| 0 | PI 313992 | | Encephalartos sp. | Benin | | | Historic | 1966 | | | | | | | | | 1706244 | PI 313992 |
| 1 | PI 293386 | Col. No. 0053 | Encephalartos villosus Lem. | Cape Province, South Africa | | | Historic | 1963 | | | | | | | | | 1699171 | PI 293386 |
| 2 | PI 285196 | | Encephalartos manikensis (Gilliland) Gilliland | Mozambique | | | Historic | 1962 | | | | | | | | | 1688658 | PI 285196 |
| 3 | PI 256302 | | Encephalartos lehmannii Lehm. | Queensland, Australia | | | Historic | 1959 | | | | | | | | | 1558689 | PI 256302 |
| 4 | PI 145792 | | Encephalartos hildebrandtii A. Braun & C. D. Bouché | New York, United States | | | Historic | 1943 | | | | | | | | | 1878626 | PI 145792 |
| 5 | PI 106552 | | Encephalartos sp. | Maputo, Mozambique | | | Historic | 1934 | | | | | | | | | 1795743 | PI 106552 |
| 6 | PI 99418 | | Encephalartos villosus Lem. | Italy | | | Historic | 1932 | | | | | | | | | 1786715 | PI 99418 |
| 7 | PI 92502 | | Encephalartos poggei Asch. | Unknown | | | Historic | 1931 | | | | | | | | | 1494070 | PI 92502 |
| 8 | PI 81156 | No. 700 | Encephalartos lehmannii Lehm. | Liguria, Italy | | | Historic | 1929 | | | | | | | | | 1744904 | PI 81156 |
| 9 | MIA 36792 | MIA 36792 | Encephalartos gratus Prain | | MIA |  | Not Available | 2010 | | | | | | | | WD1-07-83^; | 1903454 | MIA 36792 |
| 10 | MIA 36793 | MIA 36793 | Encephalartos gratus Prain | | MIA |  | Not Available | 2010 | | | | | | | | WD1-07-87^; | 1903455 | MIA 36793 |
| 11 | MIA 36794 | MIA 36794 | Encephalartos gratus Prain | | MIA |  | Not Available | 2010 | | | | | | | | WD1-07-79^; | 1903456 | MIA 36794 |
| 12 | MIA 36795 | MIA 36795 | Encephalartos gratus Prain | | MIA |  | Not Available | 2010 | | | | | | | | WD1-07-75^; | 1903457 | MIA 36795 |
| 13 | MIA 36796 | MIA 36796 | Encephalartos gratus Prain | | MIA |  | Not Available | 2010 | | | | | | | | WD1-07-67^; | 1903458 | MIA 36796 |
| 14 | MIA 36798 | MIA 36798 | Encephalartos senticosus Vorster | | MIA |  | Not Available | 2010 | | | | | | | | WD1-05-83^; | 1903459 | MIA 36798 |
| 15 | MIA 36799 | MIA 36799 | Encephalartos senticosus Vorster | | MIA |  | Not Available | 2010 | | | | | | | | WD1-05-87^; | 1903460 | MIA 36799 |
| 16 | MIA 36789 | MIA 36789 | Encephalartos ferox G. Bertol. | | | | Historic | 2010 | | | | | | | Uncertain improvement status | No locations - 0 specimens | 1901586 | MIA 36789 |
| 17 | MIA 36790 | MIA 36790 | Encephalartos ferox G. Bertol. | | | | Historic | 2010 | | | | | | | Uncertain improvement status | No locations - 0 specimens | 1901587 | MIA 36790 |
| 18 | MIA 36791 | MIA 36791 | Encephalartos ferox G. Bertol. | | | | Historic | 2010 | | | | | | | Uncertain improvement status | No locations - 0 specimens | 1901588 | MIA 36791 |
| 19 | MIA 36797 | MIA 36797 | Encephalartos gratus Prain | | | | Historic | 2010 | | | | | | | Uncertain improvement status | No locations - 0 specimens | 1901589 | MIA 36797 |
| 20 | MIA 34945 | 95-996 | Encephalartos sp. | Florida, United States | MIA | | Not Available | 2002 | | | | | | | Wild material | No provenance information available. Rare species from Central Africa. ID lost and seeds mixed with Syagrus. | 1699642 | MIA 34945 |
| 21 | MIA 35936 | 98-1351 | Encephalartos bubalinus Melville | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Cultivated material | Cultivated plant acquired indirectly from lineage number 64570. | 1699578 | MIA 35936 |
| 22 | MIA 35937 | 93-275 | Encephalartos cerinus Lavranos & D. L. Goode | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Cultivated material | Cultivated plant acquired indirectly from South Africa. "This species, known only from one population in a ravine in Natal, is thought to be extinct in the wild". | 1699580 | MIA 35937 |
| 23 | MIA 35938 | 86-351 | Encephalartos heenanii R. A. Dyer | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Wild material | Wild collected in South Africa. 1800 m. Species discovered since 1969 and very restricted in natural habitat; occurs in mountains between Trans. and Swaz. at 1800m. in the protea belt in sheltered kloofs. Summer rainfall 1250mm/yr. Kluge, J. s.n. | 1699589 | MIA 35938 |
| 24 | MIA 35939 | 93-827 | Encephalartos hildebrandtii A. Braun & C. D. Bouché | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Uncertain improvement status | No provenance information available. | 1699597 | MIA 35939 |
| 25 | MIA 35940 | 93-426 | Encephalartos laurentianus De Wild. | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Cultivated material | Cult. plant acquired indirectly from cultivated. From Belgium Meise Botanical Garden from parent plants collected at Kwango River Basin, border of Angola and Zaire. | 1699599 | MIA 35940 |
| 26 | MIA 35941 | 90-262 | Encephalartos manikensis (Gilliland) Gilliland | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Cultivated material | | 1699617 | MIA 35941 |
| 27 | MIA 35942 | 98-2205 | Encephalartos manikensis (Gilliland) Gilliland | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Uncertain improvement status | No collection information available. | 1699619 | MIA 35942 |
| 28 | MIA 35943 | Woodii | Encephalartos natalensis R. A. Dyer & I. Verd. | Florida, United States | MIA | | Not Available | 2002 | | | | | | | Uncertain improvement status | No collection information available. | 1699622 | MIA 35943 |
| 29 | MIA 35944 | 96-1303 | Encephalartos septentrionalis Schweinf. | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Wild material | Wild collected in Uganda. Uganda: 7 km. from Moya. | 1699626 | MIA 35944 |
| 30 | MIA 35945 | 95-996 | Encephalartos sp. | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Wild material | No provenance information available. Rare species from Central Africa. ID lost and seeds mixed with Syagrus. | 1699647 | MIA 35945 |
| 31 | MIA 35946 | 'Lake George' | Encephalartos whitelockii P. J. H. Hurter | Florida, United States | MIA |  | Not Available | 2002 | | | | | | | Cultivar | Wild collected in Uganda: Toro district: in the Mpanga River Gorge above the falls along the river at the top of Lake George. This is a very rare plant in cultivation and its status in the wild is not known. This species may not be represented in Fairchild's collection. It is part of a small group of Central African Encephalartos which are confused in cultivation,...... Heibloem, P. s.n. | 1699816 | MIA 35946 |