| 1 (2) | United States Department of Agriculture | USA |  |
| 2 (10) | Stanford University * | USA |  |
| 3 (15) | Harvard University * | USA | |
| 4 (16) | University of Florida * | USA | |
| 5 (17) | National Aeronautics and Space Administration * | USA | |
| 6 (24) | Michigan State University | USA | |
| 7 (25) | Pennsylvania State University * | USA | |
| 8 (30) | The University of British Columbia | CAN | |
| 9 (36) | University of California, Berkeley * | USA | |
| 10 (41) | Colorado State University, Fort Collins * | USA | |
| 11 (47) | Oregon State University | USA | |
| 12 (48) | Natural Resources Canada | CAN | |
| 13 (49) | National Oceanic and Atmospheric Administration | USA | |
| 14 (50) | University of Illinois at Urbana-Champaign * | USA | |
| 15 (51) | University of Nebraska, Lincoln | USA | |
| 16 (56) | California Institute of Technology * | USA | |
| 17 (57) | United States Geological Survey | USA | |
| 18 (60) | University of Wisconsin, Madison * | USA | |
| 19 (64) | Jet Propulsion Laboratory | USA | |
| 20 (65) | Kansas State University | USA | |
| 21 (66) | University of Connecticut, Storrs * | USA | |
| 22 (71) | University of Washington * | USA | |
| 23 (73) | North Carolina State University | USA | |
| 24 (82) | Cornell University * | USA | |
| 25 (94) | Indiana University-Bloomington | USA | |
| 26 (95) | Iowa State University | USA | |
| 27 (96) | University of California, Merced | USA | |
| 28 (98) | University of California, Davis * | USA | |
| 29 (99) | University of Idaho | USA | |
| 30 (101) | Northern Arizona University | USA | |
| 31 (102) | Washington State University, Pullman * | USA | |
| 32 (109) | University of Colorado, Boulder * | USA | |
| 33 (112) | University of Alberta | CAN | |
| 34 (115) | Universite du Quebec en Quebec * | CAN | |
| 35 (116) | University of Georgia | USA | |
| 36 (119) | Duke University * | USA | |
| 37 (121) | Purdue University | USA | |
| 38 (122) | University of Guelph | CAN | |
| 39 (124) | Ohio State University, Columbus * | USA | |
| 40 (132) | NASA Goddard Space Flight Center | USA | |
| 41 (136) | Arizona State University | USA | |
| 42 (139) | Utah State University * | USA | |
| 43 (142) | Lawrence Berkeley National Laboratory * | USA | |
| 44 (154) | University of Michigan, Ann Arbor * | USA | |
| 45 (156) | Oak Ridge National Laboratory | USA | |
| 46 (173) | University of California, Los Angeles * | USA | |
| 47 (174) | Virginia Polytechnic Institute and State University | USA | |
| 47 (174) | Yale University * | USA | |
| 49 (179) | Texas A&M University, College Station * | USA | |
| 50 (184) | University of Arizona * | USA | |
| 51 (186) | University of New Hampshire | USA | |
| 52 (188) | University of Kentucky * | USA | |
| 53 (189) | University of Toronto | CAN | |
| 54 (196) | University of Minnesota, Twin Cities * | USA | |
| 55 (197) | University of Nevada-Reno | USA | |
| 56 (199) | McGill University | CAN | |
| 57 (204) | US Environmental Protection Agency | USA | |
| 58 (207) | University of Utah * | USA | |
| 59 (208) | Laval University | CAN | |
| 60 (211) | University of North Carolina, Chapel Hill * | USA | |
| 61 (216) | University of New Brunswick | CAN | |
| 62 (221) | University of Montana, Missoula | USA | |
| 63 (231) | University of Missouri, Columbia * | USA | |
| 64 (234) | University of Alabama, Tuscaloosa | USA | |
| 65 (254) | Rutgers, The State University of New Jersey | USA | |
| 66 (255) | University of Virginia * | USA | |
| 67 (258) | State University of New York, College of Environmental Science and Forestry | USA | |
| 68 (261) | Universite du Quebec en Chicoutimi | CAN | |
| 69 (269) | Universite du Quebec en Montreal | CAN | |
| 70 (270) | University of Maine, Orono | USA | |
| 71 (271) | University of Hawaii, Manoa * | USA | |
| 72 (276) | University of Vermont | USA | |
| 73 (282) | Pacific Northwest National Laboratory | USA | |
| 74 (283) | University of Maryland, College Park * | USA | |
| 75 (285) | Universite du Quebec en Abitibi-Temiscamingue | CAN | |
| 76 (287) | Humboldt State University | USA | |
| 77 (288) | Agriculture and Agri-Food Canada | CAN | |
| 78 (289) | Mississippi State University | USA | |
| 79 (297) | University of Tennessee, Knoxville * | USA | |
| 80 (304) | University of Massachusetts, Amherst | USA | |
| 81 (310) | Oklahoma State University, Stillwater | USA | |
| 82 (311) | Clemson University | USA | |
| 83 (319) | Auburn University | USA | |
| 84 (320) | University of Maryland, Baltimore | USA | |
| 85 (327) | Michigan Technological University | USA | |
| 86 (329) | West Virginia University * | USA | |
| 87 (332) | Louisiana State University, Baton Rouge | USA | |
| 88 (342) | Universite du Quebec en Outaouais | CAN | |
| 89 (343) | Montana State University, Bozeman | USA | |
| 90 (358) | University of Victoria | CAN | |
| 91 (375) | University of Waterloo | CAN | |
| 92 (382) | Lakehead University | CAN | |
| 93 (411) | New Mexico State University | USA | |
| 94 (436) | University of Northern British Columbia | CAN | |
| 95 (444) | Louisiana State University Agricultural Center | USA |  |
|
