| 0 | PI 320520 | | Catalpa ovata G. Don | Japan | | | Historic | 1967 | COLLECTED | | | | | | | | 1712637 | PI 320520 |
| 1 | PI 308649 | | Catalpa sp. | Brazil | NA | | Not Available | 1965 | COLLECTED | 11/08/1965 | | | | | | Seeds presented by Edgar Ribas, Lions Club, Curitiba, Parana, Brazil. | 1230582 | PI 308649 |
| 2 | PI 308650 | | Catalpa sp. | Brazil | NA | | Not Available | 1965 | COLLECTED | 11/08/1965 | | | | | | | 1230583 | PI 308650 |
| 3 | PI 280827 | | Catalpa ovata G. Don | Japan | | | Historic | 1962 | COLLECTED | | | | | | | | 1685675 | PI 280827 |
| 4 | PI 150898 | | Catalpa bignonioides Walter | Massachusetts, United States | | | Historic | 1945 | COLLECTED | | | | | | | | 1887854 | PI 150898 |
| 5 | PI 150719 | | Catalpa ovata G. Don | Massachusetts, United States | | | Historic | 1945 | COLLECTED | | | | | | | | 1887671 | PI 150719 |
| 6 | PI 150720 | | Catalpa speciosa E. Y. Teas | Massachusetts, United States | | | Historic | 1945 | COLLECTED | | | | | | | | 1887672 | PI 150720 |
| 7 | PI 129200 | No. 1385 | Catalpa sp. | Sichuan Sheng, China | | | Historic | 1938 | COLLECTED | | | | | | | | 1845238 | PI 129200 |
| 8 | PI 111349 | No. 55 | Catalpa sp. | Hubei Sheng, China | | | Historic | 1935 | COLLECTED | | Western Hubei | | | | | | 1492212 | PI 111349 |
| 9 | PI 100520 | G.F. 324 | Catalpa sp. | China | | | Historic | 1932 | COLLECTED | | | | | | | | 1788123 | PI 100520 |
| 10 | PI 79537 | | Catalpa longissima (Jacq.) Dum. Cours. | Trinidad, Trinidad and Tobago | MIA |  | | 1929 | COLLECTED | | | | | | | | 1118233 | PI 79537 |
| 11 | PI 78580 | | Catalpa longissima (Jacq.) Dum. Cours. | Bermuda | | | Historic | 1929 | COLLECTED | | | | | | | | 1496144 | PI 78580 |
| 12 | PI 77858 | | Catalpa ovata G. Don | New York, United States | | | Historic | 1928 | COLLECTED | | | | | | | | 1733408 | PI 77858 |
| 13 | PI 73839 | No. 1319 | Catalpa ×erubescens Carrière | Lisboa, Portugal | | | Historic | 1927 | COLLECTED | 04/05/1927 | | | | | | | 1728823 | PI 73839 |
| 14 | PI 62266 | Ch'in Shu | Catalpa ovata G. Don | Hebei Sheng, China | | | Historic | 1925 | COLLECTED | 12/12/1924 | | | | | | | 1497468 | PI 62266 |
| 15 | PI 56084 | Nos. 3097/3217 | Catalpa sp. | Yunnan Sheng, China | | | Historic | 1922 | COLLECTED | | | | | | | | 1655325 | PI 56084 |
| 16 | PI 55931 | No. 3097 | Catalpa sp. | Yunnan Sheng, China | | | Historic | 1922 | COLLECTED | 09/08/1922 | | | 2820 | | | | 1655217 | PI 55931 |
| 17 | PI 53989 | | Catalpa bungei C. A. Mey. | Jiangsu Sheng, China | | | Historic | 1921 | COLLECTED | | | | | | | | 1501775 | PI 53989 |
| 18 | PI 52909 | | Catalpa bungei C. A. Mey. | Jiangsu Sheng, China | | | Historic | 1921 | COLLECTED | | | | | | | | 1500525 | PI 52909 |
| 19 | PI 44664 | Tzu | Catalpa bungei C. A. Mey. | Zhejiang Sheng, China | | | Historic | 1917 | COLLECTED | 11/14/1916 | | | | | | | 1609821 | PI 44664 |
| 20 | PI 38419 | | Catalpa bungei C. A. Mey. | Russian Federation | | | Historic | 1914 | COLLECTED | | | | | | | | 1603300 | PI 38419 |
| 21 | PI 38254 | Ch'iu shu | Catalpa bungei C. A. Mey. | Shaanxi Sheng, China | | | Historic | 1914 | COLLECTED | 02/15/1914 | | | | | | | 1603033 | PI 38254 |
| 22 | PI 22578 | Wu tung shu | Catalpa bungei C. A. Mey. | Hebei Sheng, China | | | Historic | 1908 | COLLECTED | 11/21/1907 | | | | | | | 1584504 | PI 22578 |
| 23 | PI 17740 | | Catalpa bungei C. A. Mey. | China | | | Historic | 1906 | COLLECTED | | | | | | | | 1575169 | PI 17740 |
| 24 | PI 18267 | No. 78 | Catalpa bungei C. A. Mey. | Beijing Shi, China | | | Historic | 1906 | COLLECTED | | | | | | | | 1575604 | PI 18267 |
| 25 | PI 16914 | | Catalpa bungei C. A. Mey. | Beijing Shi, China | | | Historic | 1905 | COLLECTED | | | | | | | | 1574398 | PI 16914 |
| 26 | NA 85668 | NA 85668 | Catalpa ovata G. Don | | NA | | Not Available | 2023 | | | | | | | Wild material | Full name as recorded at U.S. National Arboretum: Catalpa ovata. See https://jcra.ncsu.edu/publications/travelogs/2017-china/index.php for more information about this expedition. | 2154309 | NA 85668 |
| 27 | NA 78287 | NA 78287 | Catalpa bignonioides Walter | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa bignonioides. Plant is growing along the Bladensburg Road fence close to the southwest corner of the arboretum in the old VIB (Viburnum Collection) location code. Identity determined by Joe Kirkbride. Form received: unknown propagule type. | 2151338 | NA 78287 |
| 28 | NA 77211 | NA 77211 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. Small tree near Heart Pond at the road intersection; possible seedling of 77209 or 77210 | 2150992 | NA 77211 |
| 29 | NA 77210 | NA 77210 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. Existing plant near Heart Pond with approx. d.b.h. of 30 cm. at time of accessioning, per Joseph Kirkbride Form received: unknown propagule type. | 2150991 | NA 77210 |
| 30 | NA 77209 | NA 77209 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. Old plant near Heart Pond with approx. d.b.h. of 60 cm. at time of accessioning, per Joseph Kirkbride Form received: unknown propagule type. | 2150990 | NA 77209 |
| 31 | NA 76633 | NA 76633 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. Large, old tree growing in the Grove of State Trees near the M-Street restrooms. Source and date unknown. Slide showing this tree in 1973, already mature, exists in the collection and is being scanned into image database in 2014. Form received: unknown propagule type. | 2150790 | NA 76633 |
| 32 | NA 76632 | NA 76632 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. Old USNA tree by M street gate. Source and date unknown. Form received: unknown propagule type. | 2150789 | NA 76632 |
| 33 | NA 75615 | NA 75615 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. This tree (July 2006) is being accessioned in part because it has a witches'-broom [the broom was propagated and accessioned as NA 76631, with decimals being assigned to further propagations]; the plant is a large, mature tree and is bearing fruit; plant is located along Bladensburg Road fence near Boxwood Collection. It predates the Arboretum and can be seen on the 1934 survey as a 14-inch DBH specimen that was growing along the walkway in front of Hamilton School (the school's bricks were saved and used to create the Morrison Garden). Form received: unknown propagule type. | 2150449 | NA 75615 |
| 34 | NA 74710 | NA 74710 | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa speciosa. Identity confirmed by Joe Kirkbride. Form received: unknown propagule type. | 2150108 | NA 74710 |
| 35 | NA 68686 | NA 68686 | Catalpa bignonioides Walter | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Catalpa bignonioides. Form received: unknown propagule type. | 2148200 | NA 68686 |
| 36 | NA 86510 | 'Hiawatha 2' | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2020 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Catalpa speciosa 'Hiawatha 2' HEARTLAND. Requested by Dr. Olsen for the collection. Form received: grafted plant. | 2154762 | NA 86510 |
| 37 | NA 82744 | NA 82744 | Catalpa bignonioides Walter | | NA | | | 2015 | | | | | | | | | 1927387 | NA 82744 |
| 38 | NA 82757 | NA 82757 | Catalpa bignonioides Walter | Florida, United States | NA | | Not Available | 2015 | COLLECTED | 04/30/2015 | Conecuh River, about 5.85 miles downstream from Bailey�s Bridge boat ramp, on slopes above the river on its south side. | 31.06305000, -86.98613000 | 32 | Primarily deciduous woodlands with acidic soils on moderate to steep slopes above the river, on the south side of the river. | | | 1950389 | NA 82757 |
| 39 | NA 76631 | (witches'-broom) | Catalpa speciosa E. Y. Teas | | NA | | Not Available | 2012 | | | | | | | Clone | Full name as recorded at U.S. National Arboretum: Catalpa speciosa (witches'-broom). 2012 cuttings from NA 76631-J, the smallest of the propagules rooted from the original cuttings taken from the witches'-broom; they were planted at South Farm in 2013, and some were transplanted to USNA in the fall of 2020. Notes from the record of the parent accession, NA 76631: "This accession is the witches'-broom from parent plant along Bladensburg road near Boxwood Collection (Viburnum/crabapple area), NA 75615-H, which is a mature tree of unknown (cultivated) origin. Information from the record of the parent tree, NA 75615: 'This tree (July 2006) is being accessioned in part because it has a witches'-broom [the broom was propagated and accessioned as NA 76631, with decimals being assigned to further propagations]; the plant is a large, mature tree and is bearing fruit; plant is located along Bladensburg Road fence near Boxwood Collection. It predates the Arboretum and can be seen on the 1934 survey as a 14-inch DBH specimen that was growing along the walkway in front of Hamilton School (the school's bricks were saved and used to create the Morrison Garden).'" | 2150788 | NA 76631 |
| 40 | WLP 822 | AK-2011-016 | Catalpa bignonioides Walter | Arkansas, United States | NA | | Not Available | 2011 | COLLECTED | 09/19/2011 | | 34.64193000, -90.69717000 | 308 | | Wild material | | 1890993 | WLP 822 |
| 41 | NA 53522 | NA 53522 | Catalpa bungei C. A. Mey. | | NA | | Not Available | 2010 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Catalpa bungei. From cuttings of NA 53522-J taken in 2010. Form received: rooted cutting. | 2145786 | NA 53522 |
| 42 | NA 79382 | NA 79382 | Catalpa bungei C. A. Mey. | Shaanxi Sheng, China | NA | | Not Available | 2010 | COLLECTED | 07/01/2008 | Huoditang (either Huoditang Township or Huoditang Forest Region) - given as "Quin Ling Mountains, Houditang" | | 1420 | | | | 1950803 | NA 79382 |
| 43 | NA 78648 | NA 78648 | Catalpa bignonioides Walter | Oregon, United States | NA | | Not Available | 2008 | DONATED | 03/25/2008 | | | | | Cultivated material | | 1899492 | NA 78648 |
| 44 | NA 76550 | NA 76550 | Catalpa ovata G. Don | | NA | | Not Available | 2007 | | | | | | | | | 1953461 | NA 76550 |
| 45 | WLP 2063 | LBJWC-ROS-003 | Catalpa bignonioides Walter | Texas, United States | NA | | | 2007 | COLLECTED | 12/05/2006 | | | | Moist or mesic. | Wild material | | 1726986 | WLP 2063 |
| 46 | NA 76651 | NA 76651 | Catalpa bignonioides Walter | North Carolina, United States | NA | | Not Available | 2006 | COLLECTED | 08/24/2006 | North Carolina, Henderson County, Fletcher, At margin of bottomland and pastured hill. | | | | Cultivated material | | 1898796 | NA 76651 |
| 47 | NA 76652 | NA 76652 | Catalpa speciosa E. Y. Teas | Kentucky, United States | NA | | Not Available | 2006 | COLLECTED | 08/24/2006 | Kentucky, Marshall County, Kentucky Dam Resort Park, Scattered trees in campground, appearing native, members of mixed bottomland hardwood forest natural to site. | | | | Cultivated material | | 1898797 | NA 76652 |
| 48 | NA 64776 | WD009 | Catalpa bungei C. A. Mey. | Hubei Sheng, China | NA | | | 1994 | COLLECTED | 09/12/1994 | Near Guan Shan | 32.35444444, 110.86805556 | | Growing in an agricultural field. Southeast facing slope. Growing with Cedrela sinensis, Quercus serrata, Paulownia sp., Juniperus formosana. | Wild material | | 1501748 | NA 64776 |
| 49 | NA 61903 | NA 61903 | Catalpa ovata G. Don | Korea, South | NA | | Not Available | 1990 | COLLECTED | | North Pyongan Province. Myohyangsan Mts., Hyangsan. | 40.00000000, 126.16666667 | 110 | Environment of the Chongchon Hotel. | Wild material | | 1502626 | NA 61903 |
| 50 | NA 60873 | NA 60873 | Catalpa bignonioides Walter | United States | NA | | Not Available | 1989 | COLLECTED | 1988 | Southeastern U.S. | | | | | | 1950891 | NA 60873 |
| 51 | WLP 741 | 83K-3 | Catalpa ovata G. Don | Kyushu, Japan | NA | | | 1984 | COLLECTED | 1983 | Fukuoka Prefecture: Fukuoka: Kyushu University, Pharmaceutical Garden at Fruit Farm. | 33.62783800, 130.42297400 | | | Cultivated material | | 1024993 | WLP 741 |
| 52 | TARS 4899 | Roble dominicano (P.R.) | Catalpa longissima (Jacq.) Dum. Cours. | Puerto Rico, United States | MAY |  | | 1937 | DONATED | 12/10/1937 | | | | | | | 1029654 | TARS 4899 |