| australia | | neostrearia fleckeri | species | 1 | 0 |
| australia | | noahdendron nicholasii | species | 1 | 0 |
| australia | | ostrearia australiana | species | 1 | 0 |
| brazil | | fortunearia sinensis | species | 1 | 0 |
| brazil | | hamamelis sp. rp-2014 | species | 39 | 0 |
| canada | ontario | hamamelis virginiana | species | 5 | 0 |
| canada | quebec | hamamelis virginiana | species | 2 | 0 |
| china | | corylopsis glandulifera | species | 2 | 0 |
| china | | corylopsis sinensis | species | 2 | 0 |
| china | | disanthus cercidifolius | species | 2 | 0 |
| china | | distylium buxifolium | species | 154 | 0 |
| china | | distylium racemosum | species | 1 | 0 |
| china | | exbucklandia populnea | species | 2 | 0 |
| china | | fortunearia sinensis | species | 3 | 0 |
| china | | hamamelis mollis | species | 96 | 0 |
| china | | loropetalum chinense | species | 2 | 0 |
| china | | loropetalum chinense var. rubrum | varietas | 1 | 0 |
| china | | loropetalum subcordatum | species | 1 | 0 |
| china | | sinowilsonia henryi | species | 2 | 0 |
| china | anhui | corylopsis yunnanensis | species | 9 | 0 |
| china | beijing | hamamelis mollis | species | 19 | 0 |
| china | guangdong | distyliopsis dunnii | species | 8 | 0 |
| china | guangdong | distylium racemosum | species | 4 | 0 |
| china | guangdong | eustigma balansae | species | 4 | 0 |
| china | guangdong | loropetalum chinense | species | 8 | 0 |
| china | guangdong | rhodoleia championii | species | 18 | 0 |
| china | guangdong | semiliquidambar cathayensis | species | 19 | 0 |
| china | hainan | semiliquidambar cathayensis | species | 3 | 0 |
| china | hubei | fortunearia sinensis | species | 1 | 0 |
| china | hubei | sycopsis sinensis | species | 2 | 0 |
| china | yunnan | exbucklandia populnea | species | 2 | 0 |
| colombia | | matudaea colombiana | species | 158 | 0 |
| japan | | corylopsis glabrescens f. gotoana | forma | 1 | 0 |
| japan | | corylopsis spicata | species | 4 | 0 |
| japan | | hamamelis japonica f. obtusata | forma | 1 | 0 |
| japan | | loropetalum chinense var. rubrum | varietas | 5 | 0 |
| japan | aichi prefecture | corylopsis glabrescens f. gotoana | forma | 7 | 0 |
| japan | aichi prefecture | disanthus cercidifolius | species | 6 | 0 |
| japan | aichi prefecture | distylium racemosum | species | 4 | 0 |
| japan | aichi prefecture | hamamelis japonica | species | 12 | 0 |
| japan | aichi prefecture | loropetalum chinense var. rubrum | varietas | 1 | 0 |
| japan | akita prefecture | hamamelis japonica f. obtusata | forma | 4 | 0 |
| japan | aomori prefecture | hamamelis japonica | species | 3 | 0 |
| japan | ehime prefecture | distylium racemosum | species | 1 | 0 |
| japan | fukushima prefecture | hamamelis japonica f. obtusata | forma | 1 | 0 |
| japan | gifu prefecture | corylopsis glabrescens f. gotoana | forma | 16 | 0 |
| japan | gifu prefecture | disanthus cercidifolius | species | 22 | 0 |
| japan | gifu prefecture | distylium racemosum | species | 8 | 0 |
| japan | gifu prefecture | hamamelis japonica | species | 6 | 0 |
| japan | gifu prefecture | hamamelis japonica f. obtusata | forma | 2 | 0 |
| japan | hyogo prefecture | corylopsis pauciflora | species | 10 | 0 |
| japan | iwate prefecture | hamamelis japonica f. obtusata | forma | 3 | 0 |
| japan | kagoshima prefecture | distylium racemosum | species | 9 | 0 |
| japan | kochi prefecture | corylopsis glabrescens | species | 9 | 0 |
| japan | kochi prefecture | corylopsis spicata | species | 10 | 0 |
| japan | kochi prefecture | distylium racemosum | species | 1 | 0 |
| japan | kumamoto prefecture | distylium racemosum | species | 2 | 0 |
| japan | kyoto prefecture | corylopsis glabrescens f. gotoana | forma | 9 | 0 |
| japan | kyoto prefecture | corylopsis pauciflora | species | 18 | 0 |
| japan | kyoto prefecture | corylopsis platypetala | species | 9 | 0 |
| japan | kyoto prefecture | corylopsis sinensis | species | 9 | 0 |
| japan | kyoto prefecture | corylopsis spicata | species | 9 | 0 |
| japan | kyoto prefecture | corylopsis veitchiana | species | 9 | 0 |
| japan | kyoto prefecture | corylopsis willmottiae | species | 9 | 0 |
| japan | kyoto prefecture | loropetalum chinense | species | 8 | 0 |
| japan | mie prefecture | loropetalum chinense | species | 2 | 0 |
| japan | miyazaki prefecture | corylopsis glabrescens | species | 9 | 0 |
| japan | miyazaki prefecture | distylium racemosum | species | 1 | 0 |
| japan | nagano prefecture | disanthus cercidifolius | species | 4 | 0 |
| japan | nagasaki prefecture | distylium racemosum | species | 2 | 0 |
| japan | nara prefecture | corylopsis glabrescens | species | 9 | 0 |
| japan | niigata prefecture | hamamelis japonica f. obtusata | forma | 2 | 0 |
| japan | saga prefecture | distylium racemosum | species | 2 | 0 |
| japan | shiga prefecture | hamamelis japonica f. obtusata | forma | 4 | 0 |
| japan | shizuoka prefecture | hamamelis japonica | species | 2 | 0 |
| japan | shizuoka prefecture | loropetalum chinense | species | 12 | 0 |
| japan | tokyo prefecture | distylium lepidotum | species | 40 | 0 |
| japan | yamagata prefecture | hamamelis japonica f. obtusata | forma | 1 | 0 |
| mexico | | hamamelis mexicana | species | 1 | 0 |
| south africa | eastern cape province | trichocladus crinitus | species | 2 | 0 |
| south africa | kwazulu-natal province | trichocladus ellipticus | species | 2 | 0 |
| south africa | kwazulu-natal province | trichocladus grandiflorus | species | 2 | 0 |
| taiwan | | corylopsis pauciflora | species | 12 | 0 |
| taiwan | | corylopsis stenopetala | species | 9 | 0 |
| united states | arkansas | hamamelis vernalis | species | 1 | 0 |
| united states | district of columbia | corylopsis glandulifera | species | 3 | 0 |
| united states | florida | hamamelis virginiana | species | 1 | 0 |
| united states | georgia | hamamelis virginiana | species | 1 | 0 |
| united states | new jersey | hamamelis x intermedia | species | 6 | 0 |
| united states | new york | hamamelis x intermedia | species | 1 | 0 |
| united states | texas | exbucklandia populnea | species | 2 | 0 |
| united states | texas | fortunearia sinensis | species | 3 | 0 |
| united states | texas | rhodoleia championii | species | 1 | 0 |
| united states | virginia | hamamelis virginiana | species | 1 | 0 |
| united states | washington | fothergilla gardenii | species | 4 | 0 |
| united states | washington | fothergilla x intermedia | species | 4 | 0 |
| united states | washington | parrotia persica | species | 4 | 0 |
| united states | wisconsin | hamamelis virginiana | species | 6 | 0 |
| vietnam | khanh hoa province | eustigma sp. fu-v1586 | species | 2 | 0 |