| Species | Specimen # | Collection information | Genbank #s (ITS/matK) |
| Subgenus Chamaetia | | | | S. arctica Pallas | 982a | Royal Botanic Gardens, Kew, England, M. Chase | —/EU790669 | S. herbacea L. (#1) | 4306 | vic. Berlevag, Norway, C. Anttila | EF060384/EU790670 | S. herbacea L. (#2) | 6011 | Baffin Island, Canada, H. Roininen | EF060377/EU790671 | S. reticulata L. | 13928c | vic. Whitehorse (Mt. McIntyre), Yukon, Canada, G. Argus | EF060383/EU790672 | Subgenus Protitea | | | | S. acmophylla Boiss. | S.acmo1 | Boise, Idaho, USA, W. Buechler | EF060388/EU790675 | | | (cultivated, Botanic Garden, Cairo, Egypt) | | S. amygdaloides Andersson | S.amyg5046 | vic. Belleville, Ontario, Canada, S. Brunsfeld | EU784079/EU790673 | S. floridana Chapman | 6016 | Ocala, Florida, USA, L. Miller | EF060380/EU790674 | S. gooddingii C.R. Ball | S. gooddingii 2872-nm | New Mexico, USA, S. Brunsfeld | EU784081/EU790676 | S. humboldtiana Willd. | 3004-mx | vic. San Felipe, Oaxaca, Mexico, S. Brunsfeld | EF060372/EU790679 | Subgenus Salix | | | | S. alba L. | 7164 | Moscow, Idaho, USA, C. Anttila, (cultivated) | EF060381/EU790677 | S. chaenomeloides Kimura | chae2 | Boise, Idaho, USA, W. Buechler | EF060386/EU790678 | | | (cultivated, Forest Farms Nursery, Williams, Oregon) | | S. lucida Muhlenb. (#1) | ID(lasi5084) | Salt Creek, Idaho, USA, S. Brunsfeld | EF060382/EU790680 | S. lucida Muhlenb. (#2) | PA5025 | Blakeslee, Pennsylvania, USA, S. Brunsfeld | EF060371/EU790681 | S. magnifica Hemsl. | S.magn1 | Idaho, USA, W. Buechler (cultivated) | EF060379/EU790682 | S. pentandra L. (#1) | 1 | Joensuu, Findland, C. Anttila | EF060378/EU790684 | S. pentandra L. (#2) | 2017 | Vestbreen, Sweden, H. Roininen | EF060376/EU790685 | S. triandra L. | 127 | Oulu, Finland, C. Anttila | EF060385/EU790687 | Subgenus Longifoliae | | | | S. exigua Nutt. | 2914 | vic. Richland, Washington, USA, S. Brunsfeld | EU784078/DQ875028 | S.exigua Nutt. var. hindsiana (Benth.) Dorn | 2828 | vic. Gold Beach, Oregon, USA, S. Brunsfeld | EF060374/DQ875030 | S. interior Rowlee | 2956WI | vic. Hudson, Wisconsin, USA, S. Brunsfeld | EU784079/DQ875027 | S. melanopsis Nutt. | 5075MT | vic. Saltese, Montana, USA, S. Brunsfeld | EF060375/EU790683 | S. taxifolia Kunth | 3008 | vic. Tlapacoyan, Vera Cruz, Mexico, S. Brunsfeld | EF060373/EU790686 | Subgenus Vetrix | | | | S. alaxensis Cov. | 2956 | Seward Peninsula, Alaska, USA, M. Furniss | EF060390/EU790688 | S. bebbiana Sarg. (#1) | 5028 | Monroe County, Pennsylvania, USA, S. Brunsfeld | EF060370/EU790690 | S. bebbiana Sarg. (#2) | 5018 | vic. White Haven, Pennsylvania, USA, S. Brunsfeld | EF060369/EU790689 | S. cordata Michaux (#1) | 5039a | Sandy Creek Township, New York, USA, S. Brunsfeld | EF060393/EU790692 | S. cordata Michaux (#2) | 5040d | vic. Southwich Beach, New York, USA, S. Brunsfeld | EF060394/EU790691 | S. discolor Muhlenb. | WI6052a | vic. New Lisbon, Wisconsin, USA, S. Brunsfeld | —/EU790693 | S. eriocephala Michaux (#1) | 17 | vic. Milford, New York, USA, S. Brunsfeld | EF060367/EU790695 | S. eriocephala Michaux (#2) | 5052a OH | vic. Sheffield, Ohio, USA, S. Brunsfeld | EF060392/EU790694 | S. eriocephala Michaux (#3) | ID 4052 | vic. Spring Valley Reservoir, Idaho, USA, S. Brunsfeld | EF060391/EU790696 | S. eriocephala Michaux (#4) | erio4093-sask | Saskatchewan, Canada, J. Snuurr | EU784077/EU790697 | S. sericea Marshall (#1) | 5061i | Harlan County, Kentucky, USA, S. Brunsfeld | EF060387/EU790698 | S. sericea Marshall (#2) | 4.NY.S | vic. Milford, New York, USA, S. Brunsfeld | EF060368/EU790699 | S. wolfii Bebb ex Rothr. | 5092 ID | Stanley, Idaho, USA, S. Brunsfeld | EF060389/EU790700 | Subgenus Chosenia | | | | Chosenia arbutifolia (Pall.) A. K. Skvortsov | CHOSBRA6463 | Royal Botanic Gardens, Kew, England, M. Chase | EF060366/EU790701 | OUTGROUP | | | | Populus deltoides Marshall | 5050 | Westerfield, New York, USA, S. Brunsfeld | EF060365/EU790702 |
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