Authors:
Andrew Hipp, Jason SturnerMore Details
Families: 65
Genera: 156
Species: 215
Total Taxa: 216 (including subsp. and var.)
Hidden Lake Forest Preserve: fence row (1997). NE of Big Rock Visitor Station, NE portion of Woodland Trail, in woodland along trail (2007)., First collected in 1997.
Hidden Lake Forest Preserve. Open area just outside woodland (2007)., First collected in 2007.
Pool II (1923)., First collected in 1923.
Waste places (1925). Waste places, along roads (1926). Nursery beds (1969)., First collected in 1925.
Waste ground of soil bank along south service drive, parallel to E-W Tollway (1970)., First collected in 1970.
North Trail (1935). Along Forest Road (1946). East Side, Remnant Prairie (the "Old Meadow") (1969). W of Lake Jopomaca (1993). Hidden Lake Forest Preserve: in gravelly waste ground E of Eagle Lake, along N border of Arboretum (1993). East Side, edge , First collected in 1935.
A few individuals growing together just off the Main Route. In woodland on slight N-facing slope (2007)., First collected in 2007.
Roadside (1923). In unmown Eurasian meadow in Prairie Restoration Area (1970). East side by U. of I. property lines, open field. Near power lines (1998). East Side, by University of Illinois, Chicago Field Station, near power lines; open fields (1998, First collected in 1923.
Along Meadow Road (1936). Remnant Prairie (1969)., First collected in 1936.
Hidden Lake Forest Preserve (1985). Pine Hill (1993). Hidden Lake Forest Preserve: along marsh area between DuPage River and artificial lake; low area by marsh; edge of marsh (1996). Hidden Lake Forest Preserve: in disturbed grassland above wet meado, First collected in 1985.
The Morton Arboretum (1923). East Woods, along Oakwood Drive (1947). Shaded ground near Japanese Island (1961). East Woods, Parking 7 (2000). T84/area, weedy opening in woodland (2006). One individual found along the south portion of Main Trail Loop , First collected in 1923.
Trail 1 F (1941). East Side, mesic forest (1972). East Woods, Parking 7 (2000)., First collected in 1941.
Right side of path leading from thicket into virgin prairie (1946). E side of path leading from thicket into meadow (1946). Spruce Plot (2007)., First collected in 1946.
Marshy area bordering Forest Road (1936). East shore Lake Marmo (1946). Along W side of DuPage River, Y-42; meadow (1981). Hidden Lake Forest Preserve: along marsh area between DuPage River and artificial lake, in low area, near edge of meadow (1996), First collected in 1936.
In unplanted prairie area formerly known as 'the Eurasion Meadow' in Prairie Restoration (1987). Schulenberg Prairie (2000)., First collected in 1987.
Weed in hedge (1971). On fence at walk-in gate E of Rte 53 (1988)., First collected in 1971.
The Morton Arboretum (1923). Along Forest Road (1936). Along Meadow Road (1941). L-99/area along north side of Forest Road, in an unmowed area (1990). G-08 Schulenberg Prairie (1999). Parking 7, prairie, east side (2000). Grassy field SW of Bur Reed , First collected in 1923.
Along Ridge Road (1936). East Woods, along roadside (1946). West of Parking #34, in an open meadow area (1970). Along Oakwood Loop, in open meadow area, W of Parking 34 (1970)., First collected in 1936.
Woods opposite Crataegus meadow (1925). S of greenhouse (1969). Hidden Lake Forest Preserve: on Trail E to backwoods area; disturbed edge of wood, open area (1997). Hidden Lake Forest Preserve: on Trail E to backwoods area; disturbed edge of wood, op, First collected in 1925.
The Morton Arboretum (1923). The Morton Arboretum (1924). SE corner of Arboretum, N edge of Puffer Marsh (moist soil but no standing water at this time). Marsh dominated by Phragmites australis and Typha (2007)., First collected in 1923.
In beds of shrub group (1969). East Side, the berm (2000). East Side, Japanese Island (2000)., First collected in 1969.
Cultivated grounds (geographical groups) (1925). In propagating beds (1969). North of the Main Route road and west of Big Rock. Along gravel road between a woodland edge and an open area; growing on the open area side at the base of a small slope (20, First collected in 1925.
Hidden Lake Forest Preserve: waste ground (1993)., First collected in 1993.
N shore of Meadow Lake (1985)., First collected in 1985.
Cephalanthus bog (1925). Woods (1925). The Morton Arboretum (1925). By Schulenberg Prairie (1997). G109/area, woodland (2006). G109/area, woodland (2006)., First collected in 1925.
Growing out of gravel walk at back of Schulenberg residence (1970)., First collected in 1970.
East Side, along trail in field near Etter Marsh (1987). U96/area, in a wide, overgrown path cutting through woodland. NE of Bur Reed Marsh on slightly higher ground (2006). R79/area, NE of Crowley Marsh, open wetland (currently dry) dominated by Pha, First collected in 1987.
Propagating beds (1970)., First collected in 1970.
Japanese Island (2000)., First collected in 2000.
Crataegus meadow, moist place (1925). Along dry brook between Cornus & Amelanchier groups (1936). Prairie Restoration Project (1969). Hidden Lake Forest Preserve: along marsh area between DuPage River and artificial lake; unmowed area near edge of we, First collected in 1925.
The Morton Arboretum (1923). Along Meadow Rd near west intersection of Forest Rd (1940). East Woods (1980). Y115/area, E of Big Rock Visitor Station; dry creek bed in slightly open area of woodland, not far from trail (2006). NE of Appalachia Collect, First collected in 1923.
The Morton Arboretum (1923). Crataegus meadow (1923). Clearing (1925). Woodland border along new Forest Road (1936). Forest Road, E of Quercus group (1940). Old leaf collecting area near Aspen Collection (1960). G109/area, woodland (2006). F107/area,, First collected in 1923.
In Prairie Restoration Project (1969). East Side, waste ground of soil bank along south service drive, parallel to E-W Tollway (1970)., First collected in 1969.
Beds between greenhouses (1970). West Side, H-04 area along path to prairie (1990). West Side, in back of the Outpost, NN-31 area around mulches beds and lawn area (1999). East Side, Parking 7, prairie (2000). South end of P7 at the base of a woodchi, First collected in 1970.
Parking lot near Rhamnus Collection (1961)., First collected in 1961.
Meadow slope behind ravine (1924). Along roadside near Meadow (1936). Weed along Valley Road, just W of Parking 2 (1970). East Side, L-99/ area along N side of Forest Road; unmowed area (1990). East Side, Parking 7, prairie (2000). Grassy field SW of, First collected in 1924.
Weed on Island (1924)., First collected in 1924.
Along stream near Crataegus group (1946). East Woods (1991). Crowley Pond area, M-77 area; edge of deciduous forest (1997). W side of grounds along Thornhill Dr., KK-36/Area, scattered throughout (1999). Parking 8, along Oakwood Loop (2000). U96/area, First collected in 1946.
Along Forest Road (1940). Near E branch of DuPage River; edge of woodlands (1981). East Side, maple forest area, CC-109 area by N side of Forest Road (1990). East Side, by first turnoff return, K-78 area, Forest Rd; disturbed woods and roadside (1997, First collected in 1940.
West Side, in crabapple test area S of cemetery; EE-27 area in open field and growing on stump of dead tree (1990). E of P7, S of Main Trail Loop 4, in shrubby field N of the power lines (2007)., First collected in 1990.
Gravel pit, Cactus group (1925). Gravel pit, Cactus group (1925)., First collected in 1925.
In ditch along Joy Path (1969)., First collected in 1969.
Weed in Dogwood Collection (1961). Weed in beds between greenhouses (1970). Weed in Lonicera section of Shrub Collection (1970). East Side (2000)., First collected in 1961.
Park Blvd and end of Thornhill Trail (1961). West Side, J-03 area in savanna region near prairie; near the road (1990). West Side, Parking 23, near Sterling Pond (2000). Hidden Lake FP, East Side. Open area in woodland, along trail (2007)., First collected in 1961.
The Morton Arboretum (1923). Wasteland, roadside near Japan (1924). In lawn near Tilia collection (1969)., First collected in 1923.
Near Joy Path S of Thornhill Building (1961)., First collected in 1961.
Near spring (Ozark Nursery) (1924)., First collected in 1924.
Pool II (1923). Weed in geographical groups, Tamarack Swamp (1925). Along New Forest Road (1936). About AA-80 at road junction, in wet grassy area (1972). Service Area Road (2000). SE corner of Arboretum, N edge of Puffer Marsh (moist soil but no sta, First collected in 1923.
Waste places (1925). Weed in lawn at Arbordale (1961). Beside Oakwood Loop near Bulrush Pond, in recently graded ground (1972)., First collected in 1925.
Prairie meadow (1923). The Morton Arboretum (1925). Along Meadow Rd N of Parking 28 (1961)., First collected in 1923.
West Side, Temporary Parking, by Parking 17 and 18 (2000)., First collected in 2000.
The Morton Arboretum (1923). The Morton Arboretum (1923)., First collected in 1923.
East Side, N-92 area on W side of Forest Road; in open area by road (1990). Side of trail at edge of deciduous woods (1993). Arbor Lake, by Arbordale (2000). A few feet S of Big Rock, on E side of trail (2007)., First collected in 1990.
The Morton Arboretum (1923). Parking 18 (1961). In meadow area just S of Frost Hill (1970). L-99/area along north side of Forest Road. In an unmowed area (1990). East Side, Parking 7, prairie (2000). SE area of grounds, in an open area near P12, near, First collected in 1923.
The Morton Arboretum (1923)., First collected in 1923.
Along Oakwood Dirve (1937). Along Oakwood Dirve (1937)., First collected in 1937.
In pot in greenhouse (1971)., First collected in 1971., source: Original checklist.
Disturbed weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007). T84/area, weedy opening in woodland (2007)., First collected in 2007.
Wasteland near Japanese Island (1924). Waste places (1925)., First collected in 1924.
South Farm, alongside barn near Blk VII (1925). South Farm, weed in dooryard (1925)., First collected in 1925.
The Morton Arboretum (1923). Along Meadow Road near east boundary (1946). Schulenberg Prairie (2000). Near R79/area, along trail (2006). NE of Big Rock, near power lines on W side of access road. In a sparsely vegetated area at the woodland edge, not, First collected in 1923.
Pool I (1923). P95/area, west edge of Spikerush Marsh (no standing water at this time) in moist ground along a wooded edge (2006)., First collected in 1923.
R75/area, woodland (2006). F107/area, woodland (2006). East Side. S of Main Route at entrance to P7 (2007). East Side. N41.81269, First collected in 2006.
Hidden Lake Forest Preserve, East Side of the Arboretum (1985). V95/area. Fairly common in partial shade of Quercus alba (2006). East Side. A few individuals growing along worn-out path S of the Larch Collection and N of Main Trail Loop 2, in woodlan, First collected in 1985.
West Side (2000)., First collected in 2000.
Y115/area, E of Big Rock Visitor Station; dry creek bed in slightly open area of woodland, not far from trail (2006). East Side. Woodland across the road from Big Rock Visitor Station, near road by culvert, in moist soil (2007)., First collected in 2006.
The Morton Arboretum (1923). East Side, near road in oak-maple woods (1970). F107/area, woodland (2006). East Side. In woodland about 20' W of the worn-out path S of the Larch Collection and N of Main Trail Loop 2, on the bank of a dried-up creek bed, First collected in 1923.
The Morton Arboretum (1923). The Morton Arboretum (1923)., First collected in 1923.
In ditch through Prairie (1925). Prairie Restoration Project (1969). West Side, disturbed field or edge of woods in more mesic area; in area that is unmowed; in open areas (1996)., First collected in 1925.
The Morton Arboretum (1925)., First collected in 1925.
Pool near Japanese Island (1924). Ditch between Taxodium swamp and river (1925). Hidden Lake Forest Preserve: edge of gravel lake, mostly in water (1997). Arbor Lake (2000)., First collected in 1924.
Prairie (1925). Plot FF-94 (2007). Along East Woods Return in Darner Field; in low, grassy, open area near culvert (2007)., First collected in 1925.
The Morton Arboretum (1925)., First collected in 1925.
Schulenberg Prairie (2000)., First collected in 2000.
Along service road to Puffer Pond in SE corner of Arboretum (1987). East Side, near Parking 7; along edge of woods next to parking lot (1993). SE corner of Arboretum along service road directly N of Puffer Marsh, at woodland edge (2007)., First collected in 1987.
In unplanted prairie area formerly known as "the Eurasion Meadow" in Prairie Restoration (1987). Near Schulenberg Prairie at M-012 area (1998). Schulenberg Prairie (2000)., First collected in 1987.
Hidden Lake Forest Preserve: scattered in open areas (1998). East Side, Crabapple Lake (2000). SE corner of Arboretum, along service road, in open, grassy area E of Puffer Marsh, under power lines in dry soil (2007)., First collected in 1998.
The Morton Arboretum (1925). Near Tilia collection (1969). Weed in soil pile along S service, parallel to E-W Tollway (1970). L-99 area along N side of Forest Road; unmowed area (1990). West Side, Parking 17, Hatch Meadow (2000). South end of P7 at t, First collected in 1925.
Slusser Prairie at W end of Arboretum (1971). Hidden Lake Forest Preserve: first level of flood plain on E side of DuPage River; disturbed area (1996). East Side, the berm (2000). U96/area, NE of Bur Reed Marsh on slightly higher ground. In small, mo, First collected in 1971.
Open field near Ash Collection (1936). West Side, H-04 area along path to prairie (1990). Hidden Lake Forest Preserve: W side of large lake; disturbed area, unmowed area (1997). OO-22 area (1998). Schulenberg Prairie (2000). East Side, Parking 7, pra, First collected in 1936.
Prairie-meadow (1923). Prairie (1924). Upper Prairie (1925). Schulenberg Prairie (2000). Schulenberg Prairie (2000)., First collected in 1923.
Hidden Lake Forest Preserve (1985). Hidden Lake Forest Preserve: W side of large lake, fence road on Butterfield Road side, disturbed area, unmowed area (1997). Hidden Lake Forest Preserve (1998). Hidden Lake Forest Preserve. Open woodland dominated , First collected in 1985.
Open meadow area of Street Tree Collection (1970). Open meadow area W of Magnolia Collection (1970). J-107 area in SW portion of East woods; just off the road (1990). Along East Woods Return near Darner Field (2007)., First collected in 1970.
East Side, old Viburnum Collection (1970). West Side, N-010 area by bridge to prairie; unmowed area (1990). Schulenberg Prairie (2000)., First collected in 1970.
U95/area, NE area of Bur Reed Marsh along shrubby edge (2006)., First collected in 2006.
Residence grounds (1936). Residence grounds (1936). Sargents Glade (1936). Sargents Glade (1936). L-71 area (1972). Daffodil Glade, CC-19 area near parking 20A (1997). Fenceline of service road off Big Rock Interpretive Trail (2005). Fenceline of ser, First collected in 1936.
Weed in Shrub Collection in Lacey Land, SE of Osage Orange hedge (1965). South Farms (1991)., First collected in 1965.
The Morton Arboretum (1923). The Morton Arboretum (1923)., First collected in 1923. Illinois state endangered
R-56 area (1991). Deciduous woods (1993). E of Crabapple Lake, just E of service road to Tree Breeding Nursery, in slightly open woodland (2007)., First collected in 1991.
Sargent's Glade (1923). Amelanchier Group (1961). Between greenhouses (1970). East Side, SW collection, near parking 15 (2000). Along a worn-out path S of the Larch Collection near Main Trail Loop 2, in woodland (2007)., First collected in 1923.
West Side, in pond just W of Joy Path and E of Simonds Rd (1971). West Side, Joy Path (2000). West Side (2000)., First collected in 1971.
East Side, in field near Etter Marsh (1987)., First collected in 1987.
In moist ground, under high power lines just west of Puffer Lake (1970)., First collected in 1970.
Bank of lake near Japanese Island (1924). Lake near Japanese Group (1925)., First collected in 1924.
Moist places (1924). Along Meadow Road (1946). R79/area, NE of Crowley Marsh, open wetland (currently dry) dominated by Phalaris arundinacea (2006)., First collected in 1924.
Along woodland path, H-2 area (1984)., First collected in 1984.
In rich ground behind 4S-103 Lincoln Ave (1979)., First collected in 1979.
West Side, near spring (1924). Moist opening in woods near oak group (1925). Ditch through prairie (1925). Crabapple Lake (2000)., First collected in 1924.
In unplanted prairie area formerly known as "the Eurasian Meadow" in Prairie Restoration (1987). Near Schulenberg Prairie, I-05 area (1998). Schulenberg Prairie (2000). Near E border of Arboretum, W146/area, E of service road, N of Lacy Creek in a sh, First collected in 1987.
Open Woods (Pasture) (1923). W of Mey Spruce Plot (1936). Weed along service road on S border of Arboretum (1969). Meadow Lake (2000)., First collected in 1923.
Prairie (1924). Schulenberg Prairie (2000)., First collected in 1924.
Roadside, dry places (1923). Moist place near little creek, Prairie meadow (1924). The Meadow (1936)., First collected in 1923.
Spring Road 25' N of Legume Collection sign (1971). AA-80 area in wet grassy place (1972). East Side, along Oakwood Loop in open grassy field (1972). Z-80 area (1972). East Side, the berm (2000). SE corner of Arboretum, Puffer Marsh, E side of marsh,, First collected in 1971.
Prairie meadow (1924). West Side, H-04 area along path to prarie (1990). I-5 area (1998). Parking 24, past Spruce Hill (2000). Near E border of Arboretum, W146/area, E of service road, N of Lacy Creek in a shrubby field (2007)., First collected in 1924.
Moist lowland, S side Puffer Lake, E of cottage site (1964)., First collected in 1964.
The Morton Arboretum (1923). The Morton Arboretum (1923). Hemlock Hill (1936). Ravine Trail (1936). Along Forest Road (1940). East Woods (1941). East Woods (1946). Old Leaf Collection area near Aspen Collection (1960). East Woods on N branch of Oakwo, First collected in 1923.
Along Main Route in open area (2006)., First collected in 2006.
Above ravine (1924). East Side, weed in Old Viburnum Collection (1969)., First collected in 1924.
Wet meadow area on N side of Forest Road (1969). Low wet area on N side of Forest Rd (Crowley Pond) (1970). East Side, L-78 area, N side of Forest Road just before Ridge Road turnoff; open field of tall weeds (1990). In large clump near powerlines (1, First collected in 1969.
Along public road (1923). Nursery beds (1969). The berm (2000). Disturbed weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007)., First collected in 1923.
Waysides (1923). South Farm, waste places (1925). Near Colutea group (1941)., First collected in 1923.
Along Crabapple Trail (1935). Along Crabapple Trail (1935). S of Lake Road at rustic bridge over stream running into Lake Marmo (1935). Thicket bordering the Meadow (1941). Along Forest Rd (1960). Along Illinois Tree Trail (1969). East Side, near Par, First collected in 1935.
East bank of DuPage River, near Tilia Collection (1971). East bank of DuPage River, near Tilia Collection (1971). Hidden Lake Forest Preserve: gravelly waste ground E of Eagle Lake, along N border of Arboretum (1993). Far east side of Arboretum, near, First collected in 1971.
West Side, Parking 24, past Spruce Hill (2000). Along East Woods Return near Darner Field. In low area near culvert (2007)., First collected in 2000.
U96/area, NE of Bur Reed Marsh on slightly higher ground. In small, moist, shallow gully in woodland (2006)., First collected in 2006.
Low ground in Prairie (1925). T84/area, weedy opening in woodland (2006)., First collected in 1925.
Gravel pit behind caucasus(?) - group (1925). Forest Road (1936). Along path in East Woods (1987). Hidden Lake Forest Preserve: gravelly waste ground E of Eagle Lake, along N border of Arboretum (1993). Near side of road by powerlines (1998). Near Bi, First collected in 1925.
East Woods, N side of Forest Road (1962). East Woods - one plant within Research Study Plot 12 (M-114 area) and 8 others just SSW of the plot; most of plants near rotting logs, ground cover sparse, soil and leaf/twig litter moist; ground on a slight , First collected in 1962. Illinois state threatened
Hidden Lake Forest Preserve. A few trees growing along a path dominated by Lonicera maackii, just N of JS779 (2007)., First collected in 2007.
Along Forest Road (1936). Near Cedar Point (1969). West Side, H-04 area along path to prairie (1990). G-71 area, by Crabapple Lake (1998). East Side, Parking 7, prairie (2000). Near Thornhill (2000). E of P7, S of Main Trail Loop 4, in shrubby field , First collected in 1936.
West Side, in gravel of Parking 13 (1970)., First collected in 1970.
Upper end of Ravine Path (1925). In meadow along Forest Road (1969). West Side, in Prairie Restoration Project (1970). R79/area, NE of Crowley Marsh, open wetland (currently dry) dominated by Phalaris arundinacea (2006)., First collected in 1925.
Moist opening in woods near oak groups (1925). T77/area, woodland, on east-facing slope (2006)., First collected in 1925.
The Morton Arboretum (1923). Moist ground in Viburnum Collection (1961)., First collected in 1923.
Linden Group as part of turf (1972)., First collected in 1972.
East Side, grassy area of Magnolia Collection, along N side of Forest Rd (1970). S of Main Route at entrance to P7 (2007)., First collected in 1970.
H-25 area (1988)., First collected in 1988.
Prairie (1924)., First collected in 1924.
Near Thornhill Service Road (1961). East Side, near Parking 12, by prairie (2000). SE corner of Arboretum, along service road, in open, grassy area E of Puffer Marsh, under power lines in dry soil (2007)., First collected in 1961.
Tilia Collection (1969). East Side, the berm (2000)., First collected in 1969.
The Morton Arboretum (1925)., First collected in 1925.
East Side, S edge of Bur Reed Marsh (1970)., First collected in 1970.
Woods near oak group (1925). Chinese group (1936). Weed near Parking 18 (1961). Lawn of Tilia collection (1969). Weedy area along the NE shore of Puffer Lake (1970). West Side, along Simonds Rd in Crabapple collection, Z-31 area; open field area (199, First collected in 1925.
About O-11 on Arboretum grid, in meadow (1970)., First collected in 1970.
The Morton Arboretum (1923). Old field not far from map station #3, far east side of Arboretum (1970). Shrub border area around Prairie Restoration Area (1981). Near the maple forest (1989). R79/area, NE of Crowley Marsh, open wetland (currently dry), First collected in 1923.
Cultivated grounds (1925). The Morton Arboretum (1970). West Side, near Parking 18; outside fire ring around sand pit, disturbed sites (1997). Disturbed weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007)., First collected in 1925.
East Side, the berm (2000)., First collected in 2000.
The Morton Arboretum (1923). Mixed woods (1924). Border of woods near clearing (1925). Along Forest Road near Mey Spruce Plot (1936). Along Oakwood Loop (1969). East Side, W-117 area, N side of Forest Rd, beside road (1990). East Woods (1991). East W, First collected in 1923.
Malus groups (1925). In nursery beds (1969). East Side, weed in Deutzia Collection (1970). East woods (1991). East edge of Etter Marsh, not far from woodland. Marsh dominated by Phragmites australis and Typha (soil moist but no standing water at this, First collected in 1925.
Along Meadow Road (1936). Woodland N of Parking 29 (1961). E of old Fraxinus collection, just N of bridge on Main Trail Loop 4. Sugar maple dominated woodland (2007). N edge of Etter Marsh, close to woodland (2007)., First collected in 1936.
Prairie (1924). T77/area, woodland, on east-facing slope (2006)., First collected in 1924.
Waste places (1924). Waste ground of soil bank along south service drive parallel to E-W Tollway (1970). Disturbed weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007)., First collected in 1924.
Waste ground of soil bank along S service drive parallel to E-W Tollway (1970)., First collected in 1970.
The Morton Arboretum (1923). Woodland north of Parking 29 (1961). East Woods ca. 100 feet NE of Oak Collection parking lot (1974)., First collected in 1923.
The Morton Arboretum (1923). Pool I (1924). Weed near Joy Path S of Thornhill Building (1961). Wet woods (1982). Small wetland in woods S of Oakwood Loop Rd and W of Parking 9 (1988). East Side. U95/area, in a very overgrown, moist "path." (2006). Ea, First collected in 1923.
Prairie (1924)., First collected in 1924.
East Side, University of Illinois Drug Station (1971)., First collected in 1971.
The Morton Arboretum (1923). Prairie Restoration Project (1970). East Side, median of Hwy 53, G-36 area (1990). East Side, Service area (2000)., First collected in 1923.
Near spring in western part of Arboretum (1924). Moist places near Japanese Island (1924)., First collected in 1924.
East Side, near Parking 12, by prairie (2000)., First collected in 2000.
The Morton Arboretum (1924). Prairie (1924). Weed in Prairie Restoration Project (1969). Disturbed weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007)., First collected in 1924.
Weed along south service drive, parallel to E-W Tollway (1970). U95/area, in a very overgrown, moist "path." (2006). U96/area, in a wide, overgrown path cutting through woodland. NE of Bur Reed Marsh on slightly higher ground (2006). East edge of Ett, First collected in 1970.
Low ground along Thornhill Service Road (1961). Crowely Pond (1991). Forest Edge Loop, off Forest Rd (2000). SE corner of Arboretum, along service road, in open, grassy area E of Puffer Marsh, under power lines in dry soil (2007)., First collected in 1961.
The Morton Arboretum (1923). The Morton Arboretum (1923). Around V-11, in lawn near Cedar Point (1969). East Side, along Meadow Road (1970). East Side, along Meadow Road (1970). Caucasian Collection of woody plants (1971). Back to Thornhill (2000). N, First collected in 1923.
East edge of Etter Marsh, not far from woodland (2007)., First collected in 2007.
West of Parking 5 near Thornhill Building (1961)., First collected in 1961.
Dogwood portion of the Shrub Collection (1971). Dogwood Collection, i.e. within the Shrub Collection in Lacey Land (1971)., First collected in 1971.
Open woods, between geog region groups and Walnut plots (1925)., First collected in 1925.
The Morton Arboretum (1924). Roadside W of Arbordale (1961). East Side, weedy open meadow area of Street Tree Collection (1970). East Side, Parking 7, prairie (2000). SE area of grounds, along gravel service road leading south from P12, through woodl, First collected in 1924.
Bank of river, near iron bridge, beginning of Philadelphus group (1925). Weedy area along NE shore of Puffer Lake (1970). Weedy area along NE shore of Puffer Lake (1970). West Side, on road to restored prairie, near N-08 (1982)., First collected in 1925.
Schulenberg Prairie, DuPage River branch; developing prairie (1997)., First collected in 1997.
East Side, weedy, grassy area of Street Tree Collection (1970)., First collected in 1970.
The Morton Arboretum (1923). Weed S of greenhouse (1969). East Woods (1991). West Side, Parking 23 (2000)., First collected in 1923.
I-5/area (1998). Schulenberg Prairie (2000). Hidden Lake Forest Preserve. Shrubby edge of a large woodland opening, along trail (2007)., First collected in 1998.
Near little creek, Prairie (1924)., First collected in 1924.
Weedy area along NE shore of Puffer Lake (1970)., First collected in 1970.
Weed along path through Pyrus group (1925). Hidden Lake Forest Preserve: in path SE from parking (1996). Behind Thornhill, in ruderal and bare ground with a high nitrogen content (2002)., First collected in 1925.
Wasteland, roadside near Japanese Island (1924)., First collected in 1924.
Tilia Collection (1969). Prairie Restoration Project (1970). East Side, FF-67 area, a lawn weed in Eastern U.S. Wetlands collection area on N side of Forest Road (1990). West Side, disturbed field or edge of woods in more mesic area; in unmowed area;, First collected in 1969.
The Morton Arboretum (1923). Along Forest Rd (1936)., First collected in 1923.
Crataegus meadow; moist (1923). Hidden Lake Forest Preserve: near parking lot, in a disturbed area (1997). S of Europaean collection, mostly open areas; W-34 area (1998). East Side, Parking 7, prairie (2000). Frost Hill (2000). Along East Woods Retur, First collected in 1923.
European Collection (1970)., First collected in 1970.
Hidden Lake Forest Preserve (1981). East Side. Disturbed, weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007)., First collected in 1981.
Nurseries (1924). In beds of shrub group (1969). Prairie Restoration Project (1969). In propagation beds S of greenhouses (1971). Disturbed weedy area by the gravel lot near W entrance to Tree Breeding Nursery (2007)., First collected in 1924.
In Meadow Lake (1971). Arbor Lake, ENE side of lake about 5 m from shore and 3 m deep submerged in lake (1982)., First collected in 1971.
Lake near Japanese Island (1924). Puffer Lake (1970)., First collected in 1924.
Lake Marmo (1991). Lake Marmo (2000)., First collected in 1991.
In dry soil under step to back entrance of greenhouse (1970)., First collected in 1970.
In peony beds near greenhouses (1987)., First collected in 1987.
The Morton Arboretum (1923). Along East Woods Return in Darner Field; in low, grassy, open area near culvert (2007)., First collected in 1923.
Along Joy Path (1984)., First collected in 1984.
Schulenberg Prairie (2000)., First collected in 2000.
East Woods, N side of E-W path S of large Walnut along road (1962). East Woods, N side of E-W path S of large Walnut along road (1962). S of west intersection of Forest Road & Meadow Road, N of trail 26 (1971). East Side, in woodland (2006). E of old, First collected in 1962.
The Morton Arboretum (1923). Clearing opposite Cephalanthus bog (1925). Schumacher Forestry Plots (1946). East Woods (2000). S of P7, N of berm and power lines in shrubby field, not far from woodland (2007)., First collected in 1923.
Woods opposite Crataegus meadow (1924). Entrance to Ravine path (1924). Pool I (1924). Pool I (1924). East Woods (1946). Along roadside, N branch of Oakwood Loop (1970). East Side, L-99 area along N side of Forest Rd; unmowed area (1990). East Side, , First collected in 1924.
Along Forest Road in thicket (1935). Thicket, Forest Road (1935). Lake Marmo, E end (1946). Near Parking 34 along N branch of Oakwood Loop (1973). Hidden Lake Forest Preserve: backwoods area along trail, edge of woods (1997). Hidden Lake Forest Prese, First collected in 1935.
Forest Road (1935). Gulch Trail (1936). SE area of grounds, along gravel service road leading south from P12, through woodland (2007). Hidden Lake FP, East Side. In woodland along a trail (2007). Plot DD-90. Woodland, groundcover sparse (2007)., First collected in 1935.
The Morton Arboretum (1923). Sargent's Glade (1936). Along path leading W from Thornhill, just E of junction of Simonds Rd & Round Meadow Ln (1970). West Side, J-03 area in savanna region near prairie (1990). Extreme E edge near old prairie and edge , First collected in 1923.
The Morton Arboretum (1923). Schulenberg Prairie (2000)., First collected in 1923.
Old leaf collecting area near Aspen Collection (1960). NE of Etter Marsh, S of Loop 4, in woodland (2006). R79/area, NE of Crowley Marsh in open wetland (currently dry) dominated by Phalaris arundinacea. Single individual near Carex sp (2006). T77/ar, First collected in 1960.
East Woods (1935). Lacey cut-over land (1936)., First collected in 1935.
Far E side of Arboretum, along W side of service road and power lines. Groundcover sparse (2007)., First collected in 2007.
West shore of Lake Marmo (1935)., First collected in 1935.
The Morton Arboretum (1923)., First collected in 1923.
The Morton Arboretum (1923). Woods opposite Crataegus Meadow (1925). Crataegus Meadow (1925). Meadow Road (1936). West Woods, W of Parking 9 (1970). Schulenberg Prairie (2000). Along East Woods Return. In low, slightly open area of woodland not far f, First collected in 1923.
The Morton Arboretum (1924). Pine Hill, above Gravel Pit (1946). West Side, H-04 area along path to prairie (1990). Bur Reed Marsh (1993). West Side, Ozark Island, by Ozarks (2000). Hidden Lake FP, East Side. Large opening in woodland, on a rocky SE-, First collected in 1924.
Roadside near Crataegus meadow (1924). Dwarf Collection beds (1969). In gravel along path 42 just W of Round Meadow Lane (1970)., First collected in 1924.
Hemlock Hill (1936). Weed in Ash Collection (1969). In disturbed West Woods, W of Parking 9 (1970). East Side, near Parking 12, by prairie (2000). E of P7, S of Main Trail Loop 4, near E-111, in a shrubby field (2007)., First collected in 1936.
Dogwood Collection (1961). In lawn just E of greenhouse 1 (1970)., First collected in 1961.
Hidden Lake Forest Preserve. Shrubby edge of a large woodland opening, along trail (2007)., First collected in 2007.
Sargent's Glade (1936). Near Simonds Road and Arbordale Gate (1961). Growing S of greenhouse (1969). West Side, N-010 area beside the bridge to the prairie; unmowed area beside stream (1990). East Side, Outer east edge (2000). Y115/area, E of Big Roc, First collected in 1936.
Weed along service drive which forms S border of Arboretum parallel to E-W Tollway (1970)., First collected in 1970.
The Morton Arboretum (1923). The Morton Arboretum (1923). Base of Hemlock Hill (1935). East Side, in native woods near Parking 34 (1973). N side of Arboretum near MM-44 in Oak woods in back of King's Court Rd off Park Blvd (1984). East Woods, in vici, First collected in 1923.
The Morton Arboretum (1923). Crowley Pond (1991). Hidden Lake Forest Preserve: in disturbed grassland area above marsh region (1997). East edge of Etter Marsh, not far from woodland. Marsh dominated by Phragmites australis and Typha (soil moist but n, First collected in 1923.
Thicket S of Forest Road (1935). Along service road to Puffer Pond in SEt corner of Arboretum (1987). Hidden Lake Forest Preserve. Open woodland dominated by Lonicera maackii, Rhamnus cathartica, and Robinia pseudoacacia. Note: there is a concrete fo, First collected in 1935.
The Morton Arboretum (1923). Along shaded roadside of Oakwood Loop (1961). Weed in dwarf planting group (1969). The Morton Arboretum grounds (1969)., First collected in 1923.
Along DuPage River (1924). Hidden Lake Forest Preserve: along marsh area between DuPage River and artificial lake; marsh; in low area near edge of wet meadow (1996). East Side, Parking 16 (2000). SE corner of Arboretum, SE corner of Puffer Marsh (moi, First collected in 1924.
Nurseries (1924). Nurseries (1924). Weed in cracks of streets in Arbordale (1985)., First collected in 1924.
Moist open woods off Simonds Road, SE of Thornhill (1974). N of Meadow Lake, T-49 area, NE of cactus bed in weedy open ground (1996)., First collected in 1974.
Rhamnus group (1947)., First collected in 1947.
The Morton Arboretum (1923). The Morton Arboretum (1924). Sargent's Glade (1936). Hemlock Hill, near W end (1947). Just off of entrance road which leads into S area of Prairie Restoration Project (1972). In grassy area of Geographic Group (Taxodium) , First collected in 1923.
Dwarf Shrub Collection (1969). On entrance gate off of Finley Rd (1970). In Arbordale, clambering over a bush north of Arbor Lake (1977). SE corner of Arboretum, in wooded area along service road directly N of Puffer Marsh (2007)., First collected in 1969.
Balkan Collection (1975). West Side, just N of Iron Bridge (1977). J-107 area in SW portion of East woods; just off the road (1990). Arbordale (2000). Growing on a Quercus alba along Main Route, W of P14 and Beech Collection (2007)., First collected in 1975.