| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| HYBR10 | Hypnum bridelianum Crum et al. | Hypnum recurvatum | Hypnaceae
|
| HYCA70 | Hypnum callichroum Funck ex Brid. | hypnum moss | Hypnaceae
|
| HYCI70 | Hypnum circinale Hook. | hypnum moss | Hypnaceae
|
| HYCR6 | Hypnum crista-castrensis Hedw. | Ptilium crista-castrensis | Hypnaceae
|
| HYCUB | Hypnum cupressiforme Hedw. var. brevisetum Schimp. | Hypnum cupressiforme var. cupressiforme | Hypnaceae
|
| HYCUC | Hypnum cupressiforme Hedw. var. cupressiforme | hypnum moss | Hypnaceae
|
| HYCUE | Hypnum cupressiforme Hedw. var. ericetorum Schimp. in B.S.G. | Hypnum jutlandicum | Hypnaceae
|
| HYCUF | Hypnum cupressiforme Hedw. var. filiforme Brid. | filiform hypnum moss | Hypnaceae
|
| HYCUI | Hypnum cupressiforme Hedw. var. imponens (Hedw.) Mach. | Hypnum imponens | Hypnaceae
|
| HYCUJ | Hypnum cupressiforme Hedw. var. julaceum Brid. | hypnum moss | Hypnaceae
|
| HYCUL | Hypnum cupressiforme Hedw. var. lacunosum Brid. | hypnum moss | Hypnaceae
|
| HYCUM | Hypnum cupressiforme Hedw. var. mammillatum Brid. | Hypnum mammillatum | Hypnaceae
|
| HYCUR | Hypnum cupressiforme Hedw. var. resupinatum (Tayl.) Schimp. in Spruce | hypnum moss | Hypnaceae
|
| HYCUS | Hypnum cupressiforme Hedw. var. subjulaceum Mol. | hypnum moss | Hypnaceae
|
| HYCU4 | Hypnum cupressiforme Hedw. | hypnum moss | Hypnaceae
|
| HYCU2 | Hypnum curvifolium Hedw. | curveleaf hypnum moss | Hypnaceae
|
| HYDE9 | Hypnum depressulum C. M�ll. | Hypnum pallescens var. protuberans | Hypnaceae
|
| HYDI3 | Hypnum dieckii Ren. & Card. in R�ll | Dieck's hypnum moss | Hypnaceae
|
| HYER2 | Hypnum ericetorum (Schimp. in B.S.G.) Loeske | Hypnum jutlandicum | Hypnaceae
|
| HYFA5 | Hypnum fastigiatum Brid. | Hypnum recurvatum | Hypnaceae
|
| HYFE3 | Hypnum fertile Sendtn. | hypnum moss | Hypnaceae
|
| HYGE3 | Hypnum geminum (Mitt.) Lesq. & James | hypnum moss | Hypnaceae
|
| HYHA2 | Hypnum haldanianum Grev. | Callicladium haldanianum | Hypnaceae
|
| HYHA70 | Hypnum hamulosum Schimp. in B.S.G. | hypnum moss | Hypnaceae
|
| HYIM3 | Hypnum imponens Hedw. | hypnum moss | Hypnaceae
|
| HYJU2 | Hypnum jutlandicum Holm. & Warncke | hypnum moss | Hypnaceae
|
| HYLIA | Hypnum lindbergii Mitt. var. americanum (Ren. & Card.) E. Whiteh. | Hypnum lindbergii | Hypnaceae
|
| HYLID | Hypnum lindbergii Mitt. var. demissum (Schimp.) Loeske | Hypnum lindbergii | Hypnaceae
|
| HYLIE | Hypnum lindbergii Mitt. var. elatum (Schimp.) Williams | Hypnum lindbergii | Hypnaceae
|
| HYLI70 | Hypnum lindbergii Mitt. | Lindberg's hypnum moss | Hypnaceae
|
| HYMA5 | Hypnum mammillatum (Brid.) Loeske | hypnum moss | Hypnaceae
|
| HYMO11 | Hypnum molluscoides Kindb. | Hypnum plicatulum | Hypnaceae
|
| HYMOM | Hypnum molluscum Hedw. var. molluscoides (Par.) Grout | Hypnum plicatulum | Hypnaceae
|
| HYMO12 | Hypnum molluscum Hedw. | Ctenidium molluscum | Hypnaceae
|
| HYPAP | Hypnum pallescens (Hedw.) P. Beauv. var. pallescens | hypnum moss | Hypnaceae
|
| HYPAP2 | Hypnum pallescens (Hedw.) P. Beauv. var. protuberans (Brid.) Aust. | hypnum moss | Hypnaceae
|
| HYPAR2 | Hypnum pallescens (Hedw.) P. Beauv. var. reptile (Michx.) Husn. | Hypnum pallescens var. pallescens | Hypnaceae
|
| HYPA11 | Hypnum pallescens (Hedw.) P. Beauv. | hypnum moss | Hypnaceae
|
| HYPAA | Hypnum patientiae Lindb. ex Milde var. americanum (Ren. & Card.) Ren. & Card. | Hypnum lindbergii | Hypnaceae
|
| HYPAD | Hypnum patientiae Lindb. ex Milde var. demissum (Schimp.) Jaeg. | Hypnum lindbergii | Hypnaceae
|
| HYPAE2 | Hypnum patientiae Lindb. ex Milde var. elatum (Schimp.) Jaeg. | Hypnum lindbergii | Hypnaceae
|
| HYPA10 | Hypnum patientiae Lindb. ex Milde | Hypnum lindbergii | Hypnaceae
|
| HYPL2 | Hypnum plicatile (Mitt.) Lesq. & James | Hypnum revolutum | Hypnaceae
|
| HYPL70 | Hypnum plicatulum (Lindb.) Jaeg. | hypnum moss | Hypnaceae
|
| HYPR70 | Hypnum pratense (Rabenh.) W. Koch ex Spruce | hypnum moss | Hypnaceae
|
| HYPR7 | Hypnum procerrimum Mol. | hypnum moss | Hypnaceae
|
| HYPR9 | Hypnum protuberans Brid. | Hypnum pallescens var. protuberans | Hypnaceae
|
| HYRAF | Hypnum ravaudii Boul. ssp. fastigiatum (Brid.) Wijk & Marg. | Hypnum recurvatum | Hypnaceae
|
| HYRE5 | Hypnum recurvatum (Lindb. & Arnell) Kindb. | recurved hypnum moss | Hypnaceae
|
| HYRE6 | Hypnum reptile Michx. | Hypnum pallescens var. pallescens | Hypnaceae
|
| HYRED | Hypnum revolutum (Mitt.) Lindb. var. dolomiticum (Milde) M�nk. | Hypnum revolutum | Hypnaceae
|
| HYRES | Hypnum revolutum (Mitt.) Lindb. var. subjulaceum Bryhn | Hypnum revolutum | Hypnaceae
|
| HYRE70 | Hypnum revolutum (Mitt.) Lindb. | revolute hypnum moss | Hypnaceae
|
| HYSUC | Hypnum subimponens Lesq. var. cristulum Kindb. in Mac. | Hypnum subimponens | Hypnaceae
|
| HYSU70 | Hypnum subimponens Lesq. | hypnum moss | Hypnaceae
|
| HYSU8 | Hypnum subplicatile Limpr. | Hypnum plicatulum | Hypnaceae
|
| HYVAC | Hypnum vaucheri Lesq. var. coelophyllum (Mol.) Mol. | Leptopterigynandrum austro-alpinum | Leskeaceae
|
| HYVA70 | Hypnum vaucheri Lesq. | Vaucher's hypnum moss | Hypnaceae
|
| HYPNU2 | Hypnum Hedw. | hypnum moss | Hypnaceae
|
| HYAN3 | Hypocenomyce anthracophila (Nyl.) P. James & Gotth. Schneider | Biatora anthracophila | Bacidiaceae
|
| HYCA20 | Hypocenomyce castaneocinerea (Rasanen) Timdal | cockleshell lichen | Lecideaceae
|
| HYFR3 | Hypocenomyce friesii (Ach.) P. James & Gotth. Schneider | Fries' cockleshell lichen | Lecideaceae
|
| HYLE3 | Hypocenomyce leucococca R. Sant. | cockleshell lichen | Lecideaceae
|
| HYPR4 | Hypocenomyce praestabilis (Nyl.) Timdal | cockleshell lichen | Lecideaceae
|
| HYSC6 | Hypocenomyce scalaris (Ach.) Choisy | cockleshell lichen | Lecideaceae
|
| HYSO | Hypocenomyce sorophora (Vainio) P. James & Poelt | cockleshell lichen | Lecideaceae
|
| HYXA | Hypocenomyce xanthococca (Sommerf.) P. James & Gotth. Schneider | cockleshell lichen | Lecideaceae
|
| HYPOC2 | Hypocenomyce Choisy | cockleshell lichen | Lecideaceae
|
| HYBRT | Hypochaeris brasiliensis (Less.) Griseb. var. tweedyi (Hook. & Arn.) Baker | Tweedy's catsear | Asteraceae
|
| HYBR5 | Hypochaeris brasiliensis (Less.) Griseb. | Brazilian catsear | Asteraceae
|
| HYEL5 | Hypochaeris elata auct. non (Weddell) Griseb. | Hypochaeris brasiliensis var. tweedyi | Asteraceae
|
| HYGL2 | Hypochaeris glabra L. | smooth catsear | Asteraceae
|
| HYMIA | Hypochaeris microcephala (Schultz-Bip.) Cabrera var. albiflora (Kuntze) Cabrera | smallhead catsear | Asteraceae
|
| HYMI5 | Hypochaeris microcephala (Schultz-Bip.) Cabrera | smallhead catsear | Asteraceae
|
| HYRA3 | Hypochaeris radicata L. | hairy catsear | Asteraceae
|
| HYTW | Hypochaeris tweedyi Hook. & Arn. | Hypochaeris brasiliensis var. tweedyi | Asteraceae
|
| HYPOC | Hypochaeris L. | catsear | Asteraceae
|
| HYPOC4 | Hypochoeris L. | catsear | Asteraceae
|
| HYBR2 | Hypoderris brownii J. Sm. | hairvein fern | Dryopteridaceae
|
| HYPOD | Hypoderris R. Br. ex Hook. | hypoderris | Dryopteridaceae
|
| HYPH2 | Hypoestes phyllostachya Baker | | Acanthaceae
|
| HYPOE | Hypoestes Soland. ex R. Br. | hypoestes | Acanthaceae
|
| HYVE6 | Hypogon verticillata (Baldw.) House, non Raf. | Collinsonia verticillata | Lamiaceae
|
| HYVE5 | Hypogon verticillata Raf. | Collinsonia serotina | Lamiaceae
|
| HYAP3 | Hypogymnia apinnata Goward & McCune | tube lichen | Parmeliaceae
|
| HYAU60 | Hypogymnia austerodes (Nyl.) Rasanen | tube lichen | Parmeliaceae
|
| HYBI60 | Hypogymnia bitteri (Lynge) Ahti | Bitter tube lichen | Parmeliaceae
|
| HYBI6 | Hypogymnia bitteriana (Zahlbr.) Rasanen | Hypogymnia farinacea | Parmeliaceae
|
| HYDU60 | Hypogymnia duplicata (Ach.) Rass. | duplicate tube lichen | Parmeliaceae
|
| HYEL6 | Hypogymnia elongata (Hillm.) Rass. | Hypogymnia duplicata | Parmeliaceae
|
| HYEN3 | Hypogymnia encausta (Sm.) Walter Watson | Brodoa oroarctica | Parmeliaceae
|
| HYEN60 | Hypogymnia enteromorpha (Ach.) Nyl. | tube lichen | Parmeliaceae
|
| HYFA3 | Hypogymnia farinacea Zopf | tube lichen | Parmeliaceae
|
| HYHE3 | Hypogymnia heterophylla L. Pike | tube lichen | Parmeliaceae
|
| HYIM60 | Hypogymnia imshaugii Krog | Imshaug's tube lichen | Parmeliaceae
|
| HYIN2 | Hypogymnia inactiva (Krog) Ohlsson | inactive tube lichen | Parmeliaceae
|
| HYIN3 | Hypogymnia intestiniformis (Vill.) Rasanen | Brodoa oroarctica | Parmeliaceae
|
| HYKR | Hypogymnia krogiae Ohlsson | Krog's tube lichen | Parmeliaceae
|
| HYLU4 | Hypogymnia lugubris (Pers.) Krog | tube lichen | Parmeliaceae
|
| HYME3 | Hypogymnia metaphysodes (Asah.) Rass. | tube lichen | Parmeliaceae
|
| HYMO5 | Hypogymnia mollis L. Pike & Hale | tube lichen | Parmeliaceae
|