| Common Name | Scientific Name | Code |
| n/a | ?Cupressocyparis Dallimore | CUPRE2 |
| n/a | ?Cupressocyparis leylandii (Dallimore & Jackson) Dallimore | CULE2 |
| n/a | Callitris preissii Miq. [excluded] | CAPR21 |
| n/a | Chamaecyparis pisifera Sieb. & Zucc. [excluded] | CHPI12 |
| n/a | Cupressus sempervirens L. var. atlantica (Gaussen) Silba | CUSEA |
| n/a | Cupressus sempervirens L. var. dupreziana (A. Camus) Silba | CUSED |
| n/a | Fitzroya Hook. f. ex Lindl. | FITZR |
| n/a | Juniperus coahuilensis (Marti?ez) Gaussen ex R.P. Adams var. arizonica R.P. Adams | JUCOA2 |
| n/a | Juniperus foetidissima Willd. | JUFO2 |
| n/a | Juniperus monosperma (Engelm.) Sarg. var. gracilis Martinez [excluded] | JUMOG |
| n/a | Juniperus oxycedrus L. ssp. macrocarpa (Sm.) Ball | JUOXM2 |
| n/a | Juniperus pseudosabina Fisch. & C. A. Mey. | JUPS2 |
| n/a | Juniperus rigida Sieb. & Zucc. [excluded] | JURI3 |
| n/a | Juniperus wallichiana Hook. f. & Thomson ex Brandis | JUWA2 |
| Alaska cedar | Cupressus nootkatensis D. Don | CUNO |
| alligator juniper | Juniperus deppeana Steud. | JUDE2 |
| arar tree | Tetraclinis articulata (Vahl) Masters | TEAR7 |
| arborvitae | Thuja occidentalis L. | THOC2 |
| Arizona cypress | Cupressus arizonica Greene | CUAR |
| Arizona cypress | Cupressus arizonica Greene ssp. arizonica | CUARA |
| Ashe's juniper | Juniperus ashei Buchh. | JUAS |
| Atlantic white cedar | Chamaecyparis thyoides (L.) B.S.P. | CHTH2 |
| bald cypress | Taxodium distichum (L.) L.C. Rich. | TADI2 |
| bald cypress | Taxodium L.C. Rich. | TAXOD |
| Bentham cypress | Cupressus lusitanica Mill. var. benthamii (Endl.) Carriere | CULUB2 |
| cade juniper | Juniperus oxycedrus L. | JUOX2 |
| California juniper | Juniperus californica Carr. | JUCA7 |
| Callitris columellaris | Callitris glauca R. T. Baker & H. G. Sm. | CAGL28 |
| Callitris columellaris | Callitris glaucophylla J. Thompson & L. Johnson | CAGL23 |
| Callitris columellaris | Callitris hugelii auct. non (Carr.) Franco [misapplied] | CAHU3 |
| Callitris preissii | Callitris robusta (A. Cunn. ex Parl.) R. Br. ex F.M. Bailey [excluded] | CARO35 |
| Calocedrus decurrens | Heyderia decurrens (Torr.) K. Koch | HEDE10 |
| Calocedrus decurrens | Libocedrus decurrens Torr. | LIDE |
| Canary Islands juniper | Juniperus cedrus Webb & Berthel. | JUCE3 |
| cedar | Chamaecyparis Spach | CHAMA4 |
| cedar-of-Goa | Cupressus lusitanica Mill. | CULU2 |
| Chamaecyparis funebris | Cupressus funebris Endl. | CUFU2 |
| Chamaecyparis lawsoniana | Cupressus lawsoniana A. Murr. | CULA3 |
| Chamaecyparis thyoides | Chamaecyparis henryae Li | CHHE4 |
| Chamaecyparis thyoides | Chamaecyparis thyoides (L.) B.S.P. var. henryae (Li) Little | CHTHH |
| Chilean cedar | Austrocedrus chilensis (D. Don) Pic. Serm. & Bizzarri | AUCH |
| Chilean cedar | Austrocedrus Florin & Boutelje | AUSTR2 |
| Chinese fir | Cunninghamia lanceolata (Lamb.) Hook. | CULA |
| Chinese juniper | Juniperus chinensis L. | JUCH4 |
| common juniper | Juniperus communis L. | JUCO6 |
| common juniper | Juniperus communis L. var. communis L. [excluded] | JUCOC3 |
| common juniper | Juniperus communis L. var. depressa Pursh | JUCOD |
| common juniper | Juniperus communis L. var. saxatilis Pallas | JUCOS2 |
| creeping juniper | Juniperus horizontalis Moench | JUHO2 |
| cunninghamia | Cunninghamia R. Br. | CUNNI |
| Cupressus abramsiana | Cupressus goveniana Gord. var. abramsiana (C.B. Wolf) Little | CUGOA |
| Cupressus arizonica ssp. arizonica | Cupressus arizonica Greene var. glabra (Sudsworth) Little | CUARG |
| Cupressus arizonica ssp. arizonica | Cupressus glabra Sudsworth | CUGL9 |
| Cupressus arizonica ssp. nevadensis | Cupressus arizonica Greene var. nevadensis (Abrams) Little | CUARN |
| Cupressus arizonica ssp. nevadensis | Cupressus macnabiana A. Murr. var. nevadensis (Abrams) Abrams | CUMAN |
| Cupressus arizonica ssp. nevadensis | Cupressus nevadensis Abrams | CUNE2 |
| Cupressus arizonica ssp. stephensonii | Cupressus arizonica Greene var. stephensonii (C.B. Wolf) Little | CUARS |
| Cupressus arizonica ssp. stephensonii | Cupressus stephensonii C.B. Wolf | CUST |
| Cupressus bakeri | Cupressus bakeri Jepson ssp. matthewsii C.B. Wolf | CUBAM |
| Cupressus forbesii | Cupressus guadalupensis S. Wats. ssp. forbesii (Jepson) Beauchamp | CUGUF2 |
| Cupressus forbesii | Cupressus guadalupensis S. Wats. var. forbesii (Jepson) Little | CUGUF |
| Cupressus goveniana ssp. pygmaea | Cupressus goveniana Gord. var. pygmaea Lemmon | CUGOP |
| Cupressus goveniana ssp. pygmaea | Cupressus pygmaea (Lemmon) Sarg. | CUPY |
| Cupressus nootkatensis | Chamaecyparis nootkatensis (D. Don) Spach | CHNO |
| Cupressus sempervirens var. atlantica | Cupressus atlantica Gaussen | CUAT2 |
| Cupressus sempervirens var. dupreziana | Cupressus dupreziana A. Camus | CUDU2 |
| Cupressus torulosa | Cupressus torulosa D. Don var. corneyana Carriere | CUTOC2 |
| Cuyamaca cypress | Cupressus arizonica Greene ssp. stephensonii (C.B. Wolf) Beauchamp | CUARS2 |
| cypress | Cupressus L. | CUPRE |
| cypress-pine | Callitris Vent. | CALLI7 |
| dawn redwood | Metasequoia glyptostroboides Hu & W. C. Cheng | MEGL8 |
| dawn redwood | Metasequoia Miki ex Hu & W. C. Cheng | METAS2 |
| drooping juniper | Juniperus flaccida Schlecht. | JUFL |
| eastern juniper | Juniperus polycarpos K. Koch | JUPO4 |
| eastern redcedar | Juniperus virginiana L. | JUVI |
| eastern redcedar | Juniperus virginiana L. var. virginiana | JUVIV |
| flaky juniper | Juniperus squamata D. Don [excluded] | JUSQ2 |
| giant sequoia | Sequoiadendron Buchh. | SEQUO2 |
| giant sequoia | Sequoiadendron giganteum (Lindl.) Buchh. | SEGI2 |
| Gowen cypress | Cupressus goveniana Gord. | CUGO |
| Gowen cypress | Cupressus goveniana Gord. ssp. goveniana | CUGOG |
| Grecian juniper | Juniperus excelsa M. Bieb. | JUEX2 |
| Guadeloupe cypress | Cupressus guadalupensis S. Watson | CUGU2 |
| Himalayan cypress | Cupressus torulosa D. Don | CUTO2 |
| hinoki false cypress | Chamaecyparis obtusa (Siebold & Zucc.) Siebold & Zucc. ex Endl. | CHOB8 |
| incense cedar | Calocedrus decurrens (Torr.) Florin | CADE27 |
| incense cedar | Calocedrus Kurz | CALOC2 |
| Italian cypress | Cupressus sempervirens L. | CUSE2 |
| Japanese cedar | Cryptomeria D. Don | CRYPT4 |
| Japanese cedar | Cryptomeria japonica (L. f.) D. Don | CRJA3 |
| juniper | Juniperus L. | JUNIP |
| Juniperus ashei | Juniperus occidentalis Hook. var. conjungens Engelm. | JUOCC |
| Juniperus ashei | Juniperus occidentalis Hook. var. texana Vasey | JUOCT |
| Juniperus ashei | Juniperus sabinoides sensu Sarg., non Nees | JUSA4 |
| Juniperus californica | Juniperus cedrosiana Kellogg | JUCE |
| Juniperus californica | Juniperus cerrosianus Kellogg | JUCE2 |
| Juniperus californica | Juniperus pyriformis Lindl. | JUPY2 |
| Juniperus californica | Sabina californica (Carr.) Antoine | SACA29 |
| Juniperus coahuilensis var. coahuilensis | Juniperus erythrocarpa Cory var. coahuilensis Marti?ez | JUERC |
| Juniperus communis var. depressa | Juniperus canadensis Lodd. ex Burgsd. | JUCA13 |
| Juniperus communis var. depressa | Juniperus communis L. ssp. depressa (Pursh) Franco | JUCOD2 |
| Juniperus communis var. depressa | Juniperus depressa (Pursh) Raf. | JUDE4 |
| Juniperus communis var. saxatilis | Juniperus alpina (Sm.) S.F. Gray | JUAL7 |
| Juniperus communis var. saxatilis | Juniperus communis L. ssp. alpina (Sm.) Celak. | JUCOA8 |
| Juniperus communis var. saxatilis | Juniperus communis L. ssp. nana (Willd.) Syme | JUCON8 |
| Juniperus communis var. saxatilis | Juniperus communis L. ssp. saxitilis (Pallas) E. Murr. | JUCOS |
| Juniperus communis var. saxatilis | Juniperus communis L. var. alpina Sm. | JUCOA |
| Juniperus communis var. saxatilis | Juniperus communis L. var. jackii Rehd. | JUCOJ |
| Juniperus communis var. saxatilis | Juniperus communis L. var. montana Ait. | JUCOM2 |
| Juniperus communis var. saxatilis | Juniperus nana Willd. | JUNA |
| Juniperus communis var. saxatilis | Juniperus sibirica Burgsd. | JUSI3 |
| Juniperus deppeana | Juniperus deppeana Steud. ssp. sperryi (Correll) E. Murr. | JUDES |
| Juniperus deppeana | Juniperus deppeana Steud. var. pachyphlaea (Torr.) Marti?ez | JUDEP |
| Juniperus deppeana | Juniperus deppeana Steud. var. sperryi Correll | JUDES2 |
| Juniperus deppeana | Juniperus mexicana Schlecht. & Cham. | JUME6 |
| Juniperus deppeana | Juniperus pachyderma Sitgr. | JUPA6 |
| Juniperus flaccida | Juniperus flaccida Schlecht. var. gigantea (Roezl) Gaussen | JUFLG |
| Juniperus flaccida | Juniperus gigantea Roezl p.p. | JUGI |
| Juniperus flaccida | Juniperus gracilis Endl. | JUGR4 |
| Juniperus flaccida | Sabina flaccida (Schlecht.) Antoine | SAFL16 |
| Juniperus horizontalis | Juniperus horizontalis Moench var. argentea hort. | JUHOA2 |
| Juniperus horizontalis | Juniperus horizontalis Moench var. douglasii hort. | JUHOD |
| Juniperus horizontalis | Juniperus horizontalis Moench var. glauca Hornibr. | JUHOG2 |
| Juniperus horizontalis | Juniperus horizontalis Moench var. variegata Beissn. | JUHOV |
| Juniperus horizontalis | Juniperus hudsonica Forbes | JUHU3 |
| Juniperus horizontalis | Juniperus prostrata Pers. | JUPR2 |
| Juniperus horizontalis | Juniperus repens Nutt. | JURE4 |
| Juniperus horizontalis | Juniperus virginiana L. var. prostrata (Pers.) Torr. | JUVIP |
| Juniperus horizontalis | Sabina horizontalis (Moench) Rydb. | SAHO7 |
| Juniperus horizontalis | Sabina prostrata (Pers.) Antoine | SAPR10 |
| Juniperus monosperma | Juniperus occidentalis Hook. var. gymnocarpa Lemmon | JUOCG |
| Juniperus monosperma | Sabina monosperma (Engelm.) Rydb. | SAMO8 |
| Juniperus occidentalis var. australis | Juniperus occidentalis Hook. ssp. australis Vasek | JUOCA2 |
| Juniperus occidentalis var. occidentalis | Juniperus californica Carr. var. siskiyouensis Henderson | JUCAS2 |
| Juniperus occidentalis var. occidentalis | Sabina occidentalis (Hook.) Heller | SAOC9 |
| Juniperus osteosperma | Juniperus californica Carr. ssp. osteosperma (Torr.) E. Murr. | JUCAO |
| Juniperus osteosperma | Juniperus californica Carr. var. osteosperma (Torr.) L. Benson | JUCAO2 |
| Juniperus osteosperma | Juniperus californica Carr. var. utahensis Engelm. | JUCAU |
| Juniperus osteosperma | Juniperus knightii A. Nels. | JUKN |
| Juniperus osteosperma | Juniperus megalocarpa Sudworth | JUME7 |
| Juniperus osteosperma | Juniperus monosperma (Engelm.) Sarg. var. knightii (A. Nels.) Lemmon | JUMOK |
| Juniperus osteosperma | Juniperus occidentalis Hook. var. utahensis (Engelm.) Kent | JUOCU |
| Juniperus osteosperma | Juniperus utahensis (Engelm.) Lemmon | JUUT |
| Juniperus osteosperma | Juniperus utahensis (Engelm.) Lemmon var. megalocarpa (Sudworth) Sarg. | JUUTM |
| Juniperus osteosperma | Sabina osteosperma (Torr.) Antoine | SAOS |
| Juniperus osteosperma | Sabina utahensis (Engelm.) Rydb. | SAUT3 |
| Juniperus phoenicea | Juniperus phoenicea L. var. lycia Loisel. | JUPHL2 |
| Juniperus pinchotii | Juniperus erythrocarpa Cory | JUER |
| Juniperus pinchotii | Juniperus monosperma (Engelm.) Sarg. var. pinchotii (Sudworth) Van Melle | JUMOP |
| Juniperus pinchotii | Juniperus pinchotii Sudworth var. erythrocarpa (Cory) J. Silba | JUPIE |
| Juniperus pinchotii | Juniperus texensis Van Melle | JUTE4 |
| Juniperus polycarpos | Juniperus seravschanica Kom. | JUSE6 |
| Juniperus pseudosabina | Juniperus turkestanica Kom. | JUTU2 |
| Juniperus scopulorum | Juniperus scopulorum Sarg. var. columnaris Fassett | JUSCC2 |
| Juniperus scopulorum | Juniperus virginiana L. ssp. scopulorum (Sarg.) E. Murr. | JUVIS2 |
| Juniperus scopulorum | Juniperus virginiana L. var. montana Vasey | JUVIM |
| Juniperus scopulorum | Juniperus virginiana L. var. scopulorum (Sarg.) Lemmon | JUVIS4 |
| Juniperus scopulorum | Sabina scopulorum (Sarg.) Rydb. | SASC5 |
| Juniperus virginiana var. silicicola | Juniperus barbadensis C. Mohr, non L. | JUBA3 |
| Juniperus virginiana var. silicicola | Juniperus lucayana auct. non Britt. [misapplied] | JULU |
| Juniperus virginiana var. silicicola | Juniperus silicicola (Small) Bailey | JUSI |
| Juniperus virginiana var. silicicola | Juniperus virginiana L. ssp. silicicola (Small) E. Murr. | JUVIS3 |
| Juniperus virginiana var. silicicola | Sabina silicicola Small | SASI11 |
| Juniperus virginiana var. virginiana | Juniperus virginiana L. ssp. crebra (Fern. & Grisc.) E. Murr. | JUVIC |
| Juniperus virginiana var. virginiana | Juniperus virginiana L. var. crebra Fern. & Grisc. | JUVIC2 |
| Juniperus virginiana var. virginiana | Sabina virginiana (L.) Antoine | SAVI11 |
| Kashmir cypress | Cupressus cashmeriana Carriere | CUCA8 |
| MacNab's cypress | Cupressus macnabiana A. Murr. | CUMA |
| Modoc cypress | Cupressus bakeri Jepson | CUBA |
| Monterey cypress | Cupressus macrocarpa Hartw. ex Gord. | CUMA2 |
| Montezuma bald cypress | Taxodium mucronatum Ten. | TAMU |
| mourning-cypress | Chamaecyparis funebris (Endl.) Franco | CHFU6 |
| oneseed juniper | Juniperus monosperma (Engelm.) Sarg. | JUMO |
| Oriental arborvitae | Platycladus orientalis (L.) Franco | PLOR80 |
| Paiute cypress | Cupressus arizonica Greene ssp. nevadensis (Abrams) E. Murray | CUARN2 |
| Patagonian cypress | Fitzroya cupressoides (Molina) I. M. Johnst. | FICU2 |
| Phoenician juniper | Juniperus phoenicea L. | JUPH2 |
| Pigmy cypress-pine | Callitris oblonga Rich. | CAOB15 |
| Pinchot's juniper | Juniperus pinchotii Sudworth | JUPI |
| platycladus | Platycladus Spach | PLATY6 |
| Platycladus orientalis | Biota orientalis (L.) Endl. | BIOR80 |
| Platycladus orientalis | Thuja orientalis L. | THOR |
| Platycladus orientalis | Thuja orientalis L. var. aurea (Carriere) Rehder | THORA2 |
| pond cypress | Taxodium ascendens Brongn. | TAAS |
| Port Orford cedar | Chamaecyparis lawsoniana (A. Murr.) Parl. | CHLA |
| pygmy cypress | Cupressus goveniana Gord. ssp. pygmaea (Lemmon) Bartel | CUGOP2 |
| red cedar | Thuja L. | THUJA |
| redberry juniper | Juniperus coahuilensis (Marti?ez) Gaussen ex R.P. Adams | JUCO11 |
| redberry juniper | Juniperus coahuilensis (Marti?ez) Gaussen ex R.P. Adams var. coahuilensis | JUCOC2 |
| redwood | Sequoia Endl. | SEQUO |
| redwood | Sequoia sempervirens (Lamb. ex D. Don) Endl. | SESE3 |
| Rocky Mountain juniper | Juniperus scopulorum Sarg. | JUSC2 |
| Santa Cruz Island cypress | Cupressus abramsiana C.B. Wolf | CUAB |
| Sargent juniper | Juniperus chinensis L. var. sargentii A. Henry | JUCHS2 |
| Sargent's cypress | Cupressus sargentii Jepson | CUSA3 |
| savin | Juniperus sabina L. [excluded] | JUSA5 |
| Sequoiadendron giganteum | Sequoia gigantea (Lindl.) Dcne. | SEGI3 |
| Sequoiadendron giganteum | Sequoia wellingtonia Seem. | SEWE6 |
| shore juniper | Juniperus conferta Parl. | JUCO12 |
| southern redcedar | Juniperus virginiana L. var. silicicola (Small) J. Silba | JUVIS |
| Syrian juniper | Juniperus drupacea Labill. | JUDR2 |
| Taxodium ascendens | Taxodium distichum (L.) L.C. Rich. var. imbricarium (Nutt.) Croom | TADII |
| Taxodium ascendens | Taxodium distichum (L.) L.C. Rich. var. nutans (Ait.) Sweet | TADIN |
| tecate cypress | Cupressus forbesii Jepson | CUFO2 |
| tetraclinis | Tetraclinis Masters | TETRA12 |
| Thuja occidentalis | Thuja occidentalis L. | THOCM3 |
| Thuja occidentalis | Thuja occidentalis L. var. fastigiata H. Jaeger | THOCF |
| Thuja occidentalis | Thuja occidentalis L. var. nigra L. H. Bailey | THOCN |
| Thuja occidentalis | Thuja occidentalis L. var. pyramidalis Zederb. | THOCP3 |
| Utah juniper | Juniperus osteosperma (Torr.) Little | JUOS |
| western juniper | Juniperus occidentalis Hook. | JUOC |
| western juniper | Juniperus occidentalis Hook. var. australis (Vasek) A.& N. Holmgren | JUOCA |
| western juniper | Juniperus occidentalis Hook. var. occidentalis | JUOCO |
| western red cedar | Thuja plicata Donn ex D. Don | THPL |
| white cypress-pine | Callitris columellaris F.J. Muell. | CACO2 |