| Dwarf Mistletoe Species [DLN Coll. No.] | Host Species | Locality | Comments |
| A. americanum | Pinus contorta | Buckhorn Mt., Larimer Co., CO | Infection has killed most of the crown of the tree |
| A. americanum | Pinus contorta | Myers Gulch, Saguache Co., CO | Large, pendulous, "birds nest" type brooms |
| A. americanum [1911] | Pinus contorta | Upper Sky Ranch Rd., CA | Large broom constituting most of the middle portion of this tree |
| A. douglasii | Pseudotsuga menziesii | Mt. Herman, El Paso Co., CO | A conspicous "clump" |
| A. douglasii | Pseudotsuga menziesii | Santa Fe Co., NM | View upward through a fan-like, systemic broom |
| A. douglasii | Pseudotsuga menziesii | Santa Fe Co., NM | View downward through a fan-like, systemic broom. Shoots of the mistletoe visible in the center |
| A. pusillum [1956] | Picea glauca | Emmet Co., MI | Dead and heavily broomed spruce trees |
| A. pusillum [1956] | Picea glauca | Emmet Co., MI | Large clumpy brooms |
| A. campylopodum ssp. tsugense | Tsuga mertensiana | Alpine Co., CA | Hemlock showing active and dead nonsystemic brooms |
| A. campylopodum ssp. tsugense | Tsuga mertensiana | Mosquito Lake, Alpine Co., CA | Dense, pendulous brooms |
| A. campylopodum ssp. tsugense [2677] | Pinus albicaulis | Crater Lake, OR | A dead broom at the bottom of the tree that really looks like *A BROOM* !! |
| A. campylopodum ssp. tsugense [2684-86] | Tsuga mertensiana, Abies lasiocarpa, & Pinus albicaulis | Lane Co., OR | Three different host genera, all being broomed by mountain hemlock dwarf mistletoe |
| A. campylopodum ssp. tsugense [2686] | Pinus albicaulis | Lane Co., OR | A white bark pine with dense, dead broom near base |
| A. vaginatum ssp. vaginatum [1981] | Pinus ponderosa var. arizonica | Cerro Potosi, Nuevo Leon, Mexico | Huge clump of mistletoe causing a nonsystemic broom. Note also the persistence and diameter of the branch bearing the DM. Other noninfected branches on the trunk have already self-pruned. Shows hormonal influence of DM on the host tree morphology. |
| A. verticilliflorum [1843] | Pinus engelmanii | Durango, Mexico | Similar to above - persistent branch with DM |