| 0 | W6 2153 | R1001 | Parthenium argentatum A. Gray | Chihuahua, Mexico | PARL | | Not Available | 1018553 |
| 1 | W6 2154 | R1002 | Parthenium argentatum A. Gray | Chihuahua, Mexico | PARL | | Not Available | 1018558 |
| 2 | W6 2155 | R1003 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018566 |
| 3 | W6 2156 | R1004 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018571 |
| 4 | W6 2157 | R1005 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018576 |
| 5 | W6 2158 | R1006 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018582 |
| 6 | W6 2159 | R1007 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018587 |
| 7 | W6 2160 | R1008 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018594 |
| 8 | W6 2161 | R1009 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018599 |
| 9 | W6 2162 | R1010 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018606 |
| 10 | W6 2163 | R1011 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018611 |
| 11 | W6 2164 | R1012 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018617 |
| 12 | W6 2165 | R1013 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018621 |
| 13 | W6 2166 | R1014 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018628 |
| 14 | W6 2167 | R1015 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018633 |
| 15 | W6 2168 | R1016 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018639 |
| 16 | W6 2169 | R1017 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018644 |
| 17 | W6 2170 | R1018 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018650 |
| 18 | W6 2171 | R1019 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018655 |
| 19 | W6 2172 | R1020 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018660 |
| 20 | W6 2173 | R1021 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018665 |
| 21 | W6 2174 | R1022 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018669 |
| 22 | W6 2175 | R1023 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018677 |
| 23 | W6 2176 | R1024 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018685 |
| 24 | W6 2177 | R1025 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018690 |
| 25 | W6 2178 | R1026 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018697 |
| 26 | W6 2179 | R1027 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018702 |
| 27 | W6 2180 | R1028 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018710 |
| 28 | W6 2181 | R1029 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018715 |
| 29 | W6 2182 | R1030 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1018723 |
| 30 | W6 2183 | R1031 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018728 |
| 31 | W6 2184 | R1032 | Parthenium argentatum A. Gray | Durango, Mexico | | | Historic | 1018735 |
| 32 | W6 2185 | R1033 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018740 |
| 33 | W6 2186 | R1034 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018747 |
| 34 | W6 2187 | R1035 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018751 |
| 35 | W6 2188 | R1036 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018759 |
| 36 | W6 2189 | R1037 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL |  | Not Available | 1018764 |
| 37 | W6 2190 | R1038 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018771 |
| 38 | W6 2191 | R1039 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018776 |
| 39 | W6 2192 | R1040 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL |  | Not Available | 1018783 |
| 40 | W6 2193 | R1041 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018789 |
| 41 | W6 2194 | R1042 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018797 |
| 42 | W6 2195 | R1043 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1018803 |
| 43 | W6 2196 | R1044 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL |  | Not Available | 1018809 |
| 44 | W6 2197 | R1045 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1018814 |
| 45 | W6 2198 | R1046 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1018821 |
| 46 | W6 2199 | R1047 | Parthenium argentatum A. Gray | Zacatecas, Mexico | PARL | | Not Available | 1018828 |
| 47 | W6 2200 | R1048 | Parthenium argentatum A. Gray | Zacatecas, Mexico | PARL | | Not Available | 1018834 |
| 48 | W6 2201 | R1049 | Parthenium argentatum A. Gray | Zacatecas, Mexico | PARL | | Not Available | 1018840 |
| 49 | W6 2202 | R1050 | Parthenium argentatum A. Gray | Zacatecas, Mexico | | | Historic | 1018848 |
| 50 | W6 2203 | R1051 | Parthenium argentatum A. Gray | Zacatecas, Mexico | PARL | | Not Available | 1018855 |
| 51 | W6 2204 | R1052 | Parthenium argentatum A. Gray | Zacatecas, Mexico | PARL | | Not Available | 1018862 |
| 52 | W6 2205 | R1053 | Parthenium argentatum A. Gray | Zacatecas, Mexico | | | Historic | 1018871 |
| 53 | W6 2206 | R1054 | Parthenium argentatum A. Gray | Zacatecas, Mexico | | | Historic | 1018878 |
| 54 | W6 2207 | R1055 | Parthenium argentatum A. Gray | Zacatecas, Mexico | | | Historic | 1018885 |
| 55 | W6 2208 | R1056 | Parthenium argentatum A. Gray | Zacatecas, Mexico | | | Historic | 1018892 |
| 56 | W6 2209 | R1057 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1018899 |
| 57 | W6 2210 | R1058 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018906 |
| 58 | W6 2211 | R1059 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018913 |
| 59 | W6 2212 | R1060 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1018921 |
| 60 | W6 2213 | R1061 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018926 |
| 61 | W6 2214 | R1062 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018930 |
| 62 | W6 2215 | R1063 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018938 |
| 63 | W6 2216 | R1064 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1018944 |
| 64 | W6 2217 | R1065 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1018951 |
| 65 | W6 2218 | R1066 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018958 |
| 66 | W6 2219 | R1067 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018965 |
| 67 | W6 2220 | R1068 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018970 |
| 68 | W6 2221 | R1069 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018978 |
| 69 | W6 2222 | R1070 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018981 |
| 70 | W6 2223 | R1071 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018991 |
| 71 | W6 2224 | R1072 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1018996 |
| 72 | W6 2225 | R1073 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019004 |
| 73 | W6 2226 | R1074 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1019010 |
| 74 | W6 2227 | R1075 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019018 |
| 75 | W6 2228 | R1076 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019025 |
| 76 | W6 2229 | R1077 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019031 |
| 77 | W6 2230 | R1078 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019038 |
| 78 | W6 2231 | R1079 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019044 |
| 79 | W6 2232 | R1080 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019053 |
| 80 | W6 2233 | R1081 | Parthenium argentatum A. Gray | Nuevo León, Mexico | PARL | | Not Available | 1019057 |
| 81 | W6 2234 | R1082 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019065 |
| 82 | W6 2235 | R1083 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019069 |
| 83 | W6 2236 | R1084 | Parthenium argentatum A. Gray | Nuevo León, Mexico | | | Historic | 1019080 |
| 84 | W6 2237 | R1085 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | PARL | | Not Available | 1019083 |
| 85 | W6 2238 | R1086 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019093 |
| 86 | W6 2239 | R1087 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019097 |
| 87 | W6 2240 | R1088 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019107 |
| 88 | W6 2241 | R1089 | Parthenium argentatum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019111 |
| 89 | W6 2242 | R1090 | Parthenium argentatum A. Gray | Durango, Mexico | PARL | | Not Available | 1019120 |
| 90 | W6 2261 | R1151 | Parthenium bipinnatifidum (Ortega) Rollins | Coahuila de Zaragoza, Mexico | | | Historic | 1019251 |
| 91 | W6 2263 | R1153 | Parthenium confertum A. Gray | Coahuila de Zaragoza, Mexico | | | Historic | 1019266 |
| 92 | W6 2264 | R1123 | Parthenium fruticosum Less. | Nuevo León, Mexico | | | Historic | 1019273 |
| 93 | W6 2265 | R1124 | Parthenium fruticosum Less. | Nuevo León, Mexico | | | Historic | 1019280 |
| 94 | W6 2266 | R1125 | Parthenium fruticosum Less. | Nuevo León, Mexico | | | Historic | 1019286 |
| 95 | W6 2267 | R1126 | Parthenium fruticosum Less. | Nuevo León, Mexico | | | Historic | 1019293 |
| 96 | W6 2268 | R1127 | Parthenium fruticosum Less. | Nuevo León, Mexico | | | Historic | 1019301 |
| 97 | W6 2271 | R1109 | Parthenium hybr. | Coahuila de Zaragoza, Mexico | PARL |  | Not Available | 1019319 |
| 98 | W6 2274 | R1111 | Parthenium incanum Kunth | Chihuahua, Mexico | | | Historic | 1019342 |
| 99 | W6 2275 | R1112 | Parthenium incanum Kunth | Durango, Mexico | | | Historic | 1019345 |
| 100 | W6 2276 | R1113 | Parthenium incanum Kunth | Durango, Mexico | PARL | | Not Available | 1019355 |
| 101 | W6 2277 | R1114 | Parthenium incanum Kunth | Coahuila de Zaragoza, Mexico | | | Historic | 1019360 |
| 102 | W6 2278 | R1115 | Parthenium incanum Kunth | Coahuila de Zaragoza, Mexico | | | Historic | 1019369 |
| 103 | W6 2279 | R1116 | Parthenium incanum Kunth | Nuevo León, Mexico | | | Historic | 1019373 |
| 104 | W6 2280 | R1117 | Parthenium incanum Kunth | Nuevo León, Mexico | | | Historic | 1019382 |
| 105 | W6 2281 | R1118 | Parthenium incanum Kunth | Coahuila de Zaragoza, Mexico | | | Historic | 1019387 |
| 106 | W6 2282 | R1119 | Parthenium incanum Kunth | Coahuila de Zaragoza, Mexico | | | Historic | 1019395 |