title: Riccardia
text: # Riccardia
  
  Riccardia est un du genre d’hépatiques, de la famille des Aneuraceae.
  
  ## Espèces
  
  The plant List et Tropicos reconnaissent environ 200 espèces dans ce $genre^,.$
  
  * Riccardia lasiorhinus
  * Riccardia palmata
  
  ## Liste d'espèces
  
  Selon Catalogue of Life (5 août 2018) :
  
  * Riccardia aberrans (Steph.) Gradst.
  * Riccardia aequicellularis (Steph.) Hewson
  * Riccardia aequitexta (Steph.) E.A.Br.
  * Riccardia aeruginosa Furuki
  * Riccardia agumana Hewson
  * Riccardia alba (Colenso) E.A.Br.
  * Riccardia albomarginata (Steph.) Schiffn.
  * Riccardia alcicornis (Hook.f. & Taylor) Trevis.
  * Riccardia algoides (Taylor) Meenks
  * Riccardia amazonica (Spruce) Schiffn. ex Gradst. & Hekking
  * Riccardia amnicola Hässel
  * Riccardia andina (Spruce) Herzog
  * Riccardia angustata Horik.
  * Riccardia angustealata (Steph.) Hewson
  * Riccardia angustissima (Steph.) H.A.Mill.
  * Riccardia arcuata Furuki
  * Riccardia argentolimbata Hewson & Grolle
  * Riccardia aspera (Steph.) Grolle
  * Riccardia asperulata R.M.Schust.
  * Riccardia attenuata (Steph.) H.A.Mill.
  * Riccardia australis (Lehm.) Hewson
  * Riccardia autoica (Steph.) A.Evans
  * Riccardia baldwinii (Steph.) H.A.Mill.
  * Riccardia barbiflora (Steph.) Piippo
  * Riccardia baumannii Hürl.
  * Riccardia bipinnatifida (Colenso) Hewson
  * Riccardia bogotensis (Gottsche) Pagán
  * Riccardia boliviensis (Steph.) Meenks
  * Riccardia bongeriana Hewson
  * Riccardia breviala E.A.Br.
  * Riccardia breviramosa (Steph.) A.Evans
  * Riccardia brunnea (Steph.) S.Hatt.
  * Riccardia calcarea (Steph.) Meenks
  * Riccardia calva (Schiffn.) A.Evans
  * Riccardia canaliculata (Nees) Kuntze
  * Riccardia capillacea (Steph.) Meenks & C.De Jong
  * Riccardia cardotii (Steph.) Pandé & K.P.Srivast. ex S.C.Srivast. & Udar
  * Riccardia cataractarum (Spruce) Schiffn.
  * Riccardia cervicornis (Spruce) Herzog ex Gradst. & Hekking
  * Riccardia chamedryfolia (With.) Grolle
  * Riccardia changbaishanensis C.Gao
  * Riccardia chinensis C.Gao
  * Riccardia ciliolata (Spruce) Horik.
  * Riccardia cochleata (Hook.f. & Taylor) Kuntze
  * Riccardia colensoi (Steph.) W.Martin
  * Riccardia columbica (Steph.) Hässel ex Gradst. & Hekking
  * Riccardia comata (Steph.) H.A.Mill.
  * Riccardia compacta (Steph.) S.W.Arnell
  * Riccardia comptonii (Pearson) H.A.Mill.
  * Riccardia conimitra (Steph.) A.Evans
  * Riccardia corralensis (Steph.) A.Evans
  * Riccardia costata (Steph.) Hürl.
  * Riccardia crassa (Schwägr.) C.Massal.
  * Riccardia crassicaulis (Steph.) Meenks & C.De Jong
  * Riccardia crassicrispa (Steph.) A.Evans
  * Riccardia crassiretis Schiffn.
  * Riccardia crenulata Schiffn.
  * Riccardia crenuliformis R.M.Schust.
  * Riccardia decolyana Schiffn.
  * Riccardia deguchii Furuki & K.T.Yong
  * Riccardia densiramea (Steph.) S.Hatt.
  * Riccardia devexa Schiffn.
  * Riccardia diablotina (Spruce) Pagán
  * Riccardia diderma Hässel
  * Riccardia digitiloba (Spruce) Pagán
  * Riccardia dilatata (Spruce) Schäf.-Verw. & Pócs
  * Riccardia diminuta Schiffn.
  * Riccardia distans (Spruce) Pagán
  * Riccardia diversiflora A.Evans
  * Riccardia duriuscula Hässel
  * Riccardia elata (Steph.) Schiffn.
  * Riccardia elegans (Steph.) Hürl.
  * Riccardia elisabethae Thouvenot & Reeb
  * Riccardia emarginata (Steph.) K.G.Hell
  * Riccardia eriocaula (Hook.) C.Massal.
  * Riccardia erosa (Steph.) E.W.Jones
  * Riccardia falsifloribunda Hässel
  * Riccardia fastigiata (Lehm.) Trevis.
  * Riccardia fendleri (Steph.) Pagán
  * Riccardia filicina (Colenso) E.A.Hodgs.
  * Riccardia flaccida (Steph.) S.Hatt.
  * Riccardia flaccidissima Schiffn.
  * Riccardia flagellaris (A.Gepp) H.A.Mill.
  * Riccardia flagellifrons C.Gao
  * Riccardia flavovirens Furuki
  * Riccardia fleischeri (Steph.) H.A.Mill.
  * Riccardia floribunda (Steph.) A.Evans
  * Riccardia fluvigena Hässel
  * Riccardia foliacea Meenks & C.De Jong
  * Riccardia formosensis (Steph.) Horik.
  * Riccardia fruticosa (Steph.) Furuki
  * Riccardia fucoidea (Sw.) C.Massal.
  * Riccardia fuegiensis C.Massal.
  * Riccardia furtiva E.A.Br. & Braggins
  * Riccardia fuscobrunnea (Steph.) A.Evans
  * Riccardia geniana Hewson
  * Riccardia georgiensis (Steph.) Hässel
  * Riccardia glauca Furuki
  * Riccardia glaziovii (Spruce) Meenks
  * Riccardia gogolensis (Steph.) Hewson
  * Riccardia gracilis (Steph.) R.M.Schust.
  * Riccardia graeffei (Steph.) Hewson
  * Riccardia grandiflora (Steph.) H.A.Mill.
  * Riccardia granulata (Steph.) A.Evans
  * Riccardia grollei Furuki
  * Riccardia grossidens (Steph.) Pagán
  * Riccardia grossitexta (Steph.) Furuki
  * Riccardia gunniana (Steph.) H.A.Mill.
  * Riccardia hamatiflora (Steph.) H.A.Mill.
  * Riccardia hans-meyeri (Steph.) Meenks & C.De Jong
  * Riccardia hattorii Furuki
  * Riccardia hawaica (Steph.) H.A.Mill.
  * Riccardia hebridensis (Steph.) H.A.Mill.
  * Riccardia herzogiana (Steph.) Meenks & C.De Jong
  * Riccardia heteroclada Schiffn.
  * Riccardia hirtiflora (Steph.) Schiffn.
  * Riccardia humilis (Gottsche) O.Yano
  * Riccardia hyalina (Steph.) H.A.Mill.
  * Riccardia hyalitricha Hässel
  * Riccardia hydra Hürl.
  * Riccardia hymenophylloides Schiffn.
  * Riccardia hymenophytoides (Spruce) Meenks
  * Riccardia hypipamensis Hewson
  * Riccardia ibana Hewson
  * Riccardia inconspicua (Steph.) Reeb & Bardat
  * Riccardia incurvata Lindb.
  * Riccardia innovans (Steph.) Pagán
  * Riccardia insularis Schiffn.
  * Riccardia intercellula E.A.Br.
  * Riccardia intricata (Steph.) H.A.Mill.
  * Riccardia jackii Schiffn.
  * Riccardia judithae Meenks & C.De Jong
  * Riccardia jugata R.M.Schust.
  * Riccardia karstenii (Steph.) Schiffn.
  * Riccardia kodamae Mizut. & S.Hatt.
  * Riccardia koonwarriensis Drinnan & T.C.Chambers †
  * Riccardia lachungensis D.Singh & D.K.Singh
  * Riccardia laticostata (Spruce) Schiffn.
  * Riccardia latifrondoides Schiffn.
  * Riccardia latifrons (Lindb.) Lindb.
  * Riccardia lepidomitra (Spruce) Gradst.
  * Riccardia leptophylla (Spruce) Herzog
  * Riccardia leptostachya A.Evans
  * Riccardia leptothallus R.M.Schust.
  * Riccardia levieri Schiffn.
  * Riccardia lichenoides (Steph.) H.A.Mill.
  * Riccardia ligulata (Steph.) Pócs & Schäf.-Verw.
  * Riccardia lilliena (Steph.) H.A.Mill.
  * Riccardia limbata (Steph.) E.W.Jones
  * Riccardia lobulata (Colenso) E.A.Hodgs.
  * Riccardia loefgrenii Schiffn.
  * Riccardia longiflora (Steph.) Hewson
  * Riccardia longioleata Hässel
  * Riccardia longispica (Steph.) Pearson
  * Riccardia loriana (Steph.) H.A.Mill.
  * Riccardia macdonaldiana Hewson
  * Riccardia macrantha (Pearson) H.A.Mill.
  * Riccardia magnicellularis Furuki
  * Riccardia marginata (Colenso) Pearson
  * Riccardia marionensis R.M.Schust.
  * Riccardia mejlandii S.W.Arnell
  * Riccardia metzgeriiformis (Steph.) R.M.Schust.
  * Riccardia microscopica (Nees) Kuntze
  * Riccardia minuta (Steph.) W.Martin
  * Riccardia multicorpora E.A.Br.
  * Riccardia multifida (L.) Gray
  * Riccardia multifidoides Schiffn.
  * Riccardia multioleata Hässel
  * Riccardia multispica (Steph.) S.Hatt.
  * Riccardia mycophora A.Evans
  * Riccardia nadeaudii (Steph.) Hürl.
  * Riccardia nagasakiensis (Steph.) S.Hatt.
  * Riccardia nana (Hook.f. & Taylor) Trevis.
  * Riccardia negeri (Steph.) A.Evans
  * Riccardia newellana (Steph.) H.A.Mill.
  * Riccardia nigra (Steph.) H.A.Mill.
  * Riccardia nitida (Colenso) E.A.Hodgs.
  * Riccardia nobilis (Steph.) Schiffn.
  * Riccardia novo-amstelodamensis Schiffn.
  * Riccardia nudiflora (Steph.) Grolle
  * Riccardia obtusa S.W.Arnell
  * Riccardia obtusifrons (Steph.) H.A.Mill.
  * Riccardia omkaliensis Hewson
  * Riccardia opuntiiformis S.W.Arnell
  * Riccardia pallida (Spruce) Meenks & C.De Jong
  * Riccardia pallidevirens (Steph.) A.Evans
  * Riccardia palmata (Hedw.) Carruth.
  * Riccardia palmatifida (Steph.) H.A.Mill.
  * Riccardia palmatiformis Schiffn.
  * Riccardia papillata (Gottsche) Hässel ex Gradst. & Hekking
  * Riccardia papillosa (C.Massal. & Steph.) Hässel
  * Riccardia papulosa (Steph.) E.A.Br.
  * Riccardia paramorum Meenks
  * Riccardia parasitans (Steph.) Meenks & C.De Jong
  * Riccardia parvula Schiffn.
  * Riccardia patens Hässel
  * Riccardia pauciramea (Steph.) H.A.Mill.
  * Riccardia paulensis Schiffn.
  * Riccardia pectinata (Austin) H.A.Mill.
  * Riccardia pellucida (Steph.) Piippo
  * Riccardia pembaiensis (Steph.) Hürl.
  * Riccardia pengagensis Hewson
  * Riccardia pennata E.A.Br.
  * Riccardia perspicua E.A.Br.
  * Riccardia perssonii S.C.Srivast. & Udar
  * Riccardia philippinensis Furuki
  * Riccardia phleganiana Hewson
  * Riccardia pindensis Hewson
  * Riccardia plana (Steph.) Hürl.
  * Riccardia planiflora (Steph.) S.Hatt.
  * Riccardia planifrons (Spruce) Pagán
  * Riccardia plumiformis (Spruce) Hässel ex Meenks
  * Riccardia plumosa (Mitt.) E.O.Campb.
  * Riccardia poeppigiana (Lehm. & Lindenb.) Hässel ex Meenks & C.De Jong
  * Riccardia polyclada (Mitt.) Hässel
  * Riccardia porcina (Hewson) L.Söderstr.
  * Riccardia portoricensis (Steph.) Pagán
  * Riccardia prehensilis (Hook.f. & Taylor) C.Massal.
  * Riccardia pseudodendroceros R.M.Schust.
  * Riccardia pumila Furuki
  * Riccardia punahuina (Steph.) H.A.Mill.
  * Riccardia pusilla (Mizut. & S.Hatt.) Grolle
  * Riccardia ramosissima (Steph.) Grolle
  * Riccardia regina Meenks & C.De Jong
  * Riccardia regnellii (Ångstr.) K.G.Hell
  * Riccardia regularis (Steph.) Kühnem.
  * Riccardia reyesiana Meenks
  * Riccardia riccioides Pearson
  * Riccardia rigida Schiffn.
  * Riccardia rivularis Hässel
  * Riccardia robbinsii Hewson & Grolle
  * Riccardia robusta (Steph.) H.A.Mill.
  * Riccardia rockii (Steph.) H.A.Mill.
  * Riccardia rupicola (Steph.) Hewson
  * Riccardia russellii R.M.Schust.
  * Riccardia saccatiflora (Steph.) S.W.Arnell
  * Riccardia santapaui Udar & S.C.Srivast.
  * Riccardia saxicola Hässel
  * Riccardia schwaneckei (Steph.) Pagán
  * Riccardia sikkimensis (Steph.) S.C.Srivast. & Udar
  * Riccardia singapurensis Schiffn.
  * Riccardia smaragdina Meenks & C.De Jong
  * Riccardia spectabilis (Steph.) A.Evans
  * Riccardia spegazziniana C.Massal.
  * Riccardia spinulifera C.Massal.
  * Riccardia spongiosa Furuki
  * Riccardia sprucei (Steph.) Meenks & C.De Jong
  * Riccardia squamifera Schiffn.
  * Riccardia statensis Hässel
  * Riccardia stipatiflora (Steph.) Pagán
  * Riccardia stricta R.M.Schust.
  * Riccardia subalpina Furuki
  * Riccardia subantarctica (R.M.Schust.) Grolle & L.Söderstr.
  * Riccardia subexalata Schiffn.
  * Riccardia submersa (Hook.f. & Taylor) Trevis.
  * Riccardia submultifida Horik.
  * Riccardia subpalmata (Steph.) Hürl.
  * Riccardia subsimplex (Steph.) Pagán
  * Riccardia sumatrana Schiffn.
  * Riccardia tahitensis (Steph.) Hürl.
  * Riccardia tamariscina (Steph.) Schiffn.
  * Riccardia tenax (Steph.) A.Evans
  * Riccardia tenella Hewson
  * Riccardia tenerrima (Steph.) A.Evans
  * Riccardia tenuicula (Spruce) Meenks
  * Riccardia tenuis (Steph.) Schiffn.
  * Riccardia thaxteri A.Evans
  * Riccardia theliophora Hässel
  * Riccardia tjibodensis Schiffn.
  * Riccardia trichomanoides (Spruce) Hässel ex Meenks
  * Riccardia tristaniana S.W.Arnell
  * Riccardia trukensis H.A.Mill. & Bonner
  * Riccardia tumbareriensis Hewson
  * Riccardia udarii D.Singh & D.K.Singh
  * Riccardia umida E.A.Br.
  * Riccardia upoluna (Steph.) Grolle
  * Riccardia valida (Steph.) J.J.Engel
  * Riccardia venosa (Steph.) Hürl.
  * Riccardia villosa (Steph.) Pandé & K.P.Srivast. ex S.C.Srivast. & Udar
  * Riccardia virens (Steph.) Hürl.
  * Riccardia virgata (Gottsche) Pagán
  * Riccardia vitrea Furuki
  * Riccardia wallisii (Steph.) Gradst.
  * Riccardia wettsteinii Schiffn.
  * Riccardia womersleyana Hewson
  * Riccardia xylophila Hässel
  
  Selon The Plant List (5 août 2018) :
  
  * Riccardia aberrans (Stephani) Gradst.
  * Riccardia adglutinata A. Evans
  * Riccardia aequicellularis (Stephani) Hewson
  * Riccardia aequitexta (Stephani) E. A. Br.
  * Riccardia aeruginosa Furuki
  * Riccardia agumana Hewson
  * Riccardia alba (Colenso) E. A. Br.
  * Riccardia albomarginata (Stephani) Schiffner
  * Riccardia alcicornis (Hook. f. & Taylor) Trevis.
  * Riccardia algoides (Taylor) Meenks
  * Riccardia amazonica (Spruce) Schiffner ex Gradst. & Hekking
  * Riccardia andina (Spruce) Herzog
  * Riccardia angustata Horik.
  * Riccardia anguste-alata (Stephani) Hewson
  * Riccardia angustissima (Stephani) H.A. Mill.
  * Riccardia arcuata Furuki
  * Riccardia aspera (Stephani) Grolle
  * Riccardia australis (Lehm.) Hewson
  * Riccardia autoica (Stephani) A. Evans
  * Riccardia babindae Hewson
  * Riccardia barbiflora (Stephani) Piippo
  * Riccardia baumannii Hürl.
  * Riccardia bipinnatifida (Colenso) Hewson
  * Riccardia blasioides Horik.
  * Riccardia bliklika Hewson
  * Riccardia bogotensis (Gottsche) Pagan
  * Riccardia boliviensis (Steph.) Meenks
  * Riccardia bongeriana Hewson
  * Riccardia breviala E. A. Br.
  * Riccardia breviramosa (Stephani) A. Evans
  * Riccardia brunnea (Stephani) S. Hatt.
  * Riccardia calcarea (Stephani) Meenks
  * Riccardia canaliculata (Nees) Schiffner
  * Riccardia capillacea (Steph.) Meenks & C. De Jong
  * Riccardia cardotii (Stephani) S.C. Srivast. & Udar
  * Riccardia cataractarum (Spruce) Schiffner
  * Riccardia cervicornis (Spruce) Herzog ex Gradst. & Hekking
  * Riccardia chamedryfolia (With.) Grolle
  * Riccardia changbaishanensis C. Gao
  * Riccardia chinensis C. Gao
  * Riccardia ciliolata (Spruce) Gradst.
  * Riccardia colensoi (Stephani) W. Martin
  * Riccardia columbica (Stephani) Hässel de Menéndez
  * Riccardia comata (Stephani) H.A. Mill.
  * Riccardia compacta (Stephani) S.W. Arnell
  * Riccardia comptonii (Pearson) H.A. Mill.
  * Riccardia costata (Stephani) Hürl.
  * Riccardia crassa (Schwägr.) Carrington & Pearson
  * Riccardia crassicaulis (Steph.) Meenks & C. De Jong
  * Riccardia crassiretis Schiffner
  * Riccardia crenulata Schiffner
  * Riccardia crenuliformis R.M. Schust.
  * Riccardia demkarmana Hewson
  * Riccardia densiramea (Stephani) S. Hatt.
  * Riccardia dilatata (Spruce) A. Schäfer-Verwimp & Pócs
  * Riccardia diminuta Schiffner
  * Riccardia diversiflora A. Evans
  * Riccardia effusa (Stephani) E.A. Hodgs.
  * Riccardia elata (Stephani) Schiffner
  * Riccardia elegans (Stephani) Hürl.
  * Riccardia fastigiata (Lehm.) Trevis.
  * Riccardia filicina (Colenso) E.A. Hodgs.
  * Riccardia flaccia (Stephani) S. Hatt.
  * Riccardia flagellaris (A. Gepp) H.A. Mill.
  * Riccardia flagellifrons C. Gao
  * Riccardia flavovirens Furuki
  * Riccardia floribunda (Stephani) A. Evans
  * Riccardia foliacea Meenks & C. De Jong
  * Riccardia formosensis (Stephani) Horik.
  * Riccardia fruticosa (Stephani) Furuki
  * Riccardia fucoides (Sw.) A. Massal.
  * Riccardia fuegiensis C. Massal.
  * Riccardia furtiva E. A. Br. & Braggins
  * Riccardia fuscobrunnea (Stephani) A. Evans
  * Riccardia geniana Hewson
  * Riccardia georgiensis (Stephani) Hässel de Menéndez
  * Riccardia glauca Furuki
  * Riccardia glaziovii (Spruce) Meenks
  * Riccardia gogolensis (Stephani) Hewson
  * Riccardia graeffei (Stephani) Hewson
  * Riccardia granulata (Stephani) A. Evans
  * Riccardia grollei Furuki
  * Riccardia gunniana (Stephani) H.A. Mill.
  * Riccardia hans-meyeri (Stephani) Meenks & C. De Jong
  * Riccardia hattorii Furuki
  * Riccardia hebridensis (Stephani) H.A. Mill.
  * Riccardia herzogiana (Steph.) Meenks & C. De Jong
  * Riccardia humilis (Gottsche) O. Yano
  * Riccardia hyalina (Stephani) H.A. Mill.
  * Riccardia hydra Hürl.
  * Riccardia hymenophytoides (Spruce) Meenks
  * Riccardia hypipamensis Hewson
  * Riccardia ibana Hewson
  * Riccardia incurvata Lindb.
  * Riccardia intercellula E. A. Br.
  * Riccardia intricata (Stephani) H.A. Mill.
  * Riccardia jackii Schiffner
  * Riccardia judithae Meenks & C. De Jong
  * Riccardia jugata R.M. Schust.
  * Riccardia kodamae Mizut. & S. Hatt.
  * Riccardia kowaldiana (Stephani) Hewson
  * Riccardia koyensis (Stephani) S. Hatt.
  * Riccardia latifrons (Lindb.) Lindb.
  * Riccardia lepidomitra (Spruce) Gradst.
  * Riccardia leptophylla (Spruce) Herzog
  * Riccardia leptostachya A. Evans
  * Riccardia leptothallus R.M. Schust.
  * Riccardia leratii (Stephani) Hürl.
  * Riccardia lichenoides (Stephani) H.A. Mill.
  * Riccardia ligulata (Stephani) Pócs & A. Schäfer-Verwimp
  * Riccardia limbata (Stephani) E.W. Jones
  * Riccardia lobulata (Colenso) E.A. Hodgs.
  * Riccardia longiflora (Stephani) Hewson
  * Riccardia longispica (Stephani) Pearson
  * Riccardia macdonaldiana Hewson
  * Riccardia macrantha (Pearson) H.A. Mill.
  * Riccardia magnicellularis Furuki
  * Riccardia makinoana (Stephani) Yasuda
  * Riccardia marginata (Colenso) Pearson
  * Riccardia marionensis R.M. Schust.
  * Riccardia metzgeriiformis (Stephani) Schiffner
  * Riccardia micropinna (Stephani) H.A. Mill.
  * Riccardia multicorpora E. A. Br.
  * Riccardia multifida (L.) Gray
  * Riccardia multispica (Stephani) S. Hatt.
  * Riccardia muscoides (Colenso) E.A. Hodgs.
  * Riccardia mycophora A. Evans
  * Riccardia nadeaudiana (Stephani) Hürl.
  * Riccardia nadeaudii (Stephani) Hürl.
  * Riccardia nagasakiensis (Stephani) S. Hatt.
  * Riccardia nana (Hook. f. & Taylor) Trevis.
  * Riccardia nitida (Colenso) E.A. Hodgs.
  * Riccardia nudiflora (Stephani) Grolle
  * Riccardia nudimitra (Stephani) A. Evans
  * Riccardia omkaliensis Hewson
  * Riccardia onigajona (Stephani) S. Hatt.
  * Riccardia opuntiiformis S.W. Arnell
  * Riccardia pallida (Spruce) Meenks & C. De Jong
  * Riccardia pallidevirens (Stephani) A. Evans
  * Riccardia palmata (Hedw.) Carruth.
  * Riccardia palmatifida (Stephani) H.A. Mill.
  * Riccardia papillata (Gottsche) Hässel de Menéndez
  * Riccardia papulosa (Stephani) E. A. Br.
  * Riccardia paramorum Meenks
  * Riccardia parasitans (Steph.) Meenks & C. De Jong
  * Riccardia parvula Schiffner
  * Riccardia patens Hässel de Menéndez
  * Riccardia pauciramea R.M. Schust.
  * Riccardia pectinata (Austin) H.A. Mill.
  * Riccardia pellucida Piippo
  * Riccardia pembaiensis (Stephani) Hürl.
  * Riccardia pengagensis Hewson
  * Riccardia pennata E. A. Br.
  * Riccardia perspicua E. A. Br.
  * Riccardia perssonii S.C. Srivast. & Udar
  * Riccardia philippinensis Furuki
  * Riccardia phleganiana Hewson
  * Riccardia pindaundensis Hewson
  * Riccardia pindensis Hewson
  * Riccardia pinguis (L.) Gray
  * Riccardia pinnatifida (F. Weber) Carruth.
  * Riccardia plana (Stephani) Hürl.
  * Riccardia planiflora (Stephani) S. Hatt.
  * Riccardia platyclada Schiffner
  * Riccardia plumiformis (Spruce) Hässel de Menéndez ex Meenks
  * Riccardia plumosa (Mitt.) E.O. Campb.
  * Riccardia poeppigiana (Lehm. & Lindenb.) Hässel de Menéndez
  * Riccardia prehensilis (Hook. f. & Taylor) C. Massal.
  * Riccardia pseudodendroceros R.M. Schust.
  * Riccardia pumila Furuki
  * Riccardia pusilla Grolle
  * Riccardia ramosissima (Stephani) Grolle
  * Riccardia regina Meenks & C. De Jong
  * Riccardia reyesiana Meenks
  * Riccardia rivularis Hässel de Menéndez
  * Riccardia robusta (Stephani) H.A. Mill.
  * Riccardia rupicola (Stephani) Hewson
  * Riccardia russellii R.M. Schust.
  * Riccardia saccatiflora (Stephani) S.W. Arnell
  * Riccardia sinuata (Hook.) Trevis.
  * Riccardia smaragdina Meenks & C. De Jong
  * Riccardia spectabilis (Stephani) A. Evans
  * Riccardia spegazziniana A. Massal.
  * Riccardia spinulifera A. Massal.
  * Riccardia spongiosa Furuki
  * Riccardia sprucei (Stephani) Meenks & C. De Jong
  * Riccardia squarrosa (Stephani) Gradst.
  * Riccardia stipatiflora (Stephani) Pagan
  * Riccardia stolonifera (Stephani) E.A. Hodgs.
  * Riccardia stricta R.M. Schust.
  * Riccardia subalpina Furuki
  * Riccardia submersa Horik.
  * Riccardia submultifida Horik.
  * Riccardia subpalmata (Stephani) Hürl.
  * Riccardia subsimplex (Stephani) R.M. Schust.
  * Riccardia tahitensis (Stephani) Hürl.
  * Riccardia tamariscina (Stephani) Schiffner
  * Riccardia tenax (Stephani) A. Evans
  * Riccardia tenella Hewson
  * Riccardia tenuicula (Spruce) V.F. Schiffner ex Meenks
  * Riccardia tosana (Stephani) S. Hatt.
  * Riccardia trichomanoides (Spruce) Hässel de Menéndez ex Meenks
  * Riccardia tumbareriensis Hewson
  * Riccardia tutuilana (Pearson) H.A. Mill.
  * Riccardia umbana Hewson
  * Riccardia umbrosa (Stephani) Hässel de Menéndez
  * Riccardia umida E. A. Br.
  * Riccardia valida (Stephani) J.J. Engel
  * Riccardia variabilis A. Evans
  * Riccardia venosa (Stephani) Hürl.
  * Riccardia villosa (Stephani) S.C. Srivast. & Udar
  * Riccardia virens (Stephani) Hürl.
  * Riccardia vitrea Furuki
  * Riccardia wallisii (Stephani) Gradst.
  * Riccardia wattsiana (Stephani) Hewson
  * Riccardia womersleyana Hewson
  
  Selon Tropicos (5 août 2018) (Attention liste brute contenant possiblement des synonymes) :
  
  * Riccardia aberrans (Steph.) Gradst.
  * Riccardia adglutinata A. Evans
  * Riccardia aequicellularis (Steph.) Hewson
  * Riccardia aequitexta (Steph.) E.A. Br.
  * Riccardia aeruginosa Furuki
  * Riccardia agumana Hewson
  * Riccardia alata (Steph.) K.G. Hell
  * Riccardia alba (Colenso) E.A. Br.
  * Riccardia albomarginata (Steph.) Schiffn.
  * Riccardia alcicornis (Hook. f. & Taylor) Trevis.
  * Riccardia algoides (Taylor) Meenks
  * Riccardia alterniloba (Hook. f. & Taylor) Trevis.
  * Riccardia amazonica (Spruce) Schiffn. ex Gradst. & Hekking
  * Riccardia amnicola Hässel
  * Riccardia andina (Spruce) Herzog
  * Riccardia androgyna Schiffn.
  * Riccardia angustata Horik.
  * Riccardia angustealata (Steph.) Hewson
  * Riccardia angusticosta (Steph.) Grolle
  * Riccardia angustissima (Steph.) H.A. Mill.
  * Riccardia arcuata Furuki
  * Riccardia argentolimbata Hewson & Grolle
  * Riccardia aspera (Steph.) Grolle
  * Riccardia asperulata R.M. Schust.
  * Riccardia atollica H.A. Mill., H. Whittier & Bonner
  * Riccardia attenuata H.A. Mill.
  * Riccardia australis (Lehm.) Hewson
  * Riccardia autoica (Steph.) A. Evans
  * Riccardia babindae Hewson
  * Riccardia baldwinii (Steph.) H.A. Mill.
  * Riccardia barbiflora (Steph.) Piippo
  * Riccardia baumannii Hürl.
  * Riccardia bipinnata (Sw.) Trevir.
  * Riccardia bipinnatifida (Colenso) Hewson
  * Riccardia bistrata Pearson
  * Riccardia blasioides Horik.
  * Riccardia bliklika Hewson
  * Riccardia bogotensis (Gottsche) Pagan
  * Riccardia boliviensis (Steph.) Meenks
  * Riccardia bongeriana Hewson
  * Riccardia breviala E.A. Br.
  * Riccardia breviramosa (Steph.) A. Evans
  * Riccardia brunnea (Steph.) S. Hatt.
  * Riccardia caespitans E.W. Jones
  * Riccardia calcarea (Steph.) Meenks
  * Riccardia calva (Schiffn.) A. Evans
  * Riccardia campanuliflora S.W. Arnell
  * Riccardia canaliculata (Nees) Schiffn.
  * Riccardia capensis S.W. Arnell
  * Riccardia capillacea (Steph.) Meenks & C. De Jong
  * Riccardia cardotii (Steph.) S.C. Srivast. & Udar
  * Riccardia cataractarum (Spruce) Schiffn.
  * Riccardia cervicornis (Spruce) Herzog ex Gradst. & Hekking
  * Riccardia chamedryfolia (With.) Grolle
  * Riccardia changbaishanensis C. Gao
  * Riccardia chilensis (Steph.) A. Evans
  * Riccardia chinensis C. Gao
  * Riccardia christophersenii S.W. Arnell
  * Riccardia ciliolata (Spruce) Horik.
  * Riccardia cochleata (Hook. f. & Taylor) Kuntze
  * Riccardia colensoi (Steph.) W. Martin
  * Riccardia columbica (Steph.) Hässel
  * Riccardia comata (Steph.) H.A. Mill.
  * Riccardia compacta (Steph.) S.W. Arnell
  * Riccardia comptonii (Pearson) H.A. Mill.
  * Riccardia congoana (Steph.) Demaret
  * Riccardia conimitra (Steph.) A. Evans
  * Riccardia coronopus (De Not. ex Steph.) Schiffn.
  * Riccardia corralensis (Steph.) A. Evans
  * Riccardia costata (Steph.) Hürl.
  * Riccardia crassa (Schwägr.) C. Massal.
  * Riccardia crassicaulis (Steph.) Meenks & C. De Jong
  * Riccardia crassicrispa (Steph.) A. Evans
  * Riccardia crassiretis Schiffn.
  * Riccardia crenulata Schiffn.
  * Riccardia crenuliformis R.M. Schust.
  * Riccardia crispa (Schiffn.) A. Evans
  * Riccardia decipiens Schiffn.
  * Riccardia decrescens (Steph.) S. Hatt.
  * Riccardia deguchii Furuki & K.T. Yong
  * Riccardia demkarmana Hewson
  * Riccardia densiramea (Steph.) S. Hatt.
  * Riccardia devexa Schiffn.
  * Riccardia diablotina (Spruce) Pagan
  * Riccardia diderma Hässel
  * Riccardia digitiloba (Spruce) Pagan
  * Riccardia dilatata (Spruce) Schäf.-Verw. & Pócs
  * Riccardia diminuta Schiffn.
  * Riccardia distans (Spruce) Pagan
  * Riccardia diversiflora A. Evans
  * Riccardia duriuscula Hässel
  * Riccardia effusa (Steph.) E.A. Hodgs.
  * Riccardia elata (Steph.) Schiffn.
  * Riccardia elegans (Steph.) Hürl.
  * Riccardia elisabethae Thouvenot & Reeb
  * Riccardia elongata Schiffn.
  * Riccardia emarginata (Steph.) K.G. Hell
  * Riccardia engelii Hässel
  * Riccardia eriocaula (Hook.) Besch. & C. Massal.
  * Riccardia erosa (Steph.) E.W. Jones
  * Riccardia exigua S.W. Arnell
  * Riccardia falsifloribunda Hässel
  * Riccardia fastigiata (Lehm.) Trevis.
  * Riccardia fendleri (Steph.) Pagan
  * Riccardia filicina (Colenso) E.A. Hodgs.
  * Riccardia flaccida (Steph.) S. Hatt.
  * Riccardia flaccidissima Schiffn.
  * Riccardia flagellaris (A. Gepp) H.A. Mill.
  * Riccardia flagellifrons C. Gao
  * Riccardia flavovirens Furuki
  * Riccardia fleischeri (Steph.) H.A. Mill.
  * Riccardia floribunda (Steph.) A. Evans
  * Riccardia fluvigena Hässel
  * Riccardia foliacea Meenks & C. De Jong
  * Riccardia formosensis (Steph.) Horik.
  * Riccardia fruticosa (Steph.) Furuki
  * Riccardia fucoidea (Sw.) C. Massal.
  * Riccardia fuegiensis C. Massal.
  * Riccardia furtiva E.A. Br. & Braggins
  * Riccardia fuscescens (Steph.) A.L. Andrews
  * Riccardia fuscobrunnea (Steph.) A. Evans
  * Riccardia fuscovirens Lindb.
  * Riccardia gemmipara Schiffn.
  * Riccardia geniana Hewson
  * Riccardia georgiensis (Steph.) Hässel
  * Riccardia glauca Furuki
  * Riccardia goebelii (Schiffn.) Schiffn.
  * Riccardia gogolensis (Steph.) Hewson
  * Riccardia gracilis (Steph.) R.M. Schust.
  * Riccardia graeffei (Steph.) Hewson
  * Riccardia grandiflora (Steph.) H.A. Mill.
  * Riccardia granulata (Steph.) A. Evans
  * Riccardia grollei Furuki
  * Riccardia grossidens (Steph.) Pagan
  * Riccardia grossitexta (Steph.) Furuki
  * Riccardia gunniana (Steph.) H.A. Mill.
  * Riccardia hamatiflora (Steph.) H.A. Mill.
  * Riccardia hans-meyeri (Steph.) Meenks & C. De Jong
  * Riccardia hatcheri Hässel
  * Riccardia hattorii Furuki
  * Riccardia hawaica (Steph.) H.A. Mill.
  * Riccardia hebridensis (Steph.) H.A. Mill.
  * Riccardia herzogiana (Steph.) Meenks & C. De Jong
  * Riccardia heteroclada Schiffn.
  * Riccardia hirtiflora (Steph.) Schiffn.
  * Riccardia holstii (Steph.) E.W. Jones
  * Riccardia humilis (Gottsche) O. Yano
  * Riccardia hyalina (Steph.) H.A. Mill.
  * Riccardia hyalitricha Hässel
  * Riccardia hydra Hürl.
  * Riccardia hymenophylloides Schiffn.
  * Riccardia hymenophytoides (Spruce) Meenks
  * Riccardia hypipamensis Hewson
  * Riccardia ibana Hewson
  * Riccardia inconspicua (Steph.) Reeb & Bardat
  * Riccardia incurvata Lindb.
  * Riccardia innovans (Steph.) Pagan
  * Riccardia innovata S.W. Arnell
  * Riccardia insignis Schiffn.
  * Riccardia insularis Schiffn.
  * Riccardia intercellula E.A. Br.
  * Riccardia intricata (Steph.) Grolle
  * Riccardia jackii Schiffn.
  * Riccardia japonica S. Hatt. ex Mizut. & S. Hatt.
  * Riccardia judithae Meenks & C. De Jong
  * Riccardia jugata R.M. Schust.
  * Riccardia kanemarui S. Hatt.
  * Riccardia karstenii (Steph.) Schiffn.
  * Riccardia kilimandjarica S.W. Arnell
  * Riccardia kodamae Mizut. & S. Hatt.
  * Riccardia koonwarriensis Drinnan & T.C. Chambers
  * Riccardia kowaldiana (Steph.) Hewson
  * Riccardia koyaensis (Steph.) S. Hatt.
  * Riccardia lachungensis D. Singh & D.K. Singh
  * Riccardia laminaris Gola
  * Riccardia laticostata (Spruce) Schiffn.
  * Riccardia latifrondoides Schiffn.
  * Riccardia latifrons (Lindb.) Lindb.
  * Riccardia latissima (Spruce) Schiffn.
  * Riccardia laurentiana (Steph.) Demaret
  * Riccardia lepidomitra (Spruce) Gradst.
  * Riccardia leptophylla (Spruce) Herzog
  * Riccardia leptostachya A. Evans
  * Riccardia leptothallus R.M. Schust.
  * Riccardia leratii (Steph.) Hürl.
  * Riccardia levieri Schiffn.
  * Riccardia lichenoides (Steph.) H.A. Mill.
  * Riccardia ligulata (Steph.) Pócs & Schäf.-Verw.
  * Riccardia lilliena (Steph.) H.A. Mill.
  * Riccardia limbata (Steph.) E.W. Jones
  * Riccardia lobata Schiffn.
  * Riccardia lobulata (Colenso) E.A. Hodgs.
  * Riccardia loefgrenii Schiffn.
  * Riccardia longiflora (Steph.) Hewson
  * Riccardia longioleata Hässel
  * Riccardia longispica (Steph.) Pearson
  * Riccardia loriana (Steph.) H.A. Mill.
  * Riccardia macdonaldiana Hewson
  * Riccardia macrantha (Pearson) H.A. Mill.
  * Riccardia magnicellularis Furuki
  * Riccardia majlandii S.W. Arnell
  * Riccardia major (Nees) Lindb.
  * Riccardia makinoana (Steph.) Yasuda
  * Riccardia marginata (Colenso) Pearson
  * Riccardia marionensis R.M. Schust.
  * Riccardia maxima Schiffn.
  * Riccardia mejlandii S.W. Arnell
  * Riccardia metzgeriiformis (Steph.) Schiffn.
  * Riccardia micronesica H.A. Mill. & Bonner
  * Riccardia micropinna (Steph.) H.A. Mill.
  * Riccardia microscopica (Nees) Kuntze
  * Riccardia minima Carrington & Pearson
  * Riccardia minuta (Steph.) W. Martin
  * Riccardia miyakeana Schiffn.
  * Riccardia multicorpora E.A. Br.
  * Riccardia multifida (L.) Gray
  * Riccardia multifidoides Schiffn.
  * Riccardia multioleata Hässel
  * Riccardia multispica (Steph.) S. Hatt.
  * Riccardia muscoides (Colenso) E.A. Hodgs.
  * Riccardia mycophora A. Evans
  * Riccardia nadeaudiana (Steph.) Hürl.
  * Riccardia nadeaudii (Steph.) Hürl.
  * Riccardia nagasakiensis (Steph.) S. Hatt.
  * Riccardia nana (Hook. f. & Taylor) Trevis.
  * Riccardia negeri (Steph.) A. Evans
  * Riccardia newellana (Steph.) H.A. Mill.
  * Riccardia nicronesica H.A. Mill. & Bonner
  * Riccardia nigra (Steph.) H.A. Mill.
  * Riccardia nitida (Colenso) E.A. Hodgs.
  * Riccardia nobilis (Steph.) Schiffn.
  * Riccardia novae-zelandiae Hamlin
  * Riccardia novoamstelodamensis Schiffn.
  * Riccardia nudiflora (Steph.) Grolle
  * Riccardia nudimitra (Steph.) A. Evans
  * Riccardia obtusa S.W. Arnell
  * Riccardia obtusifrons (Steph.) H.A. Mill.
  * Riccardia omkaliensis Hewson
  * Riccardia onigajona (Steph.) S. Hatt.
  * Riccardia opuntiiformis S.W. Arnell
  * Riccardia pallida (Spruce) Meenks & C. De Jong
  * Riccardia pallidevirens (Steph.) A. Evans
  * Riccardia palmata (Hedw.) Carruth.
  * Riccardia palmatifida (Steph.) H.A. Mill.
  * Riccardia papillosa (C. Massal. & Steph.) Hässel
  * Riccardia papulosa (Steph.) E.A. Br.
  * Riccardia paramorum Meenks
  * Riccardia parasitans (Steph.) Meenks & C. De Jong
  * Riccardia parvula Schiffn.
  * Riccardia patens Hässel
  * Riccardia pauciramea (Steph.) H.A. Mill.
  * Riccardia paulensis Schiffn.
  * Riccardia pectinata (Austin) H.A. Mill.
  * Riccardia pellioides Horik.
  * Riccardia pellucida Piippo
  * Riccardia pembaiensis (Steph.) Hürl.
  * Riccardia pengagensis Hewson
  * Riccardia pennata E.A. Br.
  * Riccardia perpusilla (Colenso) E.A. Hodgs.
  * Riccardia perspicua E.A. Br.
  * Riccardia perssonii S.C. Srivast. & Udar
  * Riccardia philippinensis Furuki
  * Riccardia phleganiana Hewson
  * Riccardia pindaundensis Hewson
  * Riccardia pindensis Hewson
  * Riccardia pinguis (L.) Gray
  * Riccardia pinnatifida (F. Weber) Carruth.
  * Riccardia plana (Steph.) Hürl.
  * Riccardia planiflora (Steph.) S. Hatt.
  * Riccardia planifrons (Spruce) Pagan
  * Riccardia platyclada Schiffn.
  * Riccardia plumiformis (Spruce) Hässel ex Meenks
  * Riccardia plumosa (Mitt.) E.O. Campb.
  * Riccardia polyclada (Mitt.) Hässel
  * Riccardia porcina (Hewson) L. Söderstr.
  * Riccardia portoricensis (Steph.) Pagan
  * Riccardia prehensilis (Hook. f. & Taylor) C. Massal.
  * Riccardia pseudodendroceros R.M. Schust.
  * Riccardia pseudopinguis Herzog
  * Riccardia pumila Furuki
  * Riccardia punahuina (Steph.) H.A. Mill.
  * Riccardia pusilla Grolle
  * Riccardia ramosissima (Steph.) E.W. Jones
  * Riccardia reducta R.M. Schust.
  * Riccardia regina Meenks & C. De Jong
  * Riccardia regnellii K.G. Hell
  * Riccardia regularis (Steph.) Kuhnem.
  * Riccardia reineckeana (Steph.) Grolle
  * Riccardia reticulata S.W. Arnell
  * Riccardia reyesiana Meenks
  * Riccardia rhodesiae S.W. Arnell
  * Riccardia riccioides Pearson
  * Riccardia ridleyi Schiffn.
  * Riccardia rigida Schiffn.
  * Riccardia rivularis Hässel
  * Riccardia robbinsii Hewson & Grolle
  * Riccardia robusta (Steph.) H.A. Mill.
  * Riccardia rockii (Steph.) H.A. Mill.
  * Riccardia roivainenii S.W. Arnell
  * Riccardia rupicola (Steph.) Hewson
  * Riccardia russellii R.M. Schust.
  * Riccardia saccatiflora (Steph.) S.W. Arnell
  * Riccardia samoana (Steph.) H.A. Mill.
  * Riccardia santapaui Udar & K.P. Srivast.
  * Riccardia savatieri (Steph.) A. Evans
  * Riccardia saxicola Hässel
  * Riccardia scabra Schiffn.
  * Riccardia schwaneckei (Steph.) Pagan
  * Riccardia serrulata Schiffn.
  * Riccardia sessilis (Spreng.) Trevis.
  * Riccardia singalangana Schiffn.
  * Riccardia singapurensis Schiffn.
  * Riccardia sinuata (Hook.) Trevis.
  * Riccardia smaragdina Meenks & C. De Jong
  * Riccardia sorolensis H.A. Mill. & Bonner
  * Riccardia spectabilis (Steph.) A. Evans
  * Riccardia spegazziniana C. Massal.
  * Riccardia spinulifera C. Massal.
  * Riccardia spongiosa Furuki
  * Riccardia sprucei (Steph.) Meenks & C. De Jong
  * Riccardia squamifera Schiffn.
  * Riccardia squarrosa (Steph.) Gradst.
  * Riccardia statensis Hässel
  * Riccardia stephanii S. Hatt.
  * Riccardia stipatiflora (Steph.) Pagan
  * Riccardia stolonifera (Steph.) E.A. Hodgs.
  * Riccardia stricta R.M. Schust.
  * Riccardia subalpina Furuki
  * Riccardia subantarctica R.M. Schust. ex Grolle & L. Söderstr.
  * Riccardia subexalata Schiffn.
  * Riccardia submarginata S.W. Arnell
  * Riccardia submersa (Hook. f. & Taylor) Trevis.
  * Riccardia submultifida Horik.
  * Riccardia subpalmata (Steph.) Hürl.
  * Riccardia subsimplex (Steph.) Pagan
  * Riccardia sumatrana Schiffn.
  * Riccardia tahitensis (Steph.) Hürl.
  * Riccardia tamariscina (Steph.) Schiffn.
  * Riccardia tenax (Steph.) A. Evans
  * Riccardia tenella Hewson
  * Riccardia tenerrima (Steph.) A. Evans
  * Riccardia tenuicostata Schiffn.
  * Riccardia tenuicula (Spruce) Schiffn. ex Meenks
  * Riccardia tenuis (Steph.) Schiffn.
  * Riccardia thaxteri A. Evans
  * Riccardia theliophora Hässel
  * Riccardia tjibodensis Schiffn.
  * Riccardia tosana (Steph.) S. Hatt.
  * Riccardia trichomanoides (Spruce) Hässel ex Meenks
  * Riccardia trichomatosa S.W. Arnell
  * Riccardia tristaniana S.W. Arnell
  * Riccardia trukensis H.A. Mill. & Bonner
  * Riccardia tumbareriensis Hewson
  * Riccardia tutuilana (Pearson) H.A. Mill.
  * Riccardia udarii D. Singh & D.K. Singh
  * Riccardia uematsuana S. Hatt.
  * Riccardia umbana Hewson
  * Riccardia umbrosa (Steph.) Hässel
  * Riccardia umida E.A. Br.
  * Riccardia upoluna (Steph.) Grolle
  * Riccardia valida (Steph.) J.J. Engel
  * Riccardia variabilis A. Evans
  * Riccardia venosa (Steph.) Hürl.
  * Riccardia villosa (Steph.) S.C. Srivast. & Udar
  * Riccardia virens (Steph.) Hürl.
  * Riccardia virgata (Gottsche) Pagan
  * Riccardia viridissima Schiffn.
  * Riccardia vitiensis (Steph.) E.O. Campb.
  * Riccardia vitrea Furuki
  * Riccardia wallisii (Steph.) Gradst.
  * Riccardia wattsiana (Steph.) Hewson
  * Riccardia wettsteinii Schiffn.
  * Riccardia womersleyana Hewson
  * Riccardia xylophila Hässel
  * Riccardia zollingeri (Steph.) Schiffn.
  