The tree-killing pest has been found in all but four of Michigan’s 83 counties. It shades many parks, large yards, and other sizable areas and provides exquisite fall color ranging from yellow to deep purple and maroon. EAB were first detected in Michigan in 2002, and have since spread across 35 states through various wood products, including firewood and trees sold for planting. The only other oppositely branched tree with compound leaves is boxelder (Acer negundo), which almost always has three to five leaflets. Threats to the forests are Birch bark disease, emerald ash borer (EAB), and hemlock wooly adelgid. 2. All Images Enlarge Image. Bright green in color and about a half inch in length, the Emerald Ash Borer (EAB) only attacks ash trees and is a devastating and destructive pest that greatly affects the urban forest. Branchlets ± sharply 4-angled or even slightly winged, with flattish sides. Fraxinus quadrangulata, the blue ash, is a species of ash native primarily to the Midwestern United States from Oklahoma to Michigan, as well as the Bluegrass region of Kentucky and the Nashville Basin region of Tennessee. https://www.canr.msu.edu/resources/ash_tree_identification_e2942 Leaflets whitish beneath and minutely papillose (or densely pitted in appearance) [30–40×], the lateral ones on petiolules often 5–10 mm long; leaves and young twigs glabrous or nearly so (sometimes with hairs along main veins of leaflets beneath); samaras with distended portion over the seed ca. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. The emerald ash borer is native to China but reached the USA through untreated shipping pallets in the 1990s; since then it’s killed millions of wild ash trees. The tallest tree currently in Michigan is actually a red maple, claiming the title after an old growth eastern white pine fell. Ash Tree Identification MSU is an affirmative-action, equal-opportunity institution. In the wake of Dutch Elm Disease, many Michigan communities planted mostly ash to replace the dead elm trees, setting the stage. Beyond its landscape value, the tree has made its mark as the wood used to make baseball bats. American Basswood. Ash Trees. Here’s some consolation: in that location, with park-like room for roots to spread, many species can be expected to grow well and quickly. One of the most common ash tree varieties in this country is the white ash, a large shade tree. But a tree with most of its canopy could be a good candidate for treatment. Leaves are compound and composed of 5-11 leaflets. This information is for educational purposes only. Ash species attacked by emerald ash borer include green (Fraxinus pennsylvanica), white (F. americana), black (F. nigra), and blue (F. quadrangulata), as well as horticultural cultivars of these species. February 11, 2016 - For questions about accessibility and/or if you need additional accommodations for a specific document, please send an email to ANR Communications & Marketing at anrcommunications@anr.msu.edu. The white ash is a handsome tree native to North America. When present on trees, seeds are dry, oar-shaped samaras. EAB is now considered established in Michigan's Lower Peninsula, and its spread is being watched in the Upper Peninsula. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. Location 10367 Northland Dr NE Rockford, MI 49341 Kent County - Michigan. 4–6.5 (–7) times as long as wide (measured at middle), winged only along apical half or less of the seed. Leaflets green beneath, not papillose, the lateral ones on petiolules rarely as long as 5 mm (usually shorter and often winged to the base, but much longer in the rare F. profunda); leaves and young twigs densely pubescent to glabrous; samaras with distended portion ca. This tree has been referred to as a variety of different names in literature: Rowantree, rowan berry, roundwood, mountain sumac, winetree, dogberry, service tree, wild ash, quickbeam, life-of-man, Indian mozemize, missey-moosey and mose-misse. Branching is alternate and the leaves are simple with an unequal leaf base. The first juvenile leaves on seedlings are simple, and rare mutant trees may bear simple leaves. White ash (on left) and green ash (on right). Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. But European Mountain Ash (Sorbus aucuparia) trees can grow to be about 65 feet tall, which is more than twice the size of … MSU is an affirmative-action, equal-opportunity employer. Leaves are compound with 9 to 15 leaflets, but the plant has an alternate branching habit. Replacement options for Ash trees - Chicago Botanic Garden; Michigan. White Poplar, Eastern Poplar, Lombardy Poplar, Balsam Poplar, Tulip Poplar . The ash borer has wiped out virtually every ash tree in southeast Michigan. It was first found to be attacking and killing ash trees in Michigan in 2002. To date, emerald ash borer has only been found on ash trees (see page 4). Black Ash (Fraxinus nigra) The wood structure of black ash makes it a great choice for weaving, as … Leaves are compound with alternate (staggered) branching. She explains where to look for the trees and why: While some patches are worse than others, it’s hard to find a lot of live ash trees in Lower Michigan and much of the eastern and central Upper Peninsula. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. They have steadily moved across the country, literally killing every single untreated ash tree along the way. Don’t move firewood! More than 60 million ash trees, ranging from one inch to five feet in diameter, have been killed by EAB in this area alone. An exotic metallic green beetle is eating its way through North American forests, leaving dead ash trees in its wake. Elder's Forest Products Standing Timber Buyer. It grows in USDA zones 4 through 9, rises to 80 feet (24 meters) with a spread of 70 feet (21 meters). Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, religion, age, disability, political beliefs, sexual orientation, marital status, or family status. (2.2–) 3–5 mm long; wing of samara ca. Jennifer Koch is a research biologist with the U.S. Forest Service. Fruit are hard-shelled nuts in a green husk. It has a broadly winged linear-oblong fruit like that of F. quadrangulata and F. nigra, and likewise lacks a calyx; it has sessile leaflets, like those of F. nigra, but the rachis of the leaf is glabrous where the leaflets attach, not with the characteristic tomentum of F. nigra. Ash Borer picture and facts can be found here Ash Tree Borer The beetle originated from Asia was first found in North America in 2002 in the Detroit, Michigan, and across the river in Windsor, Ontario areas. Kimberly Rebek. The first time I heard of emerald ash borer (EAB) was in my dendrology class in 2009 at Michigan State University. Choose from this list and score one for diversity. Ash Tree Facts and Information Fraxinus is a genus flowering plants in the olive and lilac family, Oleaceae. Poplar Trees. Effective October 1, 2018, the Michigan Department of Agriculture and Rural Development (MDARD) repeals its Emerald Ash Borer (EAB) Interior Quarantine. (6.5–) 7–10 mm broad; leaflets pubescent beneath. Me, like so many have really not paid attention to what is happening to our ash trees. In all of our species, the flowers appear before the leaves, on twigs of the previous year. Leaflet margins may be smooth or toothed. Lateral leaflets (at least the lower ones) petiolulate (with at least a short though sometimes winged stalk), 4–8; flowers with a calyx (persistent at base of fruit); samara distinctly thickened over the mature seed, ca. Branches and buds are directly across from each other and not staggered. Mites often distort the inflorescences, producing persistent galls. It has killed more than 40 million ash trees in the states of Michigan, Ohio, Indiana, Maryland, and Illinois. Tree bears clusters of creamy white flowers in May. Green and white ash are the most commonly found ash species in the Midwest with blue ash being rare. The first cases were found in Michigan in 2002 but since then it’s spread to neighboring states and is likely to keep expanding its range. The Northern Research Station has launched a new online reporting tool. They want people in 10 counties in southeast Michigan and 7 counties in northwest Ohio to report the location of ash trees that have survived the infestation. In southeast Michigan, where EAB was first established, scientists have documented 99 percent mortality in forest stands dominated by green ash (Fraxinus pennsylvanica), white ash (Fraxinus americana) or black ash (Fraxinus nigra). Exhibits opposite branching and compound leaves. 3. 4. It was detected for the first time in Pennsylvania in late June 2007. Asian ash species may be more resistant. 3. Author: Adults typically only fly about ½ mile. Forested to open dunes along Lake Michigan; sandy fields and knolls; fencerows and dry bluffs or banks; rarely in moister sites along rivers and edges of floodplain forests. When looking for opposite branching in trees, please consider that buds or limbs may die; hence not every single branch will have an opposite mate. Lateral leaflets definitely sessile, 6–10; flowers without a calyx; samara strongly flattened, scarcely if at all thickened over the seeds, ca. Contact Us (616) 866-9317. It contains 45-65 species of usually medium to large trees, mostly deciduous though a few subtropical species are evergreen. Scientific Name: Fraxinus americana. The Michigan Department of Natural Resources (DNR) estimates that millions of ash trees across the state have been wiped out. The culprit is the emerald ash borer, Agrilus planipennis Fairmaire, an exotic Asian beetle discovered in southeastern Michigan near Detroit in the summer of 2002. By planting mostly one species, many communities lost nearly all their trees once the beetle reached them. The real concern with spread is the relocation of infested firewood to non-infested areas. On mature trees (left), the bark is tight with a distinct pattern of diamond-shaped ridges. Calyx at base of fruit ca. On young trees (right), bark is relatively smooth. Fraxinus in Michigan and surrounding areas are being devastated by the emerald ash borer (Agrilus planipennis), an Asian insect first discovered in North America in southeastern Michigan in 2002. The insect simply flew from one tree to the next, spreading like wildfire. The Emerald Ash Borer (EAB) has been with us since it was first discovered in Michigan back in 2003. Black Ash, Green Ash, White Ash, Blue Ash. "Lingering ash." However, has 3 to 5 leaflets (instead of 5 to 11) and the samaras are always in pairs instead of single like the ash. Red and eastern white pines can be found in the southern half where the forests change from northern hardwood type to old growth pine forests. Think about the tree's location, contribution to the landscape and its sentimental value to decide if treatment is worth it. On their own, this species doesn’t spread very far. Calyx at base of fruit ca. That's what the U.S. Forest Service calls the relatively few green and white ash trees that survive the emerald ash borer onslaught. Only true ash are susceptible to attack by emerald ash borer. They usually occur in clusters and typically hang on the tree until late fall, early winter. MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. In much of the rest of the state's lower peninsula, there are few trees left to fight for. (6.5–) 7.5–12 times as long as wide, often winged (very narrowly) to below the middle of the seed. Blue ash is equally tall and can be identified by its squared stems. About 55 tree species make up swamp hardwood forests across Michigan. While other woody plants, such as mountainash and pricklyash, have “ash” in their name, they are not true ash, or Fraxinus species. White Ash. 1. The terminal buds are broad and the terete greenish twigs contrast strongly with the black buds. The tree's common English name, ash, goes back to the Old English æsc, while the generic name originated in Latin. Not sure if your tree is an ash? Even before the onset of emerald ash borer, concerned arborists had put a moratorium on ash and maple planting and begun planting less common trees. When an ash tree is the friendly cover above your patio or picnic table, and it is doomed to fall to the plague of emerald ash borer, its loss is a personal one. Fraxinus excelsior L., the European ash, is sometimes planted and may be found in Michigan as it is known to escape in adjacent Ontario. Leaves are compound with 5 to 7 leaflets, but the plant has an alternate branching habit. B. S. Walters . 1.3–7 mm broad across the middle of the seed, very narrowly if at all winged at the base. Isolated populations exist in Alabama, Southern Ontario, and small sections of the Appalachian Mountains. Basswood Trees. 0.5–2 (–2.5) mm long; wing of samara (4–) 4.5–6.5 (–8.5) mm broad; leaflets glabrous or pubescent beneath. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. They have smooth, grayish bark and produce beautiful leaves and flowers, too. Identifying ash trees Due to the recent discovery of the emerald ash borer (EAB) in Michigan, it is important to be able to recognize and identify ash trees. Fruit is a large dark brown nut inside a green husk. European Mountain Ash (Sorbus aucuparia) trees are similar to American Mountain Ash (Sorbus americana) trees in many ways. Even slightly winged, a samara much like that of the seed, winged the. 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