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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC275316
Muhlenbergia microsperma
Steve Boyd
1986-2-6
1233
Imperial
Cargo Muchacho Mountains: Large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Road and Power-line Road
Comment
CAS-BOT-BC275317
Muhlenbergia microsperma
Roxana S. Ferris
1928-4-22
7174
Imperial
5 miles S of Midway Well on the Blythe - Glamis Road
Comment
CAS-BOT-BC275318
Muhlenbergia microsperma
C. L. Hitchcock; C. V. Muhlick
1964-3-21
23216
Imperial
About 30 miles N of Ogilby
Comment
CAS-BOT-BC275319
Muhlenbergia microsperma
Noel H. Holmgren; Patricia K. Holmgren
1973-3-29
6543
Imperial
Picacho Road, 2 miles S of Picacho, 19 airline miles N of Yuma
106
Comment
CDA18526
Muhlenbergia microsperma
Frank B. McMurry
1943-1
1286
Imperial
Sonoran Desert; Imperial National Wildlife Refuge.
0
Comment
CDA32546
Muhlenbergia microsperma
T. C. Fuller
1976-12-14
20180
Imperial
Colorado Desert; 2 km south of Picacho Campground.
0
Comment
CDA32547
Muhlenbergia microsperma
T. C. Fuller
1977-10-26
20232
Imperial
Below a prominent overhanging cliff, ca. 1.6 km west of Army Road, ca. 7 km south of Wiley Well in northeastern Imperial County,
0
Comment
CHSC13244
Muhlenbergia microsperma
Larry C. Higgins
1973-3-26
6374
Imperial
Ca. 20 miles northwest of Winterhaven along Olgsby road.
Comment
GMDRC2972
Muhlenbergia microsperma
J. Andre, T. La Doux
2009-2-26
9881
Imperial
Palo Verde Mountains: Palo Verde Mountains: along major power line corridor (Palo Verde Road) that runs north-south through mountains 33 deg. 18.249' N 114 deg. 47.281' W. - 598 ft.
182
Comment
HSC100064
Muhlenbergia microsperma
Frank McMurry
1943-1
1286
Imperial
Sonora Desert, Imperial National Wildlife Refuge.
Comment
HSC10398
Muhlenbergia microsperma
C. L. Hitchcock, C. V. Muhlick
1964-3-21
23216
Imperial
30 mi. N of Ogilby
Comment
HSC27309
Muhlenbergia microsperma
J. O. Sawyer
1973-3-25
2480
Imperial
W of Algodones Dunes 1 mile S of Glamis.
5
Comment
HSC85342
Muhlenbergia microsperma
Steve Boyd
1986-2-6
1233
Imperial
Cargo Muchacho Mtns., large canyon at SE end of mountains, 5.4 mi. NE of I-8 off Sidewinder Rd. and Power-line Rd.
Comment
POM184107
Muhlenbergia microsperma
P. A. Munz, CL Hitchcock
1932-4-5
12148
Imperial
2 miles north of Cargo Muchacho Mts.
Comment
RSA0034199
Muhlenbergia microsperma
Duncan S. Bell, Kim Clark, Keir Morse, Donna Thomas, Adriana Van Klaveren
2013-3-9
4501
Imperial
Chocolate Mountains; at the meeting point of Picacho Road and Little Picacho Wash, approximately 1.7 air miles southeast of Picacho Peak.
156
Comment
RSA124237
Muhlenbergia microsperma
E. K. Balls, Percy C. Everett
1958-3-20
22926
Imperial
3.7 mi. N of Ogilby on road to Blythe.
152
Comment
RSA254126
Muhlenbergia microsperma
Noel Holmgren, Patricia K. Holmgren
1973-3-29
6543
Imperial
Picacho Road, 2 miles south of Picacho, 19 airline miles north of Yuma
107
Comment
RSA388026
Muhlenbergia microsperma
Steve Boyd
1986-2-6
1233
Imperial
Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd.
Comment
RSA643598
Muhlenbergia microsperma
Jon P. Rebman, L. Renfro
1997-11-19
4759
Imperial
Northwest of Yuma: east of Ogilby Road along Indian Pass Road at Chemgold Company's Imperial Project. T13S R21E S32-33.
Comment
RSA766051
Muhlenbergia microsperma
Jim Andre, Tasha La Doux
2009-2-26
9881
Imperial
Palo Verde Mountains: along major power line corridor (Palo Verde Road) that runs north-south through mountains.
182
Comment Read comments Oct 30 2012
RSA87368
Muhlenbergia microsperma
F. W. Peirson
1932-3-22
9805
Imperial
Midway Well.
152
Comment
SD128012
Muhlenbergia microsperma
Michael Curto
1989-9-20
610
Imperial
Chocolate Mts, 10 air mi W of Picacho, NE from Hwy S34, Indian Pass area NW of Indian Pass/Gavilan Wash jct
299
Comment
SD142282
Muhlenbergia microsperma
Jon Rebman, L. Renfro
1997-11-19
4759
Imperial
Northwest of Yuma: E of Ogilby Road along Indian Pass Road at Chemgold Company's Imperial Project
Comment
SD156568
Muhlenbergia microsperma
Steven P. McLaughlin, J. E. Bowers
1985-3-6
2882
Imperial
Common in densely vegetated wash, 5.1 miles south of Wiley Well. (IPB 10/07)
Comment
SD190587
Muhlenbergia microsperma
Larry Hendrickson, Jon Rebman, et al.
2005-4-16
3200
Imperial
Picacho State Recreation Area, south side of Colorado River, and north of main access road.
63
Comment
SD250584
Muhlenbergia microsperma
Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming
2014-9-24
28749
Imperial
Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road
132
Comment
SD250585
Muhlenbergia microsperma
Jon Rebman, J. LaGrange & W. Schmidtmann
2014-9-24
28703
Imperial
Northeast of the Algodones Dunes: along Ogilby Road (S34) between I-8 & Hwy 78; in a wash just south of Indian Pass Road
189
Comment
SD253342
Muhlenbergia microsperma
Duncan S. Bell, Kim Clark, Keir Morse, Donna Thomas, Adriana VanKlaveren
2013-3-9
4501
Imperial
Colorado Desert; Chocolate-Chuckwalla Mountains region: Chocolate Mountains; at the meeting point of Picacho Road and Little Picacho Wash, approximately 1.7 air miles SE of Picacho Peak
156
Comment
SD260160
Muhlenbergia microsperma
A. C. Sanders, Jim Malusa
2016-3-17
42338
Imperial
Sonoran (Colorado) Desert: Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass (Augustine Pass 7.5'Q)
629
Comment
SD260161
Muhlenbergia microsperma
A. C. Sanders, Jim Malusa
2016-3-17
42333
Imperial
Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. At west side of Surveyors Pass (Augustine Pass 7.5'Q)
662
Comment
SD79821
Muhlenbergia microsperma
Helen V. Witham
1970-12-14
1187
Imperial
in wash, In-Ko-Pah Gorge
399
Comment
SDSU3277
Muhlenbergia microsperma
Richard C. Schwenkmeyer
1975-2-21
Imperial
Collected on east side Fish Creek Mountain
67
Comment
SEINET13262582
Muhlenbergia microsperma
A. C. Sanders, Jim Malusa
2016-1
42333
Imperial
Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. at west side of Surveyors Pass
663
Comment
SEINET212452
Muhlenbergia microsperma
Noel H. Holmgren, Patricia K. Holmgren
1973-3-29
6543
Imperial
Picacho Road 2 miles south of Picacho 19 airline miles north of Yuma.
107
Comment
SEINET236147
Muhlenbergia microsperma
Frank B. McMurry
1943-12-3
1286
Imperial
3 miles northwest of Control TOwer Imperial Dam. Small wash above rock quarry.
107
Comment Read comments Sep 2 2016
SEINET3239859
Muhlenbergia microsperma
Larry Hendrickson, Jon Rebman, et al.
2005-1
3200
Imperial
Picacho State Recreation Area, south side of Colorado River, and north of main access road.
63
Comment
UC1146061
Muhlenbergia microsperma
C. L. Hitchcock and C. V. Muhlick
1964-3-21
23216
Imperial
about 30 mi n Ogilby
Comment
UC1998408
Muhlenbergia microsperma
Frank B. McMurry
1943-12-3
1286
Imperial
3 miles northwest of control Tower, Imperial Dam, Imperial County, California. Small wash above rock quarry.
Comment Read comments Dec 12 2015
UCD86823
Muhlenbergia microsperma
E. K. Balls; P. C. Everett
1958-3-20
22926
Imperial
3.7 mi. n. of Ogilby on road to Blythe. Creosote Bush Scrub Plant Community.
152
Comment
UCR108083
Muhlenbergia microsperma
Jon P. Rebman, L. Renfro
1997-11-19
4759
Imperial
Sonoran (Colorado) Desert, NW of Yuma, east of Ogilby Rd along Indian Pass Rd at Chemgold Company's Imperial Project.
Comment
UCR249845
Muhlenbergia microsperma
T. B. Salvato, Fred M. Roberts, Tim Thomas, R. T. Hawke, Mitch Provance
2013-3-13
7330
Imperial
Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 0.8 km southwest of Rainey Well, north of the powerline road and east of the cut-off road between the well and powerline road
534
Comment
UCR262322
Muhlenbergia microsperma
Duncan S. Bell, Kim Clark, Keir Morse, Donna Thomas, Adriana VanKlaveren
2013-3-9
4501
Imperial
Colorado (Sonoran) Desert, Chocolate Mountains, at the meeting point of Picacho Road and Little Picacho Wash, c. 1.7 air mi southeast of Picacho Peak
156
Comment
UCR264788
Muhlenbergia microsperma
Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming
2014-9-24
28749
Imperial
Sonoran (Colorado) Desert, Milpitas Wash just west of Hwy 78; south of Palo Verde and south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road
133
Comment
UCR269740
Muhlenbergia microsperma
A. C. Sanders, Jim Malusa
2016-3-17
42333
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. at west side of Surveyors Pass
663
Comment
UCR269834
Muhlenbergia microsperma
A. C. Sanders, Jim Malusa
2016-3-17
42338
Imperial
Sonoran (Colorado) Desert, Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass
629
Comment
UCR277794
Muhlenbergia microsperma
Jim Malusa
2016-11-1
s.n.
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 2.34 miles SW (224 deg. ) of Mount Barrow
457
Comment
UCR33676
Muhlenbergia microsperma
Sears
1978-3-14
708
Imperial
Sonoran (Colorado) Desert, 8 mi NW of Winterhaven, 7 mi NW of US Hwy 80. Picacho Road just across All American Canal in Picacho Wash
55
Comment
UCR48442
Muhlenbergia microsperma
Steve Boyd
1986-2-6
1233
Imperial
Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road
183
Comment
UCR57967
Muhlenbergia microsperma
S. P. McLaughlin
1988-11-16
4317
Imperial
Sonoran (Colorado) Desert, Road to Picacho State Recreation area, 3.6 mi south of the park. north of Picacho Mines
137
Comment
SEINET10522270
Muhlenbergia microsperma
Noel H. Holmgren, Patricia K. Holmgren
1973-3-29
Holmgren 6543
Imperial
Picacho Road, 2 mi S of Picacho, 19 airline mi N of Yuma. Locally common on banks of wash under paloverde tree.
107
Comment