| 0 | PI 437017 | | Leptospermum scoparium J. R. Forst. & G. Forst. | New Zealand | | | Historic | 1979 | COLLECTED | 02/1978 | | | | | | Shrubs to 3.7m. Bark brown, peeling in strips. Leaves narrow, needle-like, up to l.27cm long, aromatic when crushed. Flowers small, pinkish-white. Local name Manuka. Removed from inventory 03/13/92. | 1331953 | PI 437017 |
| 1 | PI 437018 | 'Autumn Glory' | Leptospermum scoparium J. R. Forst. & G. Forst. | New Zealand | | | Historic | 1979 | COLLECTED | 02/1978 | | | | | Cultivar | Flowers double, pale to dark pink. Removed from inventory 03/13/92. | 1331954 | PI 437018 |
| 2 | PI 304391 | | Leptospermum petersonii F. M. Bailey | Australia | | | Historic | 1965 | COLLECTED | | | | | | | | 1700774 | PI 304391 |
| 3 | PI 301118 | | Leptospermum minutifolium C. T. White | Victoria, Australia | | | Historic | 1964 | COLLECTED | | | | | | | | 1679081 | PI 301118 |
| 4 | PI 301119 | | Leptospermum semibaccatum Cheel | Victoria, Australia | | | Historic | 1964 | COLLECTED | | | | | | | | 1679082 | PI 301119 |
| 5 | PI 301120 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Victoria, Australia | | | Historic | 1964 | COLLECTED | | | | | | | | 1679083 | PI 301120 |
| 6 | PI 260108 | 'Keatleyi' | Leptospermum scoparium J. R. Forst. & G. Forst. | Maryland, United States | | | Historic | 1959 | DONATED | 08/24/1959 | | | | | | | 1562999 | PI 260108 |
| 7 | PI 260110 | 'Walkeri' | Leptospermum scoparium J. R. Forst. & G. Forst. | Maryland, United States | | | Historic | 1959 | DONATED | 08/24/1959 | | | | | | | 1563001 | PI 260110 |
| 8 | PI 260112 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Maryland, United States | | | Historic | 1959 | DONATED | 08/24/1959 | | | | | | | 1563003 | PI 260112 |
| 9 | PI 258514 | | Leptospermum myrtifolium Sieber ex DC. | Australian Capital Territory, Australia | | | Historic | 1959 | DONATED | 06/18/1959 | | | | | | | 1560260 | PI 258514 |
| 10 | PI 257821 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Tasmania, Australia | | | Historic | 1959 | DONATED | 05/29/1959 | | | | | | | 1560142 | PI 257821 |
| 11 | PI 256776 | | Leptospermum rotundifolium (Maiden & Betche) F. A. Rodway ex Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 04/13/1959 | | | | | | | 1559735 | PI 256776 |
| 12 | PI 256703 | | Leptospermum myrsinoides Schltdl. | Maryland, United States | | | Historic | 1959 | DONATED | 04/10/1959 | | | | | | | 1559657 | PI 256703 |
| 13 | PI 256528 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Maryland, United States | | | Historic | 1959 | DONATED | 04/06/1959 | | | | | | | 1558909 | PI 256528 |
| 14 | PI 256460 | | Leptospermum liversidgei R. T. Baker & H. G. Sm. | Maryland, United States | | | Historic | 1959 | DONATED | 04/03/1959 | | | | | | | 1558778 | PI 256460 |
| 15 | PI 256461 | | Leptospermum microcarpum Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 04/03/1959 | | | | | | | 1558779 | PI 256461 |
| 16 | PI 256462 | | Leptospermum semibaccatum Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 04/03/1959 | | | | | | | 1558780 | PI 256462 |
| 17 | PI 256300 | | Leptospermum coriaceum (F. Muell. ex Miq.) Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 03/30/1959 | | | | | | | 1558687 | PI 256300 |
| 18 | PI 256227 | | Leptospermum brachyandrum (F. Muell.) Druce | Maryland, United States | | | Historic | 1959 | DONATED | 03/26/1959 | | | | | | | 1558579 | PI 256227 |
| 19 | PI 255971 | | Leptospermum lanigerum (Sol. ex Aiton) Sm. | Tasmania, Australia | | | Historic | 1959 | DONATED | 03/20/1959 | | | | | | | 1558390 | PI 255971 |
| 20 | PI 255972 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Tasmania, Australia | | | Historic | 1959 | DONATED | 03/20/1959 | | | | | | | 1558391 | PI 255972 |
| 21 | PI 255710 | | Leptospermum lanigerum (Sol. ex Aiton) Sm. | Maryland, United States | | | Historic | 1959 | DONATED | 03/02/1959 | | | | | | | 1558332 | PI 255710 |
| 22 | PI 255093 | | Leptospermum sphaerocarpum Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 01/15/1959 | | | | | | | 1557978 | PI 255093 |
| 23 | PI 255094 | | Leptospermum spinescens Endl. | Maryland, United States | | | Historic | 1959 | DONATED | 01/15/1959 | | | | | | | 1557979 | PI 255094 |
| 24 | PI 255004 | | Leptospermum coriaceum (F. Muell. ex Miq.) Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 01/14/1959 | | | | | | | 1557823 | PI 255004 |
| 25 | PI 255006 | | Leptospermum luehmannii F. M. Bailey | Maryland, United States | | | Historic | 1959 | DONATED | 01/14/1959 | | | | | | | 1557824 | PI 255006 |
| 26 | PI 255007 | | Leptospermum lanigerum (Sol. ex Aiton) Sm. | Maryland, United States | | | Historic | 1959 | DONATED | 01/14/1959 | | | | | | | 1557825 | PI 255007 |
| 27 | PI 255009 | | Leptospermum sphaerocarpum Cheel | Maryland, United States | | | Historic | 1959 | DONATED | 01/14/1959 | | | | | | | 1557826 | PI 255009 |
| 28 | PI 151698 | 'Kealteyii' | Leptospermum scoparium J. R. Forst. & G. Forst. | Australia | | | Historic | 1945 | COLLECTED | | | | | | | | 1889001 | PI 151698 |
| 29 | PI 147952 | | Leptospermum brachyandrum (F. Muell.) Druce | New South Wales, Australia | | | Historic | 1944 | COLLECTED | | Woy Woy | | | | | | 1881543 | PI 147952 |
| 30 | PI 134029 | | Leptospermum scoparium J. R. Forst. & G. Forst. | New Zealand | | | Historic | 1939 | COLLECTED | | | | | | | | 1850522 | PI 134029 |
| 31 | PI 116690 | | Leptospermum petersonii F. M. Bailey | Egypt | | | Historic | 1936 | COLLECTED | | | | | | | | 1824443 | PI 116690 |
| 32 | PI 113772 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Australia | | | Historic | 1936 | COLLECTED | | | | | | | | 1811302 | PI 113772 |
| 33 | PI 106330 | | Leptospermum spinescens Endl. | Australia | | | Historic | 1934 | COLLECTED | | | | | | | | 1795155 | PI 106330 |
| 34 | PI 101353 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Australia | | | Historic | 1932 | COLLECTED | | | | | | | | 1788908 | PI 101353 |
| 35 | PI 90858 | | Leptospermum emarginatum H. L. Wendl. ex Link | New South Wales, Australia | | | Historic | 1931 | COLLECTED | | | | | | | | 1775495 | PI 90858 |
| 36 | PI 89316 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753013 | PI 89316 |
| 37 | PI 89317 | 'Cerise' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753014 | PI 89317 |
| 38 | PI 89318 | 'Deep rose pink' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753015 | PI 89318 |
| 39 | PI 89319 | 'Double pink improved' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753016 | PI 89319 |
| 40 | PI 89320 | Flush pink | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753017 | PI 89320 |
| 41 | PI 89321 | 'Double white' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753018 | PI 89321 |
| 42 | PI 89322 | 'Good red' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753019 | PI 89322 |
| 43 | PI 89323 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753020 | PI 89323 |
| 44 | PI 89324 | 'Pink' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753021 | PI 89324 |
| 45 | PI 89325 | Red center | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753022 | PI 89325 |
| 46 | PI 89326 | 'Rose' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753023 | PI 89326 |
| 47 | PI 89327 | 'Rose pink' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753024 | PI 89327 |
| 48 | PI 89328 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753025 | PI 89328 |
| 49 | PI 89329 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753026 | PI 89329 |
| 50 | PI 89330 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753027 | PI 89330 |
| 51 | PI 89331 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1930 | COLLECTED | | | | | | | | 1753028 | PI 89331 |
| 52 | PI 79135 | | Leptospermum sericeum Labill. | California, United States | | | Historic | 1929 | COLLECTED | | | | | | | | 1743047 | PI 79135 |
| 53 | PI 78581 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Bermuda | | | Historic | 1929 | COLLECTED | | | | | | | | 1734257 | PI 78581 |
| 54 | PI 76607 | 'Montanum' | Leptospermum lanigerum (Sol. ex Aiton) Sm. | Tasmania, Australia | | | Historic | 1928 | COLLECTED | | | | | | | | 1731208 | PI 76607 |
| 55 | PI 73090 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1927 | COLLECTED | | | | | | | | 1496928 | PI 73090 |
| 56 | PI 73091 | 'Roseum' | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1927 | COLLECTED | | | | | | | | 1728285 | PI 73091 |
| 57 | PI 73092 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1927 | COLLECTED | | | | | | | | 1728286 | PI 73092 |
| 58 | PI 73093 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1927 | COLLECTED | | | | | | | | 1728287 | PI 73093 |
| 59 | PI 67822 | | Leptospermum myrtifolium Sieber ex DC. | Tasmania, Australia | | | Historic | 1926 | COLLECTED | | | | | | | | 1720414 | PI 67822 |
| 60 | PI 67823 | | Leptospermum lanigerum (Sol. ex Aiton) Sm. | Tasmania, Australia | | | Historic | 1926 | COLLECTED | | | | | | | | 1720415 | PI 67823 |
| 61 | PI 67824 | | Leptospermum rupestre Hook. f. | Tasmania, Australia | | | Historic | 1926 | COLLECTED | | | | | | | | 1720416 | PI 67824 |
| 62 | PI 67076 | | Leptospermum roei Benth. | South Australia, Australia | | | Historic | 1926 | COLLECTED | | | | | | | | 1719450 | PI 67076 |
| 63 | PI 64801 | | Leptospermum roei Benth. | South Australia, Australia | | | Historic | 1925 | COLLECTED | | | | | | | | 1716062 | PI 64801 |
| 64 | PI 64488 | | Leptospermum sericeum Labill. | South Australia, Australia | | | Historic | 1925 | COLLECTED | | | | | | | | 1715717 | PI 64488 |
| 65 | PI 62585 | | Leptospermum lanigerum (Sol. ex Aiton) Sm. | England, United Kingdom | | | Historic | 1925 | COLLECTED | | | | | | | | 1663824 | PI 62585 |
| 66 | PI 61060 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Victoria, Australia | | | Historic | 1924 | COLLECTED | | | | | | | | 1662597 | PI 61060 |
| 67 | PI 53928 | | Leptospermum scoparium J. R. Forst. & G. Forst. | Victoria, Australia | | | Historic | 1921 | COLLECTED | | | | | | | | 1501752 | PI 53928 |
| 68 | PI 48168 | | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1919 | COLLECTED | | | | | | | | 1613895 | PI 48168 |
| 69 | PI 44848 | No. 1 | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1917 | COLLECTED | | | | | | | | 1609938 | PI 44848 |
| 70 | PI 44849 | No. 2 | Leptospermum scoparium J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1917 | COLLECTED | | | | | | | | 1609939 | PI 44849 |
| 71 | PI 34853 | 'Nichollsii' | Leptospermum scoparium J. R. Forst. & G. Forst. | England, United Kingdom | | | Historic | 1913 | COLLECTED | | | | | | | | 1515014 | PI 34853 |
| 72 | PI 34844 | | Leptospermum polygalifolium Salisb. | Victoria, Australia | | | Historic | 1913 | COLLECTED | | | | | | | | 1600358 | PI 34844 |