| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| DIBR2 | Dicliptera brachiata (Pursh) Spreng. | branched foldwing | Acanthaceae
|
| DICH2 | Dicliptera chinensis (L.) Juss. | Chinese foldwing | Acanthaceae
|
| DIGL4 | Dicliptera glandulosa Scheele | Dicliptera brachiata | Acanthaceae
|
| DIHA3 | Dicliptera halei Riddell | Yeatesia viridiflora | Acanthaceae
|
| DIKR | Dicliptera krugii Urban | Krug's foldwing | Acanthaceae
|
| DIMA23 | Dicliptera martinicensis (Jacq.) Juss. | | Acanthaceae
|
| DIPS2 | Dicliptera pseudoverticillaris Gray | Dicliptera resupinata | Acanthaceae
|
| DIRE4 | Dicliptera resupinata (Vahl) Juss. | Arizona foldwing | Acanthaceae
|
| DISE9 | Dicliptera sexangularis (L.) Juss. | sixangle foldwing | Acanthaceae
|
| DITO3 | Dicliptera torreyi Gray | Dicliptera resupinata | Acanthaceae
|
| DIVA4 | Dicliptera vahliana Nees | Dicliptera sexangularis | Acanthaceae
|
| DIVI8 | Dicliptera viridiflora (Nees) R.W. Long | Yeatesia viridiflora | Acanthaceae
|
| DICLI | Dicliptera Juss. | foldwing | Acanthaceae
|
| DIBR3 | Dicoria brandegeei Gray | Dicoria canescens ssp. brandegeei | Asteraceae
|
| DICAB | Dicoria canescens Gray ssp. brandegeei (Gray) Kartesz, comb. nov. ined. | desert twinbugs | Asteraceae
|
| DICAC2 | Dicoria canescens Gray ssp. canescens | desert twinbugs | Asteraceae
|
| DICAC | Dicoria canescens Gray ssp. clarkiae (Kennedy) Keck | desert twinbugs | Asteraceae
|
| DICAH | Dicoria canescens Gray ssp. hispidula (Rydb.) Keck | desert twinbugs | Asteraceae
|
| DICAW | Dicoria canescens Gray ssp. wetherillii (Eastw.) Kartesz, comb. nov. ined. | desert twinbugs | Asteraceae
|
| DICAB2 | Dicoria canescens Gray var. brandegeei (Gray) Cronq. | Dicoria canescens ssp. brandegeei | Asteraceae
|
| DICAH2 | Dicoria canescens Gray var. hispidula (Rydb.) Cronq. | Dicoria canescens ssp. hispidula | Asteraceae
|
| DICAW2 | Dicoria canescens Gray var. wetherillii (Eastw.) Cronq. | Dicoria canescens ssp. wetherillii | Asteraceae
|
| DICA4 | Dicoria canescens Gray | desert twinbugs | Asteraceae
|
| DICL3 | Dicoria clarkiae Kennedy | Dicoria canescens ssp. clarkiae | Asteraceae
|
| DIOB | Dicoria oblongifolia Rydb. | Dicoria canescens ssp. canescens | Asteraceae
|
| DIPA2 | Dicoria paniculata Eastw. | Dicoria canescens ssp. brandegeei | Asteraceae
|
| DIWE | Dicoria wetherillii Eastw. | Dicoria canescens ssp. wetherillii | Asteraceae
|
| DICOR | Dicoria Torr. ex Gray | twinbugs | Asteraceae
|
| DICEA | Dicranella cerviculata (Hedw.) Schimp. var. americana Grout | Dicranella cerviculata | Dicranaceae
|
| DICE70 | Dicranella cerviculata (Hedw.) Schimp. | dicranella moss | Dicranaceae
|
| DICR70 | Dicranella crispa (Hedw.) Schimp. | dicranella moss | Dicranaceae
|
| DIGR70 | Dicranella grevilleana (Brid.) Schimp. | Greville's dicranella moss | Dicranaceae
|
| DIHE4 | Dicranella herminieri Besch. | Dicranella hilariana | Dicranaceae
|
| DIHEO | Dicranella heteromalla (Hedw.) Schimp. var. orthocarpa (Hedw.) Jaeg. | Dicranella heteromalla | Dicranaceae
|
| DIHES | Dicranella heteromalla (Hedw.) Schimp. var. sericea (Schimp.) Pfeff. | Dicranella heteromalla | Dicranaceae
|
| DIHE70 | Dicranella heteromalla (Hedw.) Schimp. | dicranella moss | Dicranaceae
|
| DIHI8 | Dicranella hilariana (Mont.) Mitt. | dicranella moss | Dicranaceae
|
| DIHO4 | Dicranella howei Ren. & Card. | Howe's dicranella moss | Dicranaceae
|
| DIHU3 | Dicranella hutchinsonii Krajina | Dicranella rufescens | Dicranaceae
|
| DILI9 | Dicranella lindigiana (Hampe) Mitt. | Lindig's dicranella moss | Dicranaceae
|
| DIOH | Dicranella ohioense (Robins.) Crum | Dicranella cerviculata | Dicranaceae
|
| DIPA19 | Dicranella pacifica Schof. | Pacific dicranella moss | Dicranaceae
|
| DIPA20 | Dicranella palustris (Dicks.) Crundw. ex Warb. | dicranella moss | Dicranaceae
|
| DIRU4 | Dicranella rubra Lindb. | Dicranella varia | Dicranaceae
|
| DIRU70 | Dicranella rufescens (With.) Schimp. | dicranella moss | Dicranaceae
|
| DISCE2 | Dicranella schreberi Schimp. var. elata Schimp. | Dicranella schreberiana var. robusta | Dicranaceae
|
| DISC7 | Dicranella schreberi Schimp. | Dicranella schreberiana var. schreberiana | Dicranaceae
|
| DISCR | Dicranella schreberiana (Hedw.) Hilf. ex Crum & Anderson var. robusta (Schimp. ex Braithw.) Crum & Anderson | robust Schreber's dicranella moss | Dicranaceae
|
| DISCS | Dicranella schreberiana (Hedw.) Hilf. ex Crum & Anderson var. schreberiana | Schreber's dicranella moss | Dicranaceae
|
| DISC8 | Dicranella schreberiana (Hedw.) Hilf. ex Crum & Anderson | Schreber's dicranella moss | Dicranaceae
|
| DISP9 | Dicranella sphaerocarpa Card. | Dicranella lindigiana | Dicranaceae
|
| DISQ | Dicranella squarrosa (Stark) Schimp. | Dicranella palustris | Dicranaceae
|
| DIST7 | Dicranella stickinensis Grout | sticky dicranella moss | Dicranaceae
|
| DISU70 | Dicranella subulata (Hedw.) Schimp. | dicranella moss | Dicranaceae
|
| DIVA7 | Dicranella varia (Hedw.) Schimp. | dicranella moss | Dicranaceae
|
| DICRA4 | Dicranella (C. M�ll.) Schimp. | dicranella moss | Dicranaceae
|
| DIPA3 | Dicranocarpus parviflorus Gray | pitchfork | Asteraceae
|
| DICRA | Dicranocarpus Gray | dicranocarpus | Asteraceae
|
| DIAS5 | Dicranodontium asperulum (Mitt.) Broth. | dicranodontium moss | Dicranaceae
|
| DIDE6 | Dicranodontium denudatum (Brid.) Britt. in Williams | denuded dicranodontium moss | Dicranaceae
|
| DISU3 | Dicranodontium subporodictyon Broth. | dicranodontium moss | Dicranaceae
|
| DIUN7 | Dicranodontium uncinatum (Harv. in Hook.) Jaeg. | dicranodontium moss | Dicranaceae
|
| DICRA5 | Dicranodontium Bruch & Schimp. in B.S.G. | dicranodontium moss | Dicranaceae
|
| DIBI4 | Dicranopteris bifida (Willd.) Maxon | Sticherus bifidus | Gleicheniaceae
|
| DIEME | Dicranopteris emarginata (T. Moore) W.J. Robins. var. emarginata | uluhe | Gleicheniaceae
|
| DIEMI | Dicranopteris emarginata (T. Moore) W.J. Robins. var. inaequalis O.& I. Deg. | uluhe | Gleicheniaceae
|
| DIEM | Dicranopteris emarginata (T. Moore) W.J. Robins. | uluhe | Gleicheniaceae
|
| DIFL2 | Dicranopteris flexuosa (Schrad.) Underwood | drooping forkedfern | Gleicheniaceae
|
| DILIL | Dicranopteris linearis (Burm.) Underwood var. linearis | Old World forkedfern | Gleicheniaceae
|
| DILIM | Dicranopteris linearis (Burm.) Underwood var. maxima (Christ ex Hochr.) O.& I. Deg. | Old World forkedfern | Gleicheniaceae
|
| DILI | Dicranopteris linearis (Burm.) Underwood | Old World forkedfern | Gleicheniaceae
|
| DIPE3 | Dicranopteris pectinata (Willd.) Underwood | comb forkedfern | Gleicheniaceae
|
| DIRU2 | Dicranopteris rubiginosa (Mett.) Maxon | tropical forkedfern | Gleicheniaceae
|
| DICRA2 | Dicranopteris Bernh. | forkedfern | Gleicheniaceae
|
| DICI5 | Dicranoweisia cirrata (Hedw.) Lindb. ex Milde | dicranoweisia moss | Dicranaceae
|
| DICRC | Dicranoweisia crispula (Hedw.) Lindb. ex Milde var. compacta (Schleich. ex Schwaegr.) Lindb. in Kindb. | Dicranoweisia crispula | Dicranaceae
|
| DICRC2 | Dicranoweisia crispula (Hedw.) Lindb. ex Milde var. contermina (Ren. & Card.) Grout | Dicranoweisia crispula | Dicranaceae
|
| DICRR | Dicranoweisia crispula (Hedw.) Lindb. ex Milde var. roellii (Kindb. in R�ll) Lawt. | Dicranoweisia crispula | Dicranaceae
|
| DICR71 | Dicranoweisia crispula (Hedw.) Lindb. ex Milde | dicranoweisia moss | Dicranaceae
|
| DIRO3 | Dicranoweisia roellii Kindb. in R�ll | Dicranoweisia crispula | Dicranaceae
|
| DISU5 | Dicranoweisia subcompacta Card. & Th�r. | Kiaeria starkei | Dicranaceae
|
| DICRA7 | Dicranoweisia Lindb. ex Milde | dicranoweisia moss | Dicranaceae
|
| DIAC70 | Dicranum acutifolium (Lindb. & Arnell) C. Jens. ex Weinm. | acuteleaf dicranum moss | Dicranaceae
|
| DIAF | Dicranum affine Funck | Dicranum undulatum | Dicranaceae
|
| DIAN70 | Dicranum angustum Lindb. | dicranum moss | Dicranaceae
|
| DIAR11 | Dicranum arcticum Schimp. | Kiaeria glacialis | Dicranaceae
|
| DIBE4 | Dicranum bergeri Bland. in Sturm | Dicranum undulatum | Dicranaceae
|
| DIBO70 | Dicranum bonjeanii De Not. in Lisa | Bonjean's dicranum moss | Dicranaceae
|
| DIBR8 | Dicranum brevifolium (Lindb.) Lindb. | shortleaf dicranum moss | Dicranaceae
|
| DICO17 | Dicranum condensatum Hedw. | condensed dicranum moss | Dicranaceae
|
| DIDR3 | Dicranum drummondii auct. Amer. | Dicranum ontariense | Dicranaceae
|
| DIEL70 | Dicranum elongatum Schleich. ex Schwaegr. | elongate dicranum moss | Dicranaceae
|
| DIFLM | Dicranum flagellare Hedw. var. minutissimum Grout | Dicranum flagellare | Dicranaceae
|
| DIFL6 | Dicranum flagellare Hedw. | dicranum moss | Dicranaceae
|
| DIFR70 | Dicranum fragilifolium Lindb. | fragile leaf dicranum moss | Dicranaceae
|
| DIFU3 | Dicranum fulvum Hook. | dicranum moss | Dicranaceae
|
| DIFUC | Dicranum fuscescens Turn. var. congestum (Brid.) Husn. | Dicranum fuscescens var. fuscescens | Dicranaceae
|
| DIFUF3 | Dicranum fuscescens Turn. var. falcifolium Braithw. | Dicranum fuscescens var. fuscescens | Dicranaceae
|
| DIFUF2 | Dicranum fuscescens Turn. var. flexicaule (Brid.) Wils. | dicranum moss | Dicranaceae
|
| DIFUF | Dicranum fuscescens Turn. var. fuscescens | dicranum moss | Dicranaceae
|
| DIFU5 | Dicranum fuscescens Turn. | dicranum moss | Dicranaceae
|