Secondary |
|
A. verticilliflorum |
Principal |
| |
| Pinus coulteri |
A. campylopodum |
Secondary |
|
A. occidentale |
Secondary |
| |
| Pinus douglasiana |
A. durangense |
Principal |
|
A. globosum subsp. grandicaule |
Principal |
| |
| Pinus durangensis |
A. abietinum f. sp. concoloris |
Principal |
|
A. durangense |
Principal |
|
A. globosum subsp. globosum |
Principal |
|
A. globosum subsp. grandicaule |
Principal |
|
A. rubrum |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Principal |
|
A. verticilliflorum |
Principal |
|
A. yecorense |
Principal |
| |
| Pinus engelmannii |
A. globosum subsp. globosum |
Principal |
|
A. rubrum |
Principal |
|
A. strictum |
Rare |
|
A. vaginatum subsp. vaginatum |
Principal |
|
A. vaginatum subsp. cryptopodum |
Principal |
|
A. verticilliflorum |
Principal |
|
A. yecorense |
Secondary |
| |
| Pinus hartwegii |
A. globosum subsp. grandicaule |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
| |
| Pinus herrerai |
A. durangense |
Secondary |
|
A. gillii |
Principal |
|
A. rubrum |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
|
A. yecorense |
Principal |
| |
| Pinus jeffreyi |
A. americanum |
Occasional |
|
A. campylopodum |
Principal |
|
A. monticola |
Rare |
|
A. occidentale |
Occasional |
|
A. siskiyouense |
Rare |
| |
| Pinus lawsonii |
A. globosum subsp. grandicaule |
Principal |
|
A. nigrum |
Principal |
|
A. oaxacanum |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
| |
| Pinus leiophylla var. leiophylla |
A. gillii |
Principal |
|
A. nigrum |
Principal |
| |
| Pinus leiophylla var. chihuahuana |
A. gillii |
Principal |
|
A. nigrum |
Principal |
|
A. strictum |
Principal |
|
A. yecorense |
Principal |
| |
| Pinus lumholtzii |
A. gillii |
Principal |
|
A. nigrum |
Principal |
|
A. yecorense |
Principal |
| |
| Pinus maximinoi |
A. globosum subsp. grandicaule |
Principal |
|
A. hondurense |
Principal |
| |
| Pinus michoacana |
A. aureum subsp. petersonii |
Principal |
|
A. durangense |
Principal |
|
A. globosum subsp. grandicaule |
Principal |
|
A. oaxacanum |
Principal |
| |
| Pinus montezumae |
A. aureum subsp. aureum |
Principal |
|
A. aureum subsp. petersonii |
Principal |
|
A. durangense |
Principal |
|
A. globosum subsp. grandicaule |
Principal |
|
A. nigrum |
Occasional |
| |
| Pinus muricata |
A. littorum |
Principal |
| |
| Pinus oaxacana |
A. aureum subsp. aureum |
Principal |
|
A. aureum subsp. petersonii |
Principal |
|
A. nigrum |
Principal |
|
A. oaxacanum |
Occasional |
| |
| Pinus occidentalis |
A. bicarinatum |
Principal |
| |
| Pinus oocarpa |
A. aureum subsp. aureum |
Principal? |
|
A. aureum subsp. petersonii |
Principal |
|
A. durangense |
Occasional? |
|
A. hawksworthii |
Principal? |
|
A. hondurense |
Principal |
| |
| Pinus patula |
A. aureum subsp. petersonii |
Principal |
|
A. globosum subsp. grandicaule |
Principal |
|
A. nigrum |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
| |
| Pinus ponderosa var. ponderosa |
A. americanum |
Occasional |
|
A. campylopodum |
Principal |
|
A. laricis |
Occasional |
|
A. occidentale |
Occasional |
|
A. siskiyouense |
Rare |
| |
| Pinus ponderosa var. scopulorum |
A. americanum |
Secondary |
|
A. campylopodum |
Principal |
|
A. cyanocarpum |
Rare |
|
A. vaginatum subsp. cryptopodum |
Principal |
| |
| Pinus pringlei |
A. globosum subsp. grandicaule |
Principal |
| |
| Pinus pseudostrobus |
A. aureum subsp. aureum |
Principal |
|
A. aureum subsp. petersonii |
Principal |
|
A. durangense |
Principal |
|
A. globosum subsp. grandicaule |
Principal |
|
A. nigrum |
Occasional |
|
A. oaxacanum |
Principal |
| |
| Pinus radiata |
A. littorum |
Principal |
| |
| Pinus resinosa |
A. pusillum |
Rare |
| |
| Pinus rudis |
A. globosum subsp. globosum |
Principal? |
|
A. globosum subsp. grandicaule |
Principal |
|
A. vaginatum subsp. vaginatum |
Principal |
| |
| Pinus sabiniana |
A. campylopodum |
Occasional |
|
A. occidentale |
Principal |
| |
| Pinus teocote |
A. globosum subsp. globosum |
Rare |
|
A. globosum subsp. grandicaule |
Principal |
|
A. nigrum |
Principal |
|
A. rubrum |
Principal |
|
A. strictum |
Occasional |
|
A. vaginatum subsp. vaginatum |
Secondary |
| |
| Douglas-fir |
| |
| Pseudotsuga menziesii |
A. americanum |
Rare |
|
A. douglasii |
Principal |
|
A. tsugense subsp. tsugense |
Rare |
| |
| Hemlocks |
| |
| Tsuga heterophylla |
A. tsugense subsp. tsugense |
Principal |
|
A. tsugense subsp. mertensianae |
Rare |
| |
| Tsuga mertensiana |
A. cyanocarpum |
Secondary |
|
A. laricis |
Principal |
|
A. tsugense subsp. tsugense |
Rare |
|
A. tsugense subsp. mertensianae |
Principal |
|
| Note: A question mark indicates that we have not determined the appropriate susceptibility class or that the reported host-parasite combination has not been confirmed. |