| 1 (2) | United States Department of Agriculture | USA |  |
| 2 (31) | University of Florida * | USA |  |
| 3 (44) | University of Michigan, Ann Arbor * | USA | |
| 4 (50) | Harvard University * | USA | |
| 5 (52) | Oregon State University | USA | |
| 6 (56) | Stanford University * | USA | |
| 7 (58) | Cornell University * | USA | |
| 8 (60) | University of Nebraska, Lincoln | USA | |
| 9 (64) | National Aeronautics and Space Administration * | USA | |
| 10 (68) | University of California, Davis * | USA | |
| 11 (82) | University of Illinois at Urbana-Champaign * | USA | |
| 12 (86) | United States Geological Survey | USA | |
| 13 (90) | Purdue University | USA | |
| 14 (94) | Michigan State University | USA | |
| 15 (97) | North Carolina State University | USA | |
| 16 (118) | Washington State University, Pullman * | USA | |
| 17 (130) | University of Wisconsin, Madison * | USA | |
| 18 (136) | University of Georgia | USA | |
| 19 (137) | University of California, Berkeley * | USA | |
| 20 (143) | Pennsylvania State University * | USA | |
| 21 (150) | Texas A&M University, College Station * | USA | |
| 22 (151) | University of California, Los Angeles * | USA | |
| 23 (152) | Jet Propulsion Laboratory | USA | |
| 24 (155) | Colorado State University, Fort Collins * | USA | |
| 25 (169) | Columbia University * | USA | |
| 26 (175) | National Center for Atmospheric Research | USA | |
| 27 (176) | University of Massachusetts, Amherst | USA | |
| 28 (182) | University of Washington * | USA | |
| 29 (184) | Northern Arizona University | USA | |
| 30 (188) | University of Maryland, College Park * | USA | |
| 31 (195) | Utah State University * | USA | |
| 32 (208) | University of Idaho | USA | |
| 33 (209) | California Institute of Technology * | USA | |
| 34 (211) | National Oceanic and Atmospheric Administration | USA | |
| 35 (218) | Arizona State University * | USA | |
| 36 (228) | Duke University * | USA | |
| 37 (230) | NASA Goddard Space Flight Center | USA | |
| 38 (238) | University of Arizona * | USA | |
| 39 (239) | Ohio State University, Columbus * | USA | |
| 40 (242) | Lawrence Berkeley National Laboratory * | USA | |
| 41 (245) | University of Minnesota, Twin Cities * | USA | |
| 42 (252) | University of Utah * | USA | |
| 43 (258) | Virginia Polytechnic Institute and State University * | USA | |
| 44 (274) | University of Virginia * | USA | |
| 45 (280) | Indiana University-Bloomington | USA | |
| 46 (298) | University of Missouri, Columbia * | USA | |
| 47 (300) | Auburn University | USA | |
| 48 (304) | University of Colorado, Boulder * | USA | |
| 49 (305) | University of Montana, Missoula | USA | |
| 50 (307) | The Nature Conservancy, USA | USA |  |
| 51 (317) | Louisiana State University, Baton Rouge | USA | |
| 52 (319) | University of Maine, Orono | USA | |
| 53 (330) | Smithsonian Institution * | USA | |
| 54 (333) | Mississippi State University | USA | |
| 55 (337) | University of Tennessee, Knoxville * | USA | |
| 56 (342) | University of Nevada-Reno | USA | |
| 57 (343) | Oak Ridge National Laboratory | USA | |
| 58 (350) | Boston University * | USA | |
| 59 (353) | University of Delaware | USA | |
| 60 (355) | University of Kentucky * | USA | |
| 61 (363) | University of California, Riverside | USA | |
| 62 (367) | Iowa State University | USA | |
| 63 (401) | State University of New York, College of Environmental Science and Forestry | USA | |
| 64 (410) | University of New Hampshire | USA | |
| 65 (412) | Kansas State University | USA | |
| 66 (435) | University of Vermont | USA | |
| 67 (453) | Michigan Technological University | USA | |
| 68 (455) | University of California, Santa Barbara | USA | |
| 69 (459) | Virginia Commonwealth University * | USA | |
| 70 (464) | Clemson University | USA | |
| 71 (465) | West Virginia University * | USA | |
| 72 (470) | University of New Mexico * | USA | |
| 73 (471) | University of California, Irvine * | USA | |
| 74 (478) | Pacific Northwest National Laboratory * | USA | |
| 75 (507) | Oklahoma State University, Stillwater * | USA | |
| 76 (530) | Montana State University, Bozeman | USA | |
| 77 (553) | University of Oregon | USA | |
| 78 (577) | Woodwell Climate Research Center | USA | |
| 79 (598) | Stephen F Austin State University | USA | |
| 80 (635) | University of Wisconsin, Stevens Point | USA | |
| 81 (639) | Louisiana State University Agricultural Center | USA | |
|
