| Common Name | Scientific Name | Code |
|---|
| n/a | Carya ?brownii Sarg. [cordiformis ? illinoinensis] | CABR16 |
| n/a | Carya ?collina Laughlin [alba ? texana] | CACO24 |
| n/a | Carya ?demareei Palmer [cordiformis ? glabra] | CADE10 |
| n/a | Carya ?dunbarii Sarg. [laciniosa ? ovata] | CADU3 |
| n/a | Carya ?laneyi Sarg. [cordiformis ? ovata] | CALA34 |
| n/a | Carya ?lecontei Little [aquatica ? illinoinensis] | CALE13 |
| n/a | Carya ?ludoviciana (Ashe) Little [aquatica ? texana] | CALU8 |
| n/a | Carya ?nussbaumeri Sarg. [illinoinensis ? laciniosa] | CANU8 |
| n/a | Carya ?schneckii Sarg. [alba ? illinoinensis] | CASC16 |
| n/a | Juglans ?bixbyi Rehd. [ailanthifolia ? cinerea] | JUBI3 |
| n/a | Juglans ?intermedia Carr. [nigra ? regia] | JUIN3 |
| n/a | Juglans ?quadrangulata (Carr.) Rehd. (pro sp.) [cinerea ? regia] | JUQU |
| n/a | Platycarya Siebold & Zucc. | PLATY14 |
| n/a | Platycarya strobilacea Siebold & Zucc. | PLST9 |
| Andean walnut | Juglans neotropica Diels | 5-Jun |
| Arizona walnut | Juglans major (Torr.) Heller | JUMA |
| bitternut hickory | Carya cordiformis (Wangenh.) K. Koch | CACO15 |
| black hickory | Carya texana Buckl. | CATE9 |
| black walnut | Juglans nigra L. | JUNI |
| Bolivian walnut | Juglans boliviana (C. DC.) Dode | JUBO4 |
| butternut | Juglans cinerea L. | JUCI |
| Carya ?brownii | Carya brownii Sarg. var. varians Sarg. | CABRV |
| Carya ?laneyi | Carya ?laneyi Sarg. var. chateaugayensis (Sarg.) Boivin | CALAC2 |
| Carya ?lecontei | Hicoria texana Le Conte | HITE2 |
| Carya alba | Carya tomentosa (Lam. ex Poir.) Nutt. | CATO6 |
| Carya alba | Carya tomentosa (Lam. ex Poir.) Nutt. var. subcoriacea (Sarg.) Palmer & Steyermark | CATOS |
| Carya alba | Hicoria tomentosa (Lam. ex Poir.) Raf. | HITO |
| Carya alba | Juglans alba L. p.p. | JUAL5 |
| Carya aquatica | Carya aquatica (Michx. f.) Nutt. var. australis Sarg. | CAAQA3 |
| Carya aquatica | Hicoria aquatica (Michx. f.) Britt. | HIAQ |
| Carya carolinae-septentrionalis | Carya ovata (P. Mill.) K. Koch var. australis (Ashe) Little | CAOVA |
| Carya carolinae-septentrionalis | Carya ovata (P. Mill.) K. Koch var. carolinae-septentrionalis (Ashe) Reveal | CAOVC |
| Carya carolinae-septentrionalis | Hicoria carolinae-septentrionalis Ashe | HICA8 |
| Carya cordiformis | Carya cordiformis (Wangenh.) K. Koch var. latifolia Sarg. | CACOL3 |
| Carya cordiformis | Hicoria cordiformis (Wangenh.) Britt. | HICO5 |
| Carya floridana | Hicoria floridana (Sarg.) Sudworth | HIFL6 |
| Carya glabra | Carya glabra (P. Mill.) Sweet var. glabra (P. Mill.) Sweet [superfluous autonym] | CAGLG2 |
| Carya glabra | Carya glabra (P. Mill.) Sweet var. hirsuta (Ashe) Ashe | CAGLH |
| Carya glabra | Carya glabra (P. Mill.) Sweet var. megacarpa (Sarg.) Sarg. | CAGLM |
| Carya glabra | Carya leiodermis Sarg. | CALE32 |
| Carya glabra | Carya magnifloridana Murrill | CAMA41 |
| Carya glabra | Carya microcarpa (Nutt.) Britt. | CAMI33 |
| Carya glabra | Carya ovalis (Wangenh.) Sarg. var. hirsuta (Ashe) Sarg. | CAOVH |
| Carya glabra | Hicoria austrina Small | HIAU3 |
| Carya glabra | Hicoria glabra (P. Mill.) Britt. | HIGL |
| Carya glabra | Hicoria glabra (P. Mill.) Britt. var. hirsuta Ashe | HIGLH |
| Carya illinoinensis | Carya oliviformis (Michx. f.) Nutt. | CAOL6 |
| Carya illinoinensis | Carya pecan (Marsh.) Engl. & Graebn. | CAPE26 |
| Carya illinoinensis | Hicoria pecan (Marsh.) Britt. | HIPE |
| Carya laciniosa | Hicoria laciniosa (Michx. f.) Sarg. | HILA7 |
| Carya myristiciformis | Hicoria myristiciformis (Michx. f.) Britt. | HIMY |
| Carya ovalis | Carya glabra (P. Mill.) Sweet var. odorata (Marsh.) Little | CAGLO |
| Carya ovalis | Carya ovalis (Wangenh.) Sarg. var. mollis (Ashe) Sudworth | CAOVM |
| Carya ovalis | Carya ovalis (Wangenh.) Sarg. var. obcordata (Muhl. & Willd.) Sarg. | CAOVO |
| Carya ovalis | Carya ovalis (Wangenh.) Sarg. var. obovalis Sarg. | CAOVO4 |
| Carya ovalis | Carya ovalis (Wangenh.) Sarg. var. odorata (Marsh.) Sarg. | CAOVO2 |
| Carya ovalis | Hicoria ovalis (Wangenh.) Ashe | HIOV |
| Carya ovata | Carya ovata (P. Mill.) K. Koch var. fraxinifolia Sarg. | CAOVF |
| Carya ovata | Carya ovata (P. Mill.) K. Koch var. nuttallii Sarg. | CAOVN |
| Carya ovata | Carya ovata (P. Mill.) K. Koch var. pubescens Sarg. | CAOVP |
| Carya ovata | Hicoria alba Britt. p.p. | HIAL7 |
| Carya ovata | Hicoria borealis Ashe | HIBO3 |
| Carya ovata | Hicoria ovata (P. Mill.) Britt. | HIOV2 |
| Carya pallida | Hicoria pallida Ashe | HIPA7 |
| Carya texana | Carya buckleyi Dur. | CABU9 |
| Carya texana | Carya buckleyi Dur. var. arkansana (Sarg.) Sarg. | CABUA2 |
| Carya texana | Carya glabra (P. Mill.) Sweet var. villosa (Sarg.) B.L. Robins. | CAGLV |
| Carya texana | Carya texana Buckl. var. arkansana (Sarg.) Little | CATEA |
| Carya texana | Carya texana Buckl. var. villosa (Sarg.) Little | CATEV |
| Carya texana | Hicoria arkansana (Sarg.) Ashe | HIAR4 |
| Carya texana | Hicoria texana auct. non Le Conte [misapplied] | HITE3 |
| Carya texana | Hicoria villosa (Sarg.) Ashe | HIVI2 |
| Chinese wingnut | Pterocarya stenoptera C. DC. | PTST80 |
| English walnut | Juglans regia L. | JURE80 |
| hickory | Carya Nutt. | CARYA |
| Japanese walnut | Juglans ailantifolia Carr. | JUAI2 |
| Juglans ailantifolia | Juglans ailanthifolia Carr. [orthographic error] | JUAI |
| Juglans ailantifolia | Juglans sieboldiana Maxim. | JUSI2 |
| Juglans californica | Juglans californica S. Watson var. californica S. Watson [superfluous autonym] | JUCAC5 |
| Juglans cinerea | Wallia cinerea (L.) Alef. | WACI |
| Juglans hindsii | Juglans californica S. Wats. var. hindsii Jepson | JUCAH |
| Juglans major | Juglans elaeopyren Dode | JUEL2 |
| Juglans major | Juglans microcarpa Berl. var. major (Torr.) L. Benson | JUMIM2 |
| Juglans major | Juglans rupestris Engelm. ex Torr. var. major Torr. | JURUM |
| Juglans mandshurica | Juglans cathayensis Dode | JUCA14 |
| Juglans microcarpa var. microcarpa | Juglans rupestris Engelm. ex Torr. | JURU4 |
| Juglans neotropica | Juglans honorei Dode | JUHO3 |
| Juglans nigra | Wallia nigra (L.) Alef. | WANI |
| little walnut | Juglans microcarpa Berl. | JUMI |
| little walnut | Juglans microcarpa Berl. var. microcarpa | JUMIM |
| Manchurian walnut | Juglans mandshurica Maxim. | JUMA8 |
| mockernut hickory | Carya alba (L.) Nutt. ex Ell. | CAAL27 |
| Northern California walnut | Juglans hindsii (Jepson) Jepson ex R.E. Sm. | JUHI |
| nutmeg hickory | Carya myristiciformis (Michx. f.) Nutt. | CAMY |
| pecan | Carya illinoinensis (Wangenh.) K. Koch | CAIL2 |
| pignut hickory | Carya glabra (P. Mill.) Sweet | CAGL8 |
| pterocarya | Pterocarya Kunth | PTERO6 |
| red hickory | Carya ovalis (Wangenh.) Sarg. | CAOV3 |
| sand hickory | Carya pallida (Ashe) Engl. & Graebn. | CAPA24 |
| scrub hickory | Carya floridana Sarg. | CAFL6 |
| shagbark hickory | Carya ovata (P. Mill.) K. Koch | CAOV2 |
| shellbark hickory | Carya laciniosa (Michx. f.) G. Don | CALA21 |
| Southern California walnut | Juglans californica S. Wats. | JUCA |
| southern shagbark hickory | Carya carolinae-septentrionalis (Ashe) Engl. & Graebn. | CACA38 |
| Stewart's little walnut | Juglans microcarpa Berl. var. stewartii (I.M. Johnston) W. Manning | JUMIS |
| walnut | Juglans L. | JUGLA |
| water hickory | Carya aquatica (Michx. f.) Nutt. | CAAQ2 |
| West Indian walnut | Juglans jamaicensis C. DC. | JUJA |
Plant Names