| Image |
Descriptor |
Description |
Photographer |
| 1457005 |
Damage |
Witches' broom. Photo taken near Cloquet, MN |
Steven Katovich |
| 4213020 |
Damage |
|
Minnesota Department of Natural Resources Archive |
| 4213022 |
Damage |
infection center in stand, with mortality |
Minnesota Department of Natural Resources Archive |
| 4213023 |
Damage |
Witches' brooms |
Minnesota Department of Natural Resources Archive |
| 4213024 |
Damage |
Witches' brooms |
Minnesota Department of Natural Resources Archive |
| 4213025 |
Damage |
witches' brooms |
Minnesota Department of Natural Resources Archive |
| 4215024 |
Damage |
dead, broomed black spruce |
Fred Baker |
| 4215026 |
Damage |
growth stimulation of host |
Fred Baker |
| 4215027 |
Damage |
epinastic effects |
Fred Baker |
| 0355008 |
Damage |
on black spruce; stages of tree decline |
Robert L. Anderson |
| 1377005 |
Damage |
Witches' brooms and top mortality |
Joseph O'Brien |
| 1377006 |
Damage |
|
Joseph O'Brien |
| 5252033 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252034 |
Flower(s) |
Female flower of black spruce dwarf mistletoe (close-up). |
Joseph O'Brien |
| 5252035 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252036 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252037 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252038 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252039 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252040 |
Flower(s) |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 4215028 |
Flower(s) |
staminate flowers; pollen transported by wind and insects |
Fred Baker |
| 4215029 |
Flower(s) |
staminte shoots; prior to flowering |
Fred Baker |
| 4215030 |
Fruit(s) |
mature pistillate shoots with explosive fruits |
Fred Baker |
| 5029021 |
Fruit(s) |
Immature fruits of Eastern dwarf mistletoe. |
USDA Forest Service - Forest Health Protection - St. Paul Archive |
| 1442102 |
Infestation |
Maine, October 1974 |
USDA Forest Service - Rocky Mountain Region Archive |
| 5029019 |
Infestation |
Witch's brooms of eastern spruce dwarf mistletoe. |
USDA Forest Service - Forest Health Protection - St. Paul Archive |
| 5033029 |
Infestation |
Dwarf mistletoe on black spruce in northern Minnesota |
Joseph O'Brien |
| 5033030 |
Infestation |
A large dwarf mistletoe broom on black spruce in a northern Minnesota bog. |
Joseph O'Brien |
| 5033031 |
Infestation |
Dwarf mistletoe on black spruce in a northern Minnesota bog. |
Joseph O'Brien |
| 5033032 |
Infestation |
A large dwarf mistletoe broom on black spruce in a northern Minnesota bog. |
Joseph O'Brien |
| 5033034 |
Infestation |
A group of black spruce infected with dwarf mistletoe in a Minnesota bog. |
Joseph O'Brien |
| 5033035 |
Infestation |
Black spruce infected with dwarf mistletoe in a Minnesota bog. |
Joseph O'Brien |
| 1377003 |
Plant(s) |
|
Joseph O'Brien |
| 5032075 |
Plant(s) |
|
Joseph O'Brien |
| 5032076 |
Plant(s) |
|
Joseph O'Brien |
| 5032077 |
Plant(s) |
|
Joseph O'Brien |
| 5032074 |
Sign |
|
Joseph O'Brien |
| 5044031 |
Sign |
Shoots of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5044032 |
Sign |
Shoots of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251050 |
Sign |
Basal cups of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251051 |
Sign |
Basal cups of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251052 |
Sign |
Basal cups of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251053 |
Sign |
Basal cups of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251054 |
Sign |
Basal cups of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251055 |
Sign |
Basal cups and female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251056 |
Sign |
Basal cups and male flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251057 |
Sign |
Basal cups and new shoots of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5251058 |
Sign |
Basal cups of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5252032 |
Sign |
Female flowers of black spruce dwarf mistletoe. |
Joseph O'Brien |
| 5027087 |
Sign |
male shoots; Arceuthobium pusillum male shoots |
Joseph O'Brien |
| 5027088 |
Sign |
|
Jim Walters |
| 5027089 |
Sign |
Arceuthobium pusillum witches brooms |
Joseph O'Brien |
| 5027090 |
Sign |
witch's brooms |
Joseph O'Brien |
| 4215025 |
Symptoms |
early symptoms: branch swelling, reduced apical dominance, witches' broom form. |
Fred Baker |
