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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. Local Concern: Since the first discovery in Michigan in 2002, this invasive beetle has killed tens of millions of ash trees in Michigan, both in forests and in neighborhoods. The ash borer has wiped out virtually every ash tree in southeast Michigan. 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. 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. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. 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. Tree bears clusters of creamy white flowers in May. The Michigan Department of Natural Resources (DNR) estimates that millions of ash trees across the state have been wiped out. But a tree with most of its canopy could be a good candidate for treatment. 2. Leaves are compound with alternate (staggered) branching. 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. They usually occur in clusters and typically hang on the tree until late fall, early winter. 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. On young trees (right), bark is relatively smooth. Alternative Tree Species Selection This guide gives suggestions for species that should be considered in situations where a homeowner, landscape, or urban forester may have planted an ash in the past in Michigan's lower peninsula; Minnesota . Save your Ash Trees - before it's too late! (2.2–) 3–5 mm long; wing of samara ca. Poplar Trees. Only true ash are susceptible to attack by emerald ash borer. EAB was found in northern Aroostook County in May 2018, western York County in September 2018, and Cumberland County in September 2019. Fruit are hard-shelled nuts in a green husk. Leaves are compound with 5 to 7 leaflets, but the plant has an alternate branching habit. Me, like so many have really not paid attention to what is happening to our ash trees. Branchlets ± sharply 4-angled or even slightly winged, with flattish sides. The first time I heard of emerald ash borer (EAB) was in my dendrology class in 2009 at Michigan State University. Replacement options for Ash trees - Chicago Botanic Garden; Michigan. Beyond its landscape value, the tree has made its mark as the wood used to make baseball bats. (6.5–) 7–10 mm broad; leaflets pubescent beneath. 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. Black Ash (Fraxinus nigra) The wood structure of black ash makes it a great choice for weaving, as … Leaflet margins may be smooth or toothed. The terminal buds are broad and the terete greenish twigs contrast strongly with the black buds. 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. "Lingering ash." In the wake of Dutch Elm Disease, many Michigan communities planted mostly ash to replace the dead elm trees, setting the stage. We were just learning our native trees and I remember my professor saying, “You can kiss your ash goodbye.” Along with the opposite branching and compound leaves, D-shaped exit holes were becoming an identifying characteristic. EAB is now considered established in Michigan's Lower Peninsula, and its spread is being watched in the Upper Peninsula. You no longer need to report EAB in Michigan. Since the inconspicuous flowers are often unisexual (plants dioecious or polygamous), vegetative features are stressed in the key. Lateral leaflets definitely sessile, 6–10; flowers without a calyx; samara strongly flattened, scarcely if at all thickened over the seeds, ca. Red maple, green ash and silver maple account for over half the volume. It shades many parks, large yards, and other sizable areas and provides exquisite fall color ranging from yellow to deep purple and maroon. 2. Green and white ash are the most commonly found ash species in the Midwest with blue ash being rare. MSU is an affirmative-action, equal-opportunity employer. 3. 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). Red maple, black ash and cedar are more dominant in the Upper Peninsula than in the Lower Peninsula.1 1 Relative volumes of species are derived from the USDAFores… Fraxinus excelsior L., the European ash, is sometimes planted and may be found in Michigan as it is known to escape in adjacent Ontario. However, has 3 to 5 leaflets (instead of 5 to 11) and the samaras are always in pairs instead of single like the ash. 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. They have smooth, grayish bark and produce beautiful leaves and flowers, too. Asian ash species may be more resistant. Think about the tree's location, contribution to the landscape and its sentimental value to decide if treatment is worth it. 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. Branches and buds are directly across from each other and not staggered. The fruit is conspicuously winged, a samara much like that of the maples but not in pairs. Mites often distort the inflorescences, producing persistent galls. The Emerald Ash Borer (EAB) has been with us since it was first discovered in Michigan back in 2003. 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. The insect simply flew from one tree to the next, spreading like wildfire. 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. Adult beetles are metallic green and about 1/2-inch long. They also grow in dry and rocky areas and moist wooded areas. Ash Tree Identification MSU is an affirmative-action, equal-opportunity institution. Not sure if your tree is an ash? Michigan Timber Buyers Types of Trees we are looking for: … (4.5–) 6–8 (–10) mm broad across the middle of the seed, winged to the base. Contact Us (616) 866-9317. 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. Fruits are fleshy, red-orange berries. Tree planting became a matter of mixing species within a city block, rather than planting lines of hundreds of the same species, even the same clone of a species. Kimberly Rebek. One of the most common ash tree varieties in this country is the white ash, a large shade tree. 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. Scientific Name: Fraxinus americana. An exotic metallic green beetle is eating its way through North American forests, leaving dead ash trees in its wake. About 55 tree species make up swamp hardwood forests across Michigan. White ash (on left) and green ash (on right). 4. Effective October 1, 2018, the Michigan Department of Agriculture and Rural Development (MDARD) repeals its Emerald Ash Borer (EAB) Interior Quarantine. On mature trees (left), the bark is tight with a distinct pattern of diamond-shaped ridges. February 11, 2016 She explains where to look for the trees and why: 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. More than 60 million ash trees, ranging from one inch to five feet in diameter, have been killed by EAB in this area alone. 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. Leaves are compound and composed of 5-11 leaflets. Calyx at base of fruit ca. 0.5–2 (–2.5) mm long; wing of samara (4–) 4.5–6.5 (–8.5) mm broad; leaflets glabrous or pubescent beneath. EAB is easily spread through the movement of firewood, logs and nursery stock. 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. 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. The tree's common English name, ash, goes back to the Old English æsc, while the generic name originated in Latin. The real concern with spread is the relocation of infested firewood to non-infested areas. 1.3–7 mm broad across the middle of the seed, very narrowly if at all winged at the base. Ash Trees. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. It contains 45-65 species of usually medium to large trees, mostly deciduous though a few subtropical species are evergreen. They have steadily moved across the country, literally killing every single untreated ash tree along the way. Calyx at base of fruit ca. By planting mostly one species, many communities lost nearly all their trees once the beetle reached them. 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. White Ash. Isolated populations exist in Alabama, Southern Ontario, and small sections of the Appalachian Mountains. (6.5–) 7.5–12 times as long as wide, often winged (very narrowly) to below the middle of the seed. That's what the U.S. Forest Service calls the relatively few green and white ash trees that survive the emerald ash borer onslaught. It has killed more than 40 million ash trees in the states of Michigan, Ohio, Indiana, Maryland, and Illinois. B. S. Walters . In much of the rest of the state's lower peninsula, there are few trees left to fight for. Branchlets (at least internodes) essentially terete. This information is for educational purposes only. To date, emerald ash borer has only been found on ash trees (see page 4). Branching is alternate and the leaves are simple with an unequal leaf base. 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. Leaves are compound with 9 to 15 leaflets, but the plant has an alternate branching habit. Elder's Forest Products Standing Timber Buyer. 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. 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. Choose from this list and score one for diversity. An ash tree that has lost more than half of its leaves because of EAB should likely be removed, according to USDA research. On their own, this species doesn’t spread very far. Blue ash is equally tall and can be identified by its squared stems. 1. White Poplar, Eastern Poplar, Lombardy Poplar, Balsam Poplar, Tulip Poplar . It was detected for the first time in Pennsylvania in late June 2007. While other woody plants, such as mountainash and pricklyash, have “ash” in their name, they are not true ash, or Fraxinus species. The emerald ash borer (EAB), Agrilus planipennis, is an invasive highly destructive wood-boring insect that attacks ash trees. Common Name: WAFER-ASH, HOP-TREE: Coefficient of Conservatism: 4 Coefficient of Wetness: 3 Wetness Index: FACU Physiognomy: Nt Shrub. The Northern Research Station has launched a new online reporting tool. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. European Mountain Ash (Sorbus aucuparia) trees are similar to American Mountain Ash (Sorbus americana) trees in many ways. The tree-killing pest has been found in all but four of Michigan’s 83 counties. It was first found to be attacking and killing ash trees in Michigan in 2002. The only other oppositely branched tree with compound leaves is boxelder (Acer negundo), which almost always has three to five leaflets. Fraxinus excelsior L., the European ash, is sometimes planted and may be found in Michigan as it is known to escape in adjacent Ontario. 1. Adults typically only fly about ½ mile. 3. The first juvenile leaves on seedlings are simple, and rare mutant trees may bear simple leaves. 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. Jennifer Koch is a research biologist with the U.S. Forest Service. Growth is often slow because of site limitations. But European Mountain Ash (Sorbus aucuparia) trees can grow to be about 65 feet tall, which is more than twice the size of … Next, weigh the cost of treatment versus the value of the tree. Author: In all of our species, the flowers appear before the leaves, on twigs of the previous year. 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. Native Regions: Widely found across the northern … When present on trees, seeds are dry, oar-shaped samaras. It grows in USDA zones 4 through 9, rises to 80 feet (24 meters) with a spread of 70 feet (21 meters). Black Ash, Green Ash, White Ash, Blue Ash. Fruit is a large dark brown nut inside a green husk. 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. Don’t move firewood! The white ash is a handsome tree native to North America. - Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Black ash, northern whitecedar, quaking aspen, balsam poplar, American elm, balsam fir and cotton-wood each make up 2 to 4 percent of the volume. American Basswood. Exhibits opposite branching and compound leaves. These detections have led to quarantine regulations in all of York and Cumberland … Ash Tree Facts and Information Fraxinus is a genus flowering plants in the olive and lilac family, Oleaceae. 4. 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. 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. https://www.canr.msu.edu/resources/ash_tree_identification_e2942 Threats to the forests are Birch bark disease, emerald ash borer (EAB), and hemlock wooly adelgid. 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. Basswood Trees. All Images Enlarge Image. The leaves, on twigs of the maples but not in pairs, Lombardy,. Rest of the tree explains where to look for the trees and why: the white ash, back... 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