| 0 | PI 693505 | ALB-2013-067 | Arbutus unedo L. | Tepelene, Albania | COR | | Not Available | 2014 | COLLECTED | 11/03/2013 | Near town of Luzat. | 40.24920000, 20.03010000 | 408 | Associated vegetation: Holly oak, Eurasian smoketree, Oriental hornbeam, juniper, sage. | Wild material | | 1914877 | PI 693505 |
| 1 | PI 559471 | 'Compacta' | Arbutus unedo L. | Oregon, United States | | | Historic | 1991 | DEVELOPED | | | | | | Cultivar | Compact Strawberry Bush | 1454443 | PI 559471 |
| 2 | PI 559470 | MADRONE | Arbutus menziesii Pursh | Washington, United States | | | Historic | 1991 | DONATED | 03/05/1991 | | | | | Cultivated material | | 1454442 | PI 559470 |
| 3 | PI 559463 | Greek Strawberry Tree - OSU | Arbutus andrachne L. | Oregon, United States | | | Historic | 1991 | DONATED | 02/19/1991 | | | | | Uncertain improvement status | No additional information provided upon receipt | 1454435 | PI 559463 |
| 4 | PI 559464 | Madrone - Arizona | Arbutus arizonica (A. Gray) Sarg. | Arizona, United States | | | Historic | 1991 | DONATED | 01/30/1991 | | | | | Cultivated material | No additional information provided upon receipt | 1454436 | PI 559464 |
| 5 | PI 559469 | MADRONE | Arbutus menziesii Pursh | Oregon, United States | | | Historic | 1991 | COLLECTED | | Western interior valleys of Oregon | 44.50000000, -123.00000000 | | | Wild material | | 1454441 | PI 559469 |
| 6 | PI 559466 | MADRONE | Arbutus menziesii Pursh | Oregon, United States | | | Historic | 1990 | COLLECTED | 10/1990 | Rest area north of Grant's Pass, Oregon mile post 63 I5 | 42.33333333, -123.33333333 | | | Wild material | | 1454438 | PI 559466 |
| 7 | PI 559467 | MADRONE | Arbutus menziesii Pursh | Oregon, United States | COR | | Not Available | 1990 | COLLECTED | 10/1990 | Gold Hill Exit No. 40, I5 | 42.33333333, -123.33333333 | | | Wild material | | 1454439 | PI 559467 |
| 8 | PI 559468 | MADRONE | Arbutus menziesii Pursh | Oregon, United States | | | Historic | 1990 | COLLECTED | 10/1990 | Valley of the Rogue Rest Area, I5 | 42.33333333, -123.33333333 | | | Wild material | | 1454440 | PI 559468 |
| 9 | PI 559465 | MADRONE | Arbutus menziesii Pursh | Oregon, United States | | | Historic | 1990 | COLLECTED | 1986 | Near Monroe | 44.33333333, -123.33333333 | | | Wild material | No additional information provided | 1454437 | PI 559465 |
| 10 | PI 318447 | 'Rubra' | Arbutus unedo L. | United Kingdom | | | Historic | 1981 | COLLECTED | | | | | | | | 1709348 | PI 318447 |
| 11 | PI 442158 | | Arbutus unedo L. | Mexico | | | Historic | 1979 | COLLECTED | 11/10/1979 | Puente Buenos Aires near Km 154.5, Carretera 40, Durango | | | | | Shrub, low. Fruit globose, shiny red, 8 to 12mm diam. | 1337094 | PI 442158 |
| 12 | PI 317599 | | Arbutus ×andrachnoides Link | United Kingdom | | | Historic | 1966 | COLLECTED | | | | | | | | 1709170 | PI 317599 |
| 13 | PI 317600 | | Arbutus unedo L. | United Kingdom | | | Historic | 1966 | COLLECTED | | | | | | | | 1709171 | PI 317600 |
| 14 | PI 293761 | No. 1361 | Arbutus andrachne L. | Krym, Ukraine | | | Historic | 1963 | COLLECTED | | Rocky ledges, sea cliffs above Yalta | | | | | | 1699305 | PI 293761 |
| 15 | PI 262382 | | Arbutus xalapensis Kunth | Maryland, United States | | | Historic | 1959 | DONATED | 12/29/1959 | | | | | | | 1566982 | PI 262382 |
| 16 | PI 262384 | | Arbutus arizonica (A. Gray) Sarg. | Maryland, United States | | | Historic | 1959 | DONATED | 12/29/1959 | | | | | | | 1566983 | PI 262384 |
| 17 | PI 260704 | | Arbutus sp. | New York, United States | | | Historic | 1959 | DONATED | 09/28/1959 | | | | | | | 1563248 | PI 260704 |
| 18 | PI 122226 | No. 3488 | Arbutus andrachne L. | Turkey | | | Historic | 1937 | COLLECTED | 10/25/1936 | Between Haydarpasha and Shile | | | | | | 1833186 | PI 122226 |
| 19 | PI 108298 | | Arbutus andrachne L. | Greater Athens, Greece | | | Historic | 1935 | COLLECTED | 11/09/1934 | | | | | | | 1492294 | PI 108298 |
| 20 | PI 109035 | No. T-155 | Arbutus andrachne L. | Giresun, Turkey | | | Historic | 1935 | COLLECTED | 09/27/1934 | | | | | | | 1800024 | PI 109035 |
| 21 | PI 90051 | Madrono | Arbutus xalapensis Kunth | Hidalgo, Mexico | | | Historic | 1930 | COLLECTED | 11/06/1930 | Mountains south of Real del Monte | | | | | | 1755435 | PI 90051 |
| 22 | PI 76211 | | Arbutus unedo L. | England, United Kingdom | | | Historic | 1928 | COLLECTED | | | | | | | | 1730899 | PI 76211 |
| 23 | PI 66261 | No. 228 | Arbutus canariensis Veill. | Campania, Italy | | | Historic | 1926 | COLLECTED | 11/14/1925 | Naples Botanic Garden | | | | | | 1717877 | PI 66261 |
| 24 | PI 65173 | | Arbutus canariensis Veill. | Canarias, Spain | | | Historic | 1925 | COLLECTED | | | | | | | | 1498900 | PI 65173 |
| 25 | PI 56529 | | Arbutus canariensis Veill. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1923 | COLLECTED | | | | | | | | 1656623 | PI 56529 |
| 26 | PI 41726 | | Arbutus arizonica (A. Gray) Sarg. | Arizona, United States | | | Historic | 1916 | COLLECTED | | | | | | | | 1509300 | PI 41726 |
| 27 | PI 41502 | | Arbutus unedo L. | California, United States | | | Historic | 1915 | COLLECTED | | | | | | | | 1509243 | PI 41502 |
| 28 | PI 36529 | | Arbutus canariensis Veill. | Canarias, Spain | | | Historic | 1913 | COLLECTED | | | | | | | | 1515913 | PI 36529 |
| 29 | PI 27187 | No. 1251a | Arbutus andrachne L. | Krym, Ukraine | | | Historic | 1910 | COLLECTED | 01/24/1910 | | | | | | | 1588866 | PI 27187 |
| 30 | PI 8244 | | Arbutus unedo L. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1902 | COLLECTED | | | | | | | | 1547256 | PI 8244 |
| 31 | PI 3963 | | Arbutus arizonica (A. Gray) Sarg. | Unknown | | | Historic | 1899 | COLLECTED | | | | | | | | 1539054 | PI 3963 |
| 32 | PI 3484 | | Arbutus andrachne L. | Sicilia, Italy | | | Historic | 1899 | COLLECTED | | | | | | | | 1537690 | PI 3484 |
| 33 | PI 3485 | | Arbutus canariensis Veill. | Sicilia, Italy | | | Historic | 1899 | COLLECTED | | | | | | | | 1537691 | PI 3485 |
| 34 | PI 2657 | 'Arbousier des Pyrenees' | Arbutus unedo L. | France | | | Historic | 1899 | COLLECTED | | | | | | | | 1536316 | PI 2657 |
| 35 | PI 1564 | | Arbutus unedo L. | France | | | Historic | 1898 | COLLECTED | | | | | | | | 1534018 | PI 1564 |
| 36 | PI 1565 | | Arbutus andrachne L. | France | | | Historic | 1898 | COLLECTED | | | | | | | | 1534019 | PI 1565 |
| 37 | PI 815 | | Arbutus canariensis Veill. | Campania, Italy | | | Historic | 1898 | COLLECTED | | | | | | Cultivated material | | 1481916 | PI 815 |
| 38 | PI 816 | | Arbutus unedo L. | Campania, Italy | | | Historic | 1898 | COLLECTED | | | | | | Cultivated material | | 1481917 | PI 816 |
| 39 | PI 817 | | Arbutus andrachne L. | Campania, Italy | | | Historic | 1898 | COLLECTED | | | | | | Cultivated material | | 1481918 | PI 817 |
| 40 | NA 88810 | TJK2023LA/TX-010 | Arbutus xalapensis Kunth | Texas, United States | NA | | | 2023 | COLLECTED | 11/28/2023 | 22 Tower Rd. Spanish Pass, a 1700 Spanish trail leading northwest from San Antonio to Presidio San Luis de las Amarillas, a Spanish fort on the San Saba River. Later, [the trail] gave way to a train route for The Old No 9. Sections of the rail bed are still discernible. | 29.85640000, -98.78040000 | 510 | Steep limestone bluff. Slope: 15%. Aspect: East. Elevation: 1674 feet. | Wild material | | 2159193 | NA 88810 |
| 41 | W6 49126 | OR110-835 | Arbutus menziesii Pursh | United States | |  | Historic | 2015 | COLLECTED | 2013 | | | | | Wild material | | 1925146 | W6 49126 |
| 42 | W6 33150 | 342454 | Arbutus menziesii Pursh | Oregon, United States | |  | Historic | 2008 | COLLECTED | 10/06/2006 | | | 234 | Aspect: N Mowed, road, r/w. | Wild material | | 1780125 | W6 33150 |
| 43 | W6 27338 | 204565 | Arbutus menziesii Pursh | United States | |  | Historic | 2005 | COLLECTED | 10/16/2003 | | | 30 | Associated with Pinus contorta ssp. contorta, Morella californica, Pseudotsuga menziesii, Rhododendron macrophyllum and Vaccinium ovatum. | Wild material | Tree 6 meters tall. | 1674369 | W6 27338 |
| 44 | W6 27339 | 204576 | Arbutus menziesii Pursh | United States | |  | Historic | 2005 | COLLECTED | 10/16/2003 | | | 30 | Associated with Pinus contorta ssp. contorta, Morella californica, Pseudotsuga menziesii, Rhododendron macrophyllum and Vaccinium ovatum. | Wild material | Tree 6 meters tall. | 1674370 | W6 27339 |
| 45 | W6 27340 | 204587 | Arbutus menziesii Pursh | United States | |  | Historic | 2005 | COLLECTED | 10/16/2003 | | | 30 | Associated with Pinus contorta ssp. contorta, Morella californica, Pseudotsuga menziesii, Rhododendron macrophyllum and Vaccinium ovatum. | Wild material | Tree 6 meters tall. | 1674371 | W6 27340 |
| 46 | NA 74368 | UCBG-2001-053 | Arbutus menziesii Pursh | California, United States | NA | | Not Available | 2004 | COLLECTED | 11/17/2001 | Sonoma county Calf. , %.6 kn N of cazadero on King Ridge Rd. | | 183 | Steep slope of mixed everygreen, Sequoia sempervirens,,Woodlands | Wild material | | 1777568 | NA 74368 |
| 47 | CARB 15 | Madrone | Arbutus menziesii Pursh | | | | Historic | 1993 | COLLECTED | | Seeds originally collected from Orcas Island, Washington | | | | Cultivated material | Seeds stratified to grow in pots, root pruned at each transplanting. Grow in stoney well drained soil. | 1000573 | CARB 15 |
| 48 | CARB 14 | Madrone - Oregon | Arbutus menziesii Pursh | Oregon, United States | | | Historic | 1992 | COLLECTED | | Seeds originally collected at 'Amos Ranch', Grants Pass, OR | | | | Cultivated material | | 1000559 | CARB 14 |
| 49 | CARB 13 | Madrone - Washington | Arbutus menziesii Pursh | Washington, United States | | | Historic | 1992 | COLLECTED | 03/1992 | Deer Park Area | | | | Wild material | | 1000504 | CARB 13 |
| 50 | CARB 11 | MADRONE | Arbutus andrachne L. | Turkey | | | Historic | 1992 | COLLECTED | | | | | | Uncertain improvement status | Improvement status unspecified | 1000435 | CARB 11 |