| 0 | PI 617504 | 'Reimer Red' | Pyrus communis L. | Oregon, United States | COR | | Not Available | 1006651 |
| 1 | PI 617508 | P. hondoensis | Pyrus ×hondoensis Nakai & Kikuchi | Oregon, United States | COR |  | Not Available | 1008974 |
| 2 | PI 617517 | P. pyrifolia seedling W-6 Wilson | Pyrus pyrifolia (Burm. f.) Nakai | Oregon, United States | COR |  | Not Available | 1012720 |
| 3 | PI 617519 | OPR 5 | Pyrus hybr. | Oregon, United States | COR | | Not Available | 1013659 |
| 4 | PI 617535 | French Resistant | Pyrus communis L. subsp. pyraster (L.) Ehrh. | Oregon, United States | COR | | Not Available | 1019720 |
| 5 | CPYR 2337 | 'Reimer Red' | Pyrus communis L. | Oregon, United States | | | Historic | 1019753 |
| 6 | PI 617569 | P. betulifolia | Pyrus betulifolia Bunge | California, United States | COR | | Not Available | 1020537 |
| 7 | PI 617570 | P. betulifolia | Pyrus betulifolia Bunge | California, United States | COR | | Not Available | 1020538 |
| 8 | PI 45845 | 'Yaguang Li' | Pyrus ×bretschneideri Rehder | Hebei Sheng, China | COR |  | Not Available | 1106052 |
| 9 | PI 46582 | No. 36. From Chosen | Pyrus ×phaeocarpa Rehder | Korea, South | COR |  | Not Available | 1106065 |
| 10 | PI 540943 | 'OPR 110' | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435879 |
| 11 | PI 540944 | 'OPR 111' | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435880 |
| 12 | PI 540948 | IRP 139-1 | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435884 |
| 13 | PI 540956 | Du Li | Pyrus betulifolia Bunge | China | COR | | Not Available | 1435892 |
| 14 | PI 540966 | OSU-1 seedling A | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435902 |
| 15 | PI 540967 | OSU-1 seedling | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435903 |
| 16 | PI 540968 | OSU-3 seedling A | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435904 |
| 17 | PI 540969 | OSU-3 | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435905 |
| 18 | PI 540970 | OSU-3 | Pyrus betulifolia Bunge | Oregon, United States | COR | | Not Available | 1435906 |
| 19 | PI 540973 | OSU-3 | Pyrus betulifolia Bunge | China | COR |  | Not Available | 1435909 |
| 20 | PI 540992 | OSU-1 | Pyrus betulifolia Bunge | Oregon, United States | COR |  | Not Available | 1435928 |
| 21 | PI 540993 | OSU-3 | Pyrus betulifolia Bunge | Oregon, United States | COR | | Not Available | 1435929 |
| 22 | PI 541053 | OSU-2 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435989 |
| 23 | PI 541054 | OSU-3 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435990 |
| 24 | PI 541055 | OSU-5 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435991 |
| 25 | PI 541056 | OSU-6 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435992 |
| 26 | PI 541057 | OSU-7 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435993 |
| 27 | PI 541058 | OSU-8 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435994 |
| 28 | PI 541059 | OSU-9 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1435995 |
| 29 | PI 541083 | OSU-10 | Pyrus ×calleryana Decne. | Oregon, United States | COR |  | Not Available | 1436019 |
| 30 | PI 541158 | 'Canal' | Pyrus communis L. | Oregon, United States | COR | | Not Available | 1436094 |
| 31 | PI 541193 | French Resistant No. 1 | Pyrus communis L. subsp. pyraster (L.) Ehrh. | Oregon, United States | COR |  | Not Available | 1436129 |
| 32 | PI 541237 | 'OH 20' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436173 |
| 33 | PI 541238 | 'OH 50' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436174 |
| 34 | PI 541250 | 'Reimer's Hybrid' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436186 |
| 35 | PI 541252 | 'Rogue Red' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436188 |
| 36 | PI 541279 | W-1 | Pyrus communis L. | Oregon, United States | COR | | Not Available | 1436215 |
| 37 | PI 541294 | P-12 | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436230 |
| 38 | PI 541295 | P-18 | Pyrus communis L. subsp. pyraster (L.) Ehrh. | Oregon, United States | COR | | Not Available | 1436231 |
| 39 | PI 541296 | P-70 | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436232 |
| 40 | PI 541297 | P-79 | Pyrus communis L. | Oregon, United States | COR | | Not Available | 1436233 |
| 41 | PI 541298 | P-87 | Pyrus communis L. subsp. pyraster (L.) Ehrh. | Oregon, United States | COR | | Not Available | 1436234 |
| 42 | PI 541429 | P-61 blight resistant rootstock | Pyrus communis L. subsp. pyraster (L.) Ehrh. | Oregon, United States | COR |  | Not Available | 1436365 |
| 43 | PI 541472 | 'Cascade' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436408 |
| 44 | PI 541533 | 'Anderson' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436469 |
| 45 | PI 541559 | 'Best Ever' | Pyrus communis L. | Oregon, United States | COR |  | Not Available | 1436495 |
| 46 | PI 541604 | P. dimorphophylla x self | Pyrus dimorphophylla Makino | Oregon, United States | COR |  | Not Available | 1436540 |
| 47 | PI 541673 | P. hondoensis | Pyrus ×hondoensis Nakai & Kikuchi | Oregon, United States | COR |  | Not Available | 1436609 |
| 48 | PI 541676 | P. hondoensis | Pyrus ×hondoensis Nakai & Kikuchi | Oregon, United States | COR |  | Not Available | 1436612 |
| 49 | PI 541859 | P-91 | Pyrus ×nivalis Jacq. | Oregon, United States | COR |  | Not Available | 1436795 |
| 50 | PI 50543 | No. 1 | Pyrus spp. | China | | | Historic | 1505819 |
| 51 | PI 45820 | No. 65 | Crataegus pinnatifida Bunge | Unknown | | | Historic | 1507553 |
| 52 | PI 46587 | Hung li | Pyrus ussuriensis Maxim. & Rupr. | Hebei Sheng, China | | | Historic | 1508223 |
| 53 | PI 47301 | | Pyrus ussuriensis Maxim. & Rupr. | Oregon, United States | | | Historic | 1508603 |
| 54 | PI 45821 | No. 61 | Pyrus hybr. | Unknown | | | Historic | 1610900 |
| 55 | PI 45822 | No. 66 | Pyrus ×calleryana Decne. | Hubei Sheng, China | | | Historic | 1610901 |
| 56 | PI 45829 | No. 47 | Pyrus ×phaeocarpa Rehder | Beijing Shi, China | | | Historic | 1610902 |
| 57 | PI 45830 | | Pyrus ×phaeocarpa Rehder | Beijing Shi, China | | | Historic | 1610903 |
| 58 | PI 45831 | No. 100 | Pyrus spp. | Hubei Sheng, China | | | Historic | 1610905 |
| 59 | PI 45832 | No. 105 | Pyrus spp. | Hubei Sheng, China | | | Historic | 1610906 |
| 60 | PI 45833 | No. 60 | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1610907 |
| 61 | PI 45834 | Pin li | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1610908 |
| 62 | PI 45835 | Pin li | Pyrus spp. | Liaoning Sheng, China | | | Historic | 1610909 |
| 63 | PI 45836 | Shampa li | Pyrus spp. | Unknown | | | Historic | 1610910 |
| 64 | PI 45837 | Shampa li | Pyrus spp. | Liaoning Sheng, China | | | Historic | 1610911 |
| 65 | PI 45838 | Shu li | Pyrus spp. | Liaoning Sheng, China | | | Historic | 1610912 |
| 66 | PI 45839 | | Pyrus ×calleryana Decne. | Unknown | | | Historic | 1610913 |
| 67 | PI 45840 | | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1610914 |
| 68 | PI 45846 | Suan li | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1610917 |
| 69 | PI 45847 | Suan li | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1610918 |
| 70 | PI 45848 | Pai li | Pyrus ussuriensis Maxim. & Rupr. | Beijing Shi, China | | | Historic | 1610919 |
| 71 | PI 45849 | Huang hsau li | Pyrus ussuriensis Maxim. & Rupr. | Beijing Shi, China | | | Historic | 1610920 |
| 72 | PI 45850 | Pan chin tse | Pyrus ussuriensis Maxim. & Rupr. | Beijing Shi, China | | | Historic | 1610922 |
| 73 | PI 46576 | Mi li | Pyrus ×bretschneideri Rehder | Hebei Sheng, China | | | Historic | 1611508 |
| 74 | PI 46577 | Tang li | Pyrus spp. | Hebei Sheng, China | | | Historic | 1611509 |
| 75 | PI 46578 | Fo chien hsi | Pyrus spp. | Hebei Sheng, China | | | Historic | 1611510 |
| 76 | PI 46579 | Ma li | Pyrus pyrifolia (Burm. f.) Nakai | Hebei Sheng, China | | | Historic | 1611511 |
| 77 | PI 46580 | Yarh li | Pyrus ×bretschneideri Rehder | Hebei Sheng, China | | | Historic | 1611512 |
| 78 | PI 46581 | Chieh li | Pyrus spp. | Hebei Sheng, China | | | Historic | 1611513 |
| 79 | PI 46583 | Imamura Aki | Pyrus pyrifolia (Burm. f.) Nakai | Kanagawa, Japan | | | Historic | 1611516 |
| 80 | PI 46584 | Meigetsu | Pyrus pyrifolia (Burm. f.) Nakai | Kanagawa, Japan | | | Historic | 1611517 |
| 81 | PI 46585 | Ta suan li | Pyrus ussuriensis Maxim. & Rupr. | Hebei Sheng, China | | | Historic | 1611518 |
| 82 | PI 46586 | E' li | Pyrus ussuriensis Maxim. & Rupr. | Hebei Sheng, China | | | Historic | 1611519 |
| 83 | PI 50545 | No. 3 | Pyrus spp. | China | | | Historic | 1618296 |
| 84 | PI 50550 | No. 8 | Pyrus spp. | China | | | Historic | 1618297 |
| 85 | PI 50555 | No. 13 | Pyrus spp. | China | | | Historic | 1618298 |
| 86 | PI 50560 | No. 18 | Pyrus spp. | China | | | Historic | 1618299 |
| 87 | PI 50565 | No. 23 | Pyrus spp. | China | | | Historic | 1618300 |
| 88 | PI 50570 | No. 28 | Pyrus spp. | China | | | Historic | 1618301 |
| 89 | PI 50575 | No. 33 | Pyrus spp. | China | | | Historic | 1618302 |
| 90 | PI 50579 | No. 37 | Pyrus spp. | China | | | Historic | 1618303 |
| 91 | PI 45823 | No. 18 | Pyrus ×calleryana Decne. | Mie, Japan | | | Historic | 1650297 |
| 92 | PI 45824 | No. 24 | Pyrus ×calleryana Decne. | Mie, Japan | | | Historic | 1650298 |
| 93 | PI 45825 | No. 30 | Pyrus ×calleryana Decne. | Unknown | | | Historic | 1650299 |
| 94 | PI 45826 | No. 31 | Pyrus ×calleryana Decne. | Unknown | | | Historic | 1650300 |
| 95 | PI 45827 | No. 64 | Pyrus ×calleryana Decne. | Hubei Sheng, China | | | Historic | 1650301 |
| 96 | PI 45828 | No. 103 | Pyrus ×calleryana Decne. | Hubei Sheng, China | | | Historic | 1650302 |
| 97 | PI 45841 | | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1650306 |
| 98 | PI 45842 | | Pyrus ussuriensis Maxim. & Rupr. | China | | | Historic | 1650307 |
| 99 | PI 45843 | | Pyrus ussuriensis Maxim. & Rupr. | Unknown | | | Historic | 1650310 |
| 100 | PI 45844 | | Pyrus ussuriensis Maxim. & Rupr. | Unknown | | | Historic | 1650311 |
| 101 | PI 50544 | No. 2 | Pyrus spp. | China | | | Historic | 1651156 |
| 102 | PI 50546 | No. 4 | Pyrus spp. | China | | | Historic | 1651157 |
| 103 | PI 50547 | No. 5 | Pyrus spp. | China | | | Historic | 1651158 |
| 104 | PI 50548 | No. 6 | Pyrus spp. | China | | | Historic | 1651159 |
| 105 | PI 50549 | No. 7 | Pyrus spp. | China | | | Historic | 1651160 |
| 106 | PI 50551 | No. 9 | Pyrus spp. | China | | | Historic | 1651161 |
| 107 | PI 50552 | No. 10 | Pyrus spp. | China | | | Historic | 1651162 |
| 108 | PI 50553 | No. 11 | Pyrus spp. | China | | | Historic | 1651163 |
| 109 | PI 50554 | No. 12 | Pyrus spp. | China | | | Historic | 1651164 |
| 110 | PI 50556 | No. 14 | Pyrus spp. | China | | | Historic | 1651165 |
| 111 | PI 50557 | No. 15 | Pyrus spp. | China | | | Historic | 1651166 |
| 112 | PI 50558 | No. 16 | Pyrus spp. | China | | | Historic | 1651167 |
| 113 | PI 50559 | No. 17 | Pyrus spp. | China | | | Historic | 1651168 |
| 114 | PI 50561 | No. 19 | Pyrus spp. | China | | | Historic | 1651169 |
| 115 | PI 50562 | No. 20 | Pyrus spp. | China | | | Historic | 1651170 |
| 116 | PI 50563 | No. 21 | Pyrus spp. | China | | | Historic | 1651171 |
| 117 | PI 50564 | No. 22 | Pyrus spp. | China | | | Historic | 1651172 |
| 118 | PI 50566 | No. 24 | Pyrus spp. | China | | | Historic | 1651173 |
| 119 | PI 50567 | No. 25 | Pyrus spp. | China | | | Historic | 1651174 |
| 120 | PI 50568 | No. 26 | Pyrus spp. | China | | | Historic | 1651175 |
| 121 | PI 50569 | No. 27 | Pyrus spp. | China | | | Historic | 1651176 |
| 122 | PI 50571 | No. 29 | Pyrus spp. | China | | | Historic | 1651177 |
| 123 | PI 50572 | No. 30 | Pyrus spp. | China | | | Historic | 1651178 |
| 124 | PI 50573 | No. 31 | Pyrus spp. | China | | | Historic | 1651179 |
| 125 | PI 50574 | No. 32 | Pyrus spp. | China | | | Historic | 1651180 |
| 126 | PI 50576 | No. 34 | Pyrus spp. | China | | | Historic | 1651181 |
| 127 | PI 50577 | No. 35 | Pyrus spp. | China | | | Historic | 1651182 |
| 128 | PI 50578 | No. 36 | Pyrus spp. | China | | | Historic | 1651183 |
| 129 | PI 688179 | 'Paragon' | Pyrus communis L. | Oregon, United States | COR | | Not Available | 1899893 |