Armillaria root rots
Armillaria spp. (Fr.:Fr) Staude
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| Taxonomic Rank: Agaricomycetes > Agaricales > Marasmiaceae > Armillaria |
| Category: Diseases: Root and Butt / Root and Stem Diseases |
133 Records | View Images as Host | View Thumbnails |
| Image | Descriptor | Description |
|---|---|---|
| 0355030 | Symptoms | decayed wood present in butt of tree |
| 0364041 | Fruiting Bodies | |
| 0364050 | Fruiting Bodies | clusters of fruiting bodies at base of oak tree (oak decline) |
| 0808047 | Symptoms | North Fork John Day Ranger District, Umatilla National Forest, northeastern Oregon |
| 0808048 | Sign | Mycelial mats on windthrown tree. North Fork John Day Ranger District, Umatilla National Forest, northeastern Oregon |
| 0886028 | Sign | Rhizomorphs and mycelial fan |
| 0976071 | Sign | fan at the base of an infected tree |
| 1210059 | Symptoms | Small group of dead trees |
| 1210091 | Sign | Characteristic white mycelial fan at root collar and on large root |
| 1210092 | Symptoms | Small group of dead trees |
| 1261013 | Fruiting Bodies | Honey fungus. 4 species occur in Poland. All are parasitic mushrooms causing serious damages in the forests, especially on post-agriculture lands. |
| 1261160 | Fruiting Bodies | Honey fungus, Poland |
| 1301005 | Fruiting Bodies | |
| 1301008 | Sign | rhizomorphs |
| 1397058 | Symptoms | |
| 1397105 | Symptoms | Root failure. |
| 1397108 | Symptoms | With extensive root and butt decay on golf course |
| 1398201 | Symptoms | 40 year old recently killed white spruce with bark removed at the tree base. Chequamegon National Forest, 2004 |
| 1400098 | Sign | Rhizomorphs on dead oak |
| 1400100 | Fruiting Bodies | Armillaria mushrooms (golden color, on left) with Entoloma abortivum mushrooms (creamy white, on right). In Wisconsin hardwood stand, autumn. |
| 1400101 | Fruiting Bodies | Armillaria mushrooms in a Wisconsin hardwood stand, autumn. Note one mushroom flipped over to show gills. |
| 1400102 | Sign | Armillaria rhizomorph under bark of root on declining (but still alive) aspen. See image #1400103. Nicolet National Forest, Wisconsin. |
| 1400103 | Symptoms | Dying aspen, Nicolet National Forest, Wisconsin. Bark cut away to show strip kill on stem. Bark on root cut away to show armillaria rhizomorphs. See image #1400102. |
| 1400105 | Fruiting Bodies | Armillaria mushrooms on a hardwood and white pine site in Upper Peninsula of Michigan, in autumn. |
| 1407053 | Fruiting Bodies | This is shoestring root rot. Named for the black bands that the fungus produces under dead bark, shoestring root rot often attacks weakened trees. Keep your trees healthy and vigorous through a well designed program of tree care. |
| 1415078 | Trap(s) | Root infection. July 11, 2002 |
| 1415086 | Symptoms | Root rot. July 11, 2002 |
| 1415087 | Symptoms | Root rot. July 11, 2002 |
| 1415226 | Symptoms | Aug. 8, 2003 |
| 1415229 | Symptoms | Aug. 25, 2003 |
| 1415230 | Symptoms | Necrotic bark. Aug. 25, 2003 |
| 1415231 | Sign | Syrrocium under necrotic bark. Aug. 25, 2003 |
| 1415232 | Symptoms | Pseudosclerotic layers. Aug. 25, 2003 |
| 1442065 | Fruiting Bodies | |
| 1442066 | Sign | Mycelial fan; Rio Grande National Forest |
| 1468342 | Symptoms | October 1983 |
| 1468344 | Control | stump removal |
| 1468345 | Sign | |
| 1468346 | Sign | |
| 1473190 | Symptoms | dying aspen |
| 1479015 | Symptoms | Dead young red pine killed by armillaria infection. Removing the bark at the base of the tree would reveal white mycelial mats. |
| 1503087 | Symptoms | Armillaria root rot |
| 1505077 | Diagram or Graphic | Art - Shoestring root rot pattern |
| 2139061 | Sign | rhizomorphs |
| 2250028 | Symptoms | Infection centers on mountain side |
| 2250030 | Symptoms | resinosus on buttress root of Douglas-fir |
| 2250036 | Symptoms | longitudinal section of root showing resin soaking |
| 2250039 | Symptoms | cross-sectioned log showing hollow due to decay |
| 3036074 | Sign | Myceliall mat on wood- Armillaria |
| 3047012 | Symptoms | white fungal mat under bark |
| 3047013 | Symptoms | white fungal mat under bark |
| 4214007 | Feature(s) | mycelial fans under bark |
| 4214008 | Feature(s) | mycelial fan under bark at base |
| 4214009 | Symptoms | dead or dying pines in plantation |
| 4214010 | Sign | rhizomorphs under bark |
| 4215004 | Symptoms | group of windthrown lodgepole pine trees in infection center |
| 4215005 | Symptoms | dead young jackpines (infection center) in center |
| 4215006 | Symptoms | symptomatic and killed jack pine trees |
| 4215007 | Symptoms | basal resinosus in true fir |
| 4215008 | Sign | bioluminescent mycelial fans under bark |
| 4215009 | Fruiting Bodies | |
| 4799076 | Control | Push over logging with an excavator (with claw) to remove infected stumps |
| 4799077 | Control | Push over logging with an excavator (with claw) to remove infected stumps |
| 4799078 | Control | Push over logging with an excavator (with claw) to remove infected stumps |
| 4823020 | Feature(s) | An unknown A. spp. exhibiting rarely formed rhizomorphs. |
| 5027091 | Sign | Armillaria on 40-year-old red pine |
| 5027094 | Feature(s) | Armillaria spp. often produce abundant quantities of white spores. |
| 5027095 | Sign | Armillaria spp. often produce white pads of mycelium under the bark of infected trees. |
| 5032078 | Sign | Armillaria mycelial mat on white spruce |
| 5032079 | Sign | |
| 5032080 | Fruiting Bodies | |
| 5032081 | Fruiting Bodies | Armillaria on roots of declining spruce in Wisconsin. |
| 5032082 | Symptoms | Heavy mycelial mat development on severely declining spruce in Wisconsin. |
| 5032083 | Sign | White mycelial mats of Armillaria sp. on declining spruce in Wisconsin. |
| 5032084 | Sign | Mycelial mat on major root of a declining spruce tree in Wisconsin. |
| 5032085 | Symptoms | Mycelial mats of Armillaria in lower bole of white spruce in Wisconsin. |
| 5032086 | Symptoms | Remnants of mycelial mats on declining white spruce in Wisconsin. |
| 5032087 | Sign | |
| 5032088 | Sign | Mycelial mat remnants on declining white spruce in Wisconsin. |
| 5032089 | Symptoms | Mycelial mats on declining white spruce in Wisconsin. |
| 5032090 | Sign | Extensive development of mycelial mats on the root collar of recently dead white spruce in Wisconsin. |
| 5032091 | Sign | Mycelial mats on large root of declining white spruce in Wisconsin. |
| 5032092 | Sign | Heavy resin production at the root collar of a declining white spruce in Wisconsin. |
| 5032093 | Feature(s) | Mycelial mats and resin production at the root collar of a declining spruce in Wisconsin. |
| 5037073 | Sign | Armillaria mycelial mat |
| 5037074 | Sign | Armillaria mycelial mat |
| 5042075 | Fruiting Bodies | |
| 5042076 | Sign | signs of armillaria visible in recent crack |
| 5043046 | Symptoms | Windthrow caused by Armillaria root rot in a large bur oak on a golf course. |
| 5047083 | Sign | Armillaria mycelial mat |
| 5047084 | Sign | Armillaria mycelial wefts |
| 5047085 | Fruiting Bodies | |
| 5047086 | Feature(s) | rhizomorphs |
| 5047087 | Feature(s) | rhizomorphs |
| 5047088 | Fruiting Bodies | |
| 5047089 | Fruiting Bodies | |
| 5047090 | Symptoms | |
| 5047091 | Feature(s) | tufts of mycellium |
| 5047092 | Fruiting Bodies | Cluster of sporocarps |
| 5298051 | Sign | Decay and mycelial wefts on decayed, failed tree caused by Armillaria sp. |
| 5298052 | Sign | Broken bole, decay and mycelial wefts caused by Armillaria sp. |
| 5298067 | Sign | Rhizomorphs and mycelial wefts of Armillaria sp. |
| 5335062 | Sign | mycelial fan |
| 5366745 | Symptoms | Ponderosa pine forest (Pinus ponderosa) with trees showing symptoms of armillaria root rot (Armillaria sp.). |
| 5366746 | Damage | Young ponderosa pine trees (Pinus ponderosa) dying due to infection with armillaria root rot (Armillaria sp.). |
| 5366747 | Sign | Hardwood log covered with rhizomorphs of armillaria root rot (Armillaria sp.). |
| 5366748 | Sign | Mycelial fans of armillaria root rot (Armillaria sp.) under the bark of a ponderosa pine (Pinus ponderosa). |
| 5366749 | Sign | Mycelial fans of armillaria root rot (Armillaria sp.) under the bark of a ponderosa pine (Pinus ponderosa). |
| 5366750 | Symptoms | Ponderosa pine forest (Pinus ponderosa) with trees showing symptoms of armillaria root rot (Armillaria sp.). |
| 5366751 | Symptoms | Subalpine fir (Abies lasiocarpa) showing symptoms of armillaria root rot (Armillaria sp.). |
| 5366753 | Symptoms | Pine tree showing symptoms of infection with Armillaria root disease. |
| 5366754 | Site | Mushroom and mycelial fan characteristic of armillaria root rot (Armillaria sp.) in a conifer tree. |
| 5366755 | Sign | Rhizomorphs of armillaria root rot (Armillaria sp.) on an aspen log. |
| 5367184 | Sign | Sign / symptom of armillaria root rot (Armillaria sp.) on the branch of a tree. |
| 5367185 | Sign | Mycelial fans of armillaria (Armillaria sp.) under the bark of a fir tree. |
| 5367186 | Symptoms | Ponderosa pine trees showing symptoms of infection with armillaria root rot (Armillaria sp.). |
| 5367187 | Sign | Mycelial fans of armillaria (Armillaria sp.) under the bark of a conifer tree. |
| 5367188 | Sign | Mycelial fans of armillaria (Armillaria sp.) under the bark of a conifer tree. |
| 5367189 | Sign | Rhizomorphs of Armillaria sp. on roots of a tree. |
| 5367196 | Symptoms | White fir (Abies concolor) trees showing symptoms of either armillaria (Armillaria sp.) or annosum (Heterobasidion annosum) root rot. |
| 5378684 | Feature(s) | Rhizomorphs |
| 5379773 | Symptoms | |
| 5382934 | Symptoms | |
| 5382935 | Symptoms | |
| 5382936 | Symptoms | |
| 5382937 | Symptoms | |
| 5382938 | Symptoms | |
| 5382939 | Symptoms | |
| 5383029 | Sign | rhizomorphs |
| 5383030 | Sign | mycellial fan |
| 5389752 | Sign | mycelial fans + mushrooms on dying Christmas tree |
| 5392883 | Sign | |
| 5392884 | Sign |
