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Armillaria

Kingdom: Fungi
Phylum: Basidiomycota
Subphylum: Hymenomycotina
Class: Agaricomycetes
Subclass: Agaricomycetidae
Order: Agaricales
Family: Marasmiaceae
Genus: Armillaria
304 Images of 8 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5492501 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492502 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492503 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492504 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Yellow Morph.
5492505 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Yellow morph.
5492506 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492507 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Note insect larvae in gills.
5492508 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Note white spore print on ground.
5492509 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Mushroom tends to dissolve into a pile of goo after insect infestation. Note flies on mushroom.
5492510 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Mushroom tends to dissolve into pile of mush after insect infestation.
5492511 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492512 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492513 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym.
5492514 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Rhizomorphs on tree may be from Armillaria mellea.
5492515 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Note white spore print on log.
5492516 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Yellow morph.
5492517 Armillaria root rot Armillaria tabescens Parasitic and/or saprobic on hardwood roots. Prolific late summer and early fall mushroom popping up in lawns and on forest floors in tight clusters that share a basal anchor to the ground which connects to hardwood roots underground. Armillaria tabescens synonym. Yellow morph.
1505077 Armillaria root rots Armillaria spp. Art - Shoestring root rot pattern
5027094 Armillaria root rots Armillaria spp. Armillaria spp. often produce abundant quantities of white spores.
5462121 Armillaria root rots Armillaria spp.
5462123 Armillaria root rots Armillaria spp.
5462122 Armillaria root rots Armillaria spp.
5458675 Armillaria root rots Armillaria spp. Dark shoe-string like rhizomorphs (lower left) and mycelial mat/fan (center & upper right)
5458676 Armillaria root rots Armillaria spp. A rhizomorph (top) compared to a root of the host plant bottom).
5453974 Armillaria root rots Armillaria spp.
1371035 Armillaria root rot Armillaria solidipes Rhizomorphs. Kežmarok, Slovakia
5453971 Armillaria root rots Armillaria spp.
5453972 Armillaria root rots Armillaria spp.
5453973 Armillaria root rots Armillaria spp.
1277002 Armillaria root rot Armillaria novae-zelandiae
1415204 Armillaria root rot Armillaria solidipes July, 8, 2003
1415243 Armillaria root rot Armillaria mellea
4215008 Armillaria root rots Armillaria spp. bioluminescent mycelial fans under bark
4214010 Armillaria root rots Armillaria spp. rhizomorphs under bark
2250030 Armillaria root rots Armillaria spp. resinosus on buttress root of Douglas-fir
0808048 Armillaria root rots Armillaria spp. Mycelial mats on windthrown tree. North Fork John Day Ranger District, Umatilla National Forest, northeastern Oregon
1400098 Armillaria root rots Armillaria spp. Rhizomorphs on dead oak
4215007 Armillaria root rots Armillaria spp. basal resinosus in true fir
4214009 Armillaria root rots Armillaria spp. dead or dying pines in plantation
1396134 Armillaria root rot Armillaria mellea
3047011 Armillaria root rot Armillaria tabescens
1261013 Armillaria root rots Armillaria spp. Honey fungus. 4 species occur in Poland. All are parasitic mushrooms causing serious damages in the forests, especially on post-agriculture lands.
1277001 Armillaria root rot Armillaria limonea New Zealand
4215005 Armillaria root rots Armillaria spp. dead young jackpines (infection center) in center
1371033 Armillaria root rot Armillaria solidipes mycelial fans under the bark - fresh growing edge. Kežmarok, Slovakia
1415087 Armillaria root rots Armillaria spp. Root rot. July 11, 2002
3047009 Armillaria root rot Armillaria tabescens
1398201 Armillaria root rots Armillaria spp. 40 year old recently killed white spruce with bark removed at the tree base. Chequamegon National Forest, 2004
4215004 Armillaria root rots Armillaria spp. group of windthrown lodgepole pine trees in infection center
4823002 Armillaria root rot Armillaria tabescens Infected trees on Jonathan Dickinson State Park, Florida USA
4822099 Armillaria root rot Armillaria tabescens Mycelial felt on base of stem of India Rosewood
1415230 Armillaria root rots Armillaria spp. Necrotic bark. Aug. 25, 2003
1371036 Armillaria root rot Armillaria solidipes light orange brown color moving from the edge to the center of the stem. Kežmarok, Slovakia.
1277038 Armillaria root rot Armillaria novae-zelandiae Has a cap which is slimy when fresh. New Zealand
1277039 Armillaria root rot Armillaria novae-zelandiae
1277036 Armillaria root rot Armillaria novae-zelandiae Has a cap which is slimy when fresh. New Zealand
1277037 Armillaria root rot Armillaria novae-zelandiae Has a cap which is slimy when fresh. New Zealand
1277035 Armillaria root rot Armillaria limonea The cap is dry with a sprinkling of tiny black granules. New Zealand
1277031 Armillaria root rot Armillaria limonea The cap is dry with a sprinkling of tiny black granules. New Zealand
1277032 Armillaria root rot Armillaria limonea The cap is dry with a sprinkling of tiny black granules. New Zealand
1277033 Armillaria root rot Armillaria limonea The cap is dry with a sprinkling of tiny black granules. New Zealand
1277034 Armillaria root rot Armillaria limonea The cap is dry with a sprinkling of tiny black granules. New Zealand
1261160 Armillaria root rots Armillaria spp. Honey fungus, Poland
1206041 Armillaria root rot Armillaria solidipes mushroom cluster
4823001 Armillaria root rot Armillaria tabescens Dead trees at Jonathan Dickinson State Park, Florida USA
1396133 Armillaria root rot Armillaria mellea
1396135 Armillaria root rot Armillaria mellea
0808047 Armillaria root rots Armillaria spp. North Fork John Day Ranger District, Umatilla National Forest, northeastern Oregon
3047008 Armillaria root rot Armillaria tabescens at base of young oak
1400100 Armillaria root rots Armillaria spp. Armillaria mushrooms (golden color, on left) with Entoloma abortivum mushrooms (creamy white, on right). In Wisconsin hardwood stand, autumn.
1400103 Armillaria root rots Armillaria spp. 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.
1400102 Armillaria root rots Armillaria spp. Armillaria rhizomorph under bark of root on declining (but still alive) aspen. See image #1400103. Nicolet National Forest, Wisconsin.
1371020 Armillaria root rot Armillaria mellea
1397105 Armillaria root rots Armillaria spp. Root failure.
1301005 Armillaria root rots Armillaria spp.
4822095 Armillaria root rot Armillaria tabescens Mycelial white felt on roots, water soaking, "s" zone line
1371031 Armillaria root rot Armillaria solidipes Dieback of group of trees. Kežmarok, Slovakia
1468342 Armillaria root rots Armillaria spp. October 1983
1415160 Armillaria root rot Armillaria mellea Nov. 13, 2002
1371018 Armillaria root rot Armillaria mellea
1371037 Armillaria root rot Armillaria solidipes Root deformation due to excess of resin flow. Banská Štiavnica, Slovakia
4215006 Armillaria root rots Armillaria spp. symptomatic and killed jack pine trees
3047012 Armillaria root rots Armillaria spp. white fungal mat under bark
1415232 Armillaria root rots Armillaria spp. Pseudosclerotic layers. Aug. 25, 2003
4822096 Armillaria root rot Armillaria tabescens Mycelial felt on roots
1371019 Armillaria root rot Armillaria mellea
3047013 Armillaria root rots Armillaria spp. white fungal mat under bark
1415086 Armillaria root rots Armillaria spp. Root rot. July 11, 2002
1415244 Armillaria root rot Armillaria mellea
1415131 Armillaria root rot Armillaria solidipes Aug. 12, 2002
4822097 Armillaria root rot Armillaria tabescens Mycelial felt on roots and water soaking of xylem tissue.
1415045 Armillaria root rot Armillaria solidipes Top Dieback. June 3, 2002
4822098 Armillaria root rot Armillaria tabescens Mycelial felt on roots and water soaking of xylem tissue.
0534076 Armillaria root rot Armillaria solidipes
0534036 Armillaria root rot Armillaria solidipes
0534033 Armillaria root rot Armillaria solidipes
0534034 Armillaria root rot Armillaria solidipes
0534035 Armillaria root rot Armillaria solidipes
1241669 Armillaria root rot Armillaria solidipes Resinosus on a young, thin-barked Douglas-fir is often the first sign of infection.
2250037 Armillaria root rot Armillaria solidipes mycelial fan under bark at base of tree
1400105 Armillaria root rots Armillaria spp. Armillaria mushrooms on a hardwood and white pine site in Upper Peninsula of Michigan, in autumn.
1241665 Armillaria root rot Armillaria solidipes This young western white pine has been killed by Armillaria root disease which was probably harbored by the adjacent stump.
1241670 Armillaria root rot Armillaria solidipes Cutting away the bark reveals white fan-shaped felts of Armillaria mycelium in the cambium at the root collar.
1241673 Armillaria root rot Armillaria solidipes Even seedlings have mycellium fans in the root or root collar cambium.
2250026 Armillaria root rot Armillaria solidipes mycelial fan under bark of young western hemlock
1241668 Armillaria root rot Armillaria solidipes Fresh and older (bark) resinosus at the base of an infected Douglas-fir.
5407831 Armillaria root rot Armillaria mellea Close-up of Armillaria melea shoestring-like rhizomorphs on apple root
5035076 Armillaria root rots Armillaria spp. Block of resin from base of tree infected by Armillaria
1498298 Armillaria root rots Armillaria spp.
1498270 Armillaria root rot Armillaria mellea
1498113 Armillaria root rot Armillaria tabescens
1409070 Armillaria root rot Armillaria mellea The same patterns occur with Armillaria mellea. This aspen compartmentalized decay associated with Armillaria mellea after infection in the bark was stopped.
1409072 Armillaria root rot Armillaria mellea Decay associated with Armillaria mellea in this red spruce did not spread to the center, because it was already altered. The pencil shows where wall 4 separated decayed wood from sound wood that formed after the dead area stopped developing.
1409073 Armillaria root rot Armillaria mellea In this beech root, decay associated with Armillaria mellea was strongly restricted by wall 3 at the red arrows. Again, fungi do not grow at will in a tree.
5042076 Armillaria root rots Armillaria spp. signs of armillaria visible in recent crack
5298051 Armillaria root rots Armillaria spp. Decay and mycelial wefts on decayed, failed tree caused by Armillaria sp.
5298052 Armillaria root rots Armillaria spp. Broken bole, decay and mycelial wefts caused by Armillaria sp.
5298067 Armillaria root rots Armillaria spp. Rhizomorphs and mycelial wefts of Armillaria sp.
5043046 Armillaria root rots Armillaria spp. Windthrow caused by Armillaria root rot in a large bur oak on a golf course.
5382934 Armillaria root rots Armillaria spp.
5382935 Armillaria root rots Armillaria spp.
5382936 Armillaria root rots Armillaria spp.
5382937 Armillaria root rots Armillaria spp.
5382938 Armillaria root rots Armillaria spp.
5382939 Armillaria root rots Armillaria spp.
5382927 Armillaria root rot Armillaria gallica
5382928 Armillaria root rot Armillaria gallica
5382929 Armillaria root rot Armillaria gallica
5382930 Armillaria root rot Armillaria gallica
5382931 Armillaria root rot Armillaria gallica
5382932 Armillaria root rot Armillaria gallica
5382933 Armillaria root rot Armillaria gallica
5382823 Armillaria root rot Armillaria solidipes
5382824 Armillaria root rot Armillaria solidipes
5382825 Armillaria root rot Armillaria solidipes
5382826 Armillaria root rot Armillaria solidipes
5382827 Armillaria root rot Armillaria solidipes
5392884 Armillaria root rots Armillaria spp.
5392883 Armillaria root rots Armillaria spp.
5383029 Armillaria root rots Armillaria spp. rhizomorphs
5383030 Armillaria root rots Armillaria spp. mycellial fan
5389752 Armillaria root rots Armillaria spp. mycelial fans + mushrooms on dying Christmas tree
5379773 Armillaria root rots Armillaria spp.
5379827 Armillaria root rot Armillaria cepistipes
5379828 Armillaria root rot Armillaria cepistipes
1415253 Armillaria root rot Armillaria mellea Pure culture on malt agar
1415254 Armillaria root rot Armillaria mellea Pure culture on malt agar
1415252 Armillaria root rot Armillaria mellea Pure culture on malt agar
5335062 Armillaria root rots Armillaria spp. mycelial fan
5378684 Armillaria root rots Armillaria spp. Rhizomorphs
5371965 Armillaria root rot Armillaria tabescens
5371963 Armillaria root rot Armillaria tabescens
5371964 Armillaria root rot Armillaria tabescens
5371962 Armillaria root rot Armillaria tabescens
5371960 Armillaria root rot Armillaria tabescens
5371961 Armillaria root rot Armillaria tabescens
5371959 Armillaria root rot Armillaria tabescens
5371958 Armillaria root rot Armillaria tabescens
5371957 Armillaria root rot Armillaria tabescens
5371956 Armillaria root rot Armillaria tabescens
5371955 Armillaria root rot Armillaria tabescens
5371953 Armillaria root rot Armillaria tabescens
5371954 Armillaria root rot Armillaria tabescens
5371951 Armillaria root rot Armillaria tabescens
5371952 Armillaria root rot Armillaria tabescens
5371950 Armillaria root rot Armillaria tabescens
5372296 Armillaria root rot Armillaria tabescens
5371622 Armillaria root rot Armillaria tabescens
1473190 Armillaria root rots Armillaria spp. dying aspen
5371665 Armillaria root rot Armillaria tabescens
5371653 Armillaria root rot Armillaria tabescens
5371644 Armillaria root rot Armillaria tabescens
5371618 Armillaria root rot Armillaria tabescens
5371602 Armillaria root rot Armillaria tabescens
5372145 Armillaria root rot Armillaria tabescens
5372144 Armillaria root rot Armillaria tabescens
5366753 Armillaria root rots Armillaria spp. Pine tree showing symptoms of infection with Armillaria root disease.
5366752 Armillaria root rot Armillaria mellea Basidiocarps of Armillaria mellea, a fungus that attacks the roots of trees.
5367196 Armillaria root rots Armillaria spp. White fir (Abies concolor) trees showing symptoms of either armillaria (Armillaria sp.) or annosum (Heterobasidion annosum) root rot.
5367189 Armillaria root rots Armillaria spp. Rhizomorphs of Armillaria sp. on roots of a tree.
5367188 Armillaria root rots Armillaria spp. Mycelial fans of armillaria (Armillaria sp.) under the bark of a conifer tree.
5367187 Armillaria root rots Armillaria spp. Mycelial fans of armillaria (Armillaria sp.) under the bark of a conifer tree.
5367186 Armillaria root rots Armillaria spp. Ponderosa pine trees showing symptoms of infection with armillaria root rot (Armillaria sp.).
5367185 Armillaria root rots Armillaria spp. Mycelial fans of armillaria (Armillaria sp.) under the bark of a fir tree.
5367184 Armillaria root rots Armillaria spp. Sign / symptom of armillaria root rot (Armillaria sp.) on the branch of a tree.
5366755 Armillaria root rots Armillaria spp. Rhizomorphs of armillaria root rot (Armillaria sp.) on an aspen log.
5366754 Armillaria root rots Armillaria spp. Mushroom and mycelial fan characteristic of armillaria root rot (Armillaria sp.) in a conifer tree.
5366751 Armillaria root rots Armillaria spp. Subalpine fir (Abies lasiocarpa) showing symptoms of armillaria root rot (Armillaria sp.).
5366750 Armillaria root rots Armillaria spp. Ponderosa pine forest (Pinus ponderosa) with trees showing symptoms of armillaria root rot (Armillaria sp.).
5366749 Armillaria root rots Armillaria spp. Mycelial fans of armillaria root rot (Armillaria sp.) under the bark of a ponderosa pine (Pinus ponderosa).
5366748 Armillaria root rots Armillaria spp. Mycelial fans of armillaria root rot (Armillaria sp.) under the bark of a ponderosa pine (Pinus ponderosa).
5366747 Armillaria root rots Armillaria spp. Hardwood log covered with rhizomorphs of armillaria root rot (Armillaria sp.).
5366746 Armillaria root rots Armillaria spp. Young ponderosa pine trees (Pinus ponderosa) dying due to infection with armillaria root rot (Armillaria sp.).
5366745 Armillaria root rots Armillaria spp. Ponderosa pine forest (Pinus ponderosa) with trees showing symptoms of armillaria root rot (Armillaria sp.).
1473021 Armillaria root rot Armillaria solidipes dead poles
1473102 Armillaria root rot Armillaria solidipes mycelial fans
1473103 Armillaria root rot Armillaria mellea pathological specimens; the Armillaria is prominent in specimens on the left.  Western gall rust and a conk also pictured.
5032087 Armillaria root rots Armillaria spp.
1485004 Armillaria root rot Armillaria mellea fungus specializes on red oak; photo 17 September 1976
1485005 Armillaria root rot Armillaria mellea fungus specializes on red oak; photo 17 September 1976
5047091 Armillaria root rots Armillaria spp. tufts of mycellium
5047084 Armillaria root rots Armillaria spp. Armillaria mycelial wefts
5047085 Armillaria root rots Armillaria spp.
5047086 Armillaria root rots Armillaria spp. rhizomorphs
5047087 Armillaria root rots Armillaria spp. rhizomorphs
5047088 Armillaria root rots Armillaria spp.
5047089 Armillaria root rots Armillaria spp.
5047090 Armillaria root rots Armillaria spp.
5047092 Armillaria root rots Armillaria spp. Cluster of sporocarps
5032088 Armillaria root rots Armillaria spp. Mycelial mat remnants on declining white spruce in Wisconsin.
5032089 Armillaria root rots Armillaria spp. Mycelial mats on declining white spruce in Wisconsin.
5032090 Armillaria root rots Armillaria spp. Extensive development of mycelial mats on the root collar of recently dead white spruce in Wisconsin.
5032091 Armillaria root rots Armillaria spp. Mycelial mats on large root of declining white spruce in Wisconsin.
5032092 Armillaria root rots Armillaria spp. Heavy resin production at the root collar of a declining white spruce in Wisconsin.
5032093 Armillaria root rots Armillaria spp. Mycelial mats and resin production at the root collar of a declining spruce in Wisconsin.
5032082 Armillaria root rots Armillaria spp. Heavy mycelial mat development on severely declining spruce in Wisconsin.
5032083 Armillaria root rots Armillaria spp. White mycelial mats of Armillaria sp. on declining spruce in Wisconsin.
5032084 Armillaria root rots Armillaria spp. Mycelial mat on major root of a declining spruce tree in Wisconsin.
5032085 Armillaria root rots Armillaria spp. Mycelial mats of Armillaria in lower bole of white spruce in Wisconsin.
5032086 Armillaria root rots Armillaria spp. Remnants of mycelial mats on declining white spruce in Wisconsin.
5032080 Armillaria root rots Armillaria spp.
5032081 Armillaria root rots Armillaria spp. Armillaria on roots of declining spruce in Wisconsin.
5261067 Armillaria root rot Armillaria tabescens
5261069 Armillaria root rot Armillaria tabescens
5261071 Armillaria root rot Armillaria tabescens
5261072 Armillaria root rot Armillaria tabescens
5261073 Armillaria root rot Armillaria tabescens
5261075 Armillaria root rot Armillaria tabescens
5261076 Armillaria root rot Armillaria tabescens
5261077 Armillaria root rot Armillaria tabescens
5261079 Armillaria root rot Armillaria tabescens
5261068 Armillaria root rot Armillaria tabescens
5261070 Armillaria root rot Armillaria tabescens
5261074 Armillaria root rot Armillaria tabescens
5261078 Armillaria root rot Armillaria tabescens
1503087 Armillaria root rots Armillaria spp. Armillaria root rot
5027095 Armillaria root rots Armillaria spp. Armillaria spp. often produce white pads of mycelium under the bark of infected trees.
5027091 Armillaria root rots Armillaria spp. Armillaria on 40-year-old red pine
5027092 Armillaria root rot Armillaria gallica Armillaria rhizomorphs are often found at or above the root collar under the bark of trees that have been killed by the fungus.
5027093 Armillaria root rot Armillaria gallica A particularly heavy growth of rhizomorphs under the bark of a dead American elm.
5037073 Armillaria root rots Armillaria spp. Armillaria mycelial mat
5037074 Armillaria root rots Armillaria spp. Armillaria mycelial mat
5047083 Armillaria root rots Armillaria spp. Armillaria mycelial mat
5032079 Armillaria root rots Armillaria spp.
5032078 Armillaria root rots Armillaria spp. Armillaria mycelial mat on white spruce
1407053 Armillaria root rots Armillaria spp. 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.
1479015 Armillaria root rots Armillaria spp. Dead young red pine killed by armillaria infection. Removing the bark at the base of the tree would reveal white mycelial mats.
3036074 Armillaria root rots Armillaria spp. Myceliall mat on wood- Armillaria
5042075 Armillaria root rots Armillaria spp.
2139061 Armillaria root rots Armillaria spp. rhizomorphs
1468344 Armillaria root rots Armillaria spp. stump removal
1468345 Armillaria root rots Armillaria spp.
1468346 Armillaria root rots Armillaria spp.
1468005 Armillaria root rot Armillaria mellea mycelial fans exposed after bark is removed
1397058 Armillaria root rots Armillaria spp.
1397108 Armillaria root rots Armillaria spp. With extensive root and butt decay on golf course
1415078 Armillaria root rots Armillaria spp. Root infection. July 11, 2002
1415226 Armillaria root rots Armillaria spp. Aug. 8, 2003
1415229 Armillaria root rots Armillaria spp. Aug. 25, 2003
1415231 Armillaria root rots Armillaria spp. Syrrocium under necrotic bark. Aug. 25, 2003
1415242 Armillaria root rot Armillaria mellea
1415203 Armillaria root rot Armillaria solidipes July, 8, 2003
1400101 Armillaria root rots Armillaria spp. Armillaria mushrooms in a Wisconsin hardwood stand, autumn. Note one mushroom flipped over to show gills.
1399069 Armillaria root rot Armillaria mellea Hazard tree
1371021 Armillaria root rot Armillaria mellea rhizomorphs under the bark. Bohunice, Slovakia
1371034 Armillaria root rot Armillaria solidipes mycelial fans under the bark - more than 2 m up the stem. Kežmarok, Slovakia
1371032 Armillaria root rot Armillaria solidipes Mycelial fans under the bark. Kežmarok, Slovakia
0806035 Armillaria root rot Armillaria mellea Pike and San Isabel National Forests, south-central Colorado
1210059 Armillaria root rots Armillaria spp. Small group of dead trees
1210091 Armillaria root rots Armillaria spp. Characteristic white mycelial fan at root collar and on large root
1210092 Armillaria root rots Armillaria spp. Small group of dead trees
1301008 Armillaria root rots Armillaria spp. rhizomorphs
1241671 Armillaria root rot Armillaria solidipes Mycelium fans of Armillaria are thick and leathery. The cambium often develops fan-shaped ridges which are discernible long after the fungus has died.
1241672 Armillaria root rot Armillaria solidipes Mushrooms of Armillaria can be produced in abundance, but are not reliably present.
1442261 Armillaria root rot Armillaria mellea mycelial fan under bark of dying tree
1442065 Armillaria root rots Armillaria spp.
1442066 Armillaria root rots Armillaria spp. Mycelial fan; Rio Grande National Forest
0976071 Armillaria root rots Armillaria spp. fan at the base of an infected tree
4823020 Armillaria root rots Armillaria spp. An unknown A. spp. exhibiting rarely formed rhizomorphs.
4822093 Armillaria root rot Armillaria tabescens Clusters of sporocarps on roots of infected trees appear in the fall of the year
4822094 Armillaria root rot Armillaria tabescens Clusters of sporocarps on roots of infected trees appear in the fall of the year. Note gills on underside.
4823003 Armillaria root rot Armillaria tabescens Clusters of sporocarps on roots of infected trees appear in the fall of the year near host pine. FL Forestry
0364052 Armillaria root rot Armillaria mellea rhizomorphs
4214008 Armillaria root rots Armillaria spp. mycelial fan under bark at base
4214007 Armillaria root rots Armillaria spp. mycelial fans under bark
0886028 Armillaria root rots Armillaria spp. Rhizomorphs and mycelial fan
4799076 Armillaria root rots Armillaria spp. Push over logging with an excavator (with claw) to remove infected stumps
4799077 Armillaria root rots Armillaria spp. Push over logging with an excavator (with claw) to remove infected stumps
4799078 Armillaria root rots Armillaria spp. Push over logging with an excavator (with claw) to remove infected stumps
4215009 Armillaria root rots Armillaria spp.
2251093 Armillaria root rot Armillaria solidipes diseased sapling to left of stump
2250034 Armillaria root rot Armillaria solidipes at base of tree
2250035 Armillaria root rot Armillaria solidipes mycelial fan under bark at base of tree
2250062 Armillaria root rot Armillaria solidipes decayed roots of Douglas fir
2250064 Armillaria root rot Armillaria solidipes
2250028 Armillaria root rots Armillaria spp. Infection centers on mountain side
2250039 Armillaria root rots Armillaria spp. cross-sectioned log showing hollow due to decay
2250036 Armillaria root rots Armillaria spp. longitudinal section of root showing resin soaking
0488103 Armillaria root rot Armillaria mellea at base of living oak tree
0364061 Armillaria root rot Armillaria mellea mycelial fan under bark of black oak
0355030 Armillaria root rots Armillaria spp. decayed wood present in butt of tree
0364041 Armillaria root rots Armillaria spp.
0364050 Armillaria root rots Armillaria spp. clusters of fruiting bodies at base of oak tree (oak decline)
0364048 Armillaria root rot Armillaria mellea rhizomorphs

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