# Riccardia

Riccardia is a plant genus in the liverwort family Aneuraceae.

## Species

As of November, 2024, about 260 species are recognised in the genus Riccardia:
* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z

### A

* 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 amnicola Hässel
* Riccardia angustata Horik.
* Riccardia anguste-alata (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 attenuata (Steph.) H.A. Mill.
* Riccardia australis (Lehm.) Hewson
* Riccardia autoica (Steph.) A.Evans

### B

* Riccardia baldwinii (Steph.) H.A. Mill.
* Riccardia barbiflora (Steph.) Piippo
* Riccardia baumannii Hürl.
* Riccardia bipinnatifida (Colenso) Hewson
* Riccardia bongeriana Hewson
* Riccardia breviala E.A.Br.
* Riccardia breviramosa (Steph.) A.Evans
* Riccardia browniae (A. Hagborg & L. Söderstr.
* Riccardia brunnea (Steph.) S.Hatt.

### C

* Riccardia calva (Schiffn.) A. Evans
* Riccardia campanuliflora S.W. Arnell
* Riccardia canaliculata (Nees) Schiffn.
* Riccardia cardotii (Steph.) S.C.Srivast. & Udar
* Riccardia cataractarum (Spruce) Schiffn.
* Riccardia chamedryfolia (With.) Grolle
* Riccardia changbaishanensis C.Gao
* Riccardia chinensis C.Gao
* Riccardia ciliolata (Spruce) Gradst.
* Riccardia cochleata (Hook. f. & Taylor) Kuntze
* Riccardia colensoi (Steph.) W.Martin
* Riccardia comata (Steph.) H.A.Mill.
* Riccardia comptonii (Pearson) H.A.Mill.
* Riccardia conimitra (Steph.) A. Evans
* Riccardia corbierei (Steph.) Reeb & Gradst.
* Riccardia corralensis (Steph.) A. Evans
* Riccardia costata (Steph.) Hürl.
* Riccardia crassa (Schwägr.) Carrington & Pearson
* Riccardia crassicrispa (Steph.) A. Evans
* Riccardia crassiretis Schiffn.
* Riccardia crenulata Schiffn.
* Riccardia crenuliformis R.M.Schust.

### D

* Riccardia deguchii Furuki & K.T. Yong
* Riccardia densiramea (Steph.) S.Hatt.
* Riccardia devexa Schiffn.
* Riccardia diderma Hässel
* Riccardia digitiloba (Spruce) Pagan
* Riccardia dilatata (Spruce) Schäf.-Verw. & Pócs
* Riccardia diminuta Schiffn.
* Riccardia diversiflora A.Evans
* Riccardia duriuscula Hässel

### E

* Riccardia elata (Steph.) Schiffn.
* Riccardia elegans (Steph.) Hürl.
* Riccardia elisabethae Thouvenot & Reeb
* Riccardia emarginata (Steph.) K.G. Hell
* Riccardia eriocaula (Hook.) Besch. & C. Massal.

### F

* Riccardia falsifloribunda Hässel
* Riccardia fastigiata (Lehm.) Trevis.
* Riccardia filicina (Colenso) E.A.Hodgs.
* Riccardia flaccia (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 formosensis (Steph.) Horik.
* Riccardia fruticosa (Steph.) Furuki
* Riccardia fucoides (Sw.) A.Massal.
* Riccardia fuegiensis C.Massal.
* Riccardia furtiva E.A.Br. & Braggins
* Riccardia fuscobrunnea (Steph.) A.Evans

### G

* Riccardia gaspardii Reeb & Gradst.
* 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 gradsteinii Pócs
* Riccardia graeffei (Steph.) Hewson
* Riccardia grandiflora (Steph.) H.A. Mill.
* Riccardia granulata (Steph.) A.Evans
* Riccardia grollei Furuki
* Riccardia grossitexta (Steph.) Furuki
* Riccardia gunniana (Steph.) H.A.Mill.

### H

* 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 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 (Spruce) Meenks
* Riccardia hymenophytoides (Spruce) Meenks
* Riccardia hypipamensis Hewson

### I

* Riccardia ibana Hewson
* Riccardia inconspicua (Steph.) Reeb & Bardat
* Riccardia incurvata Lindb.
* Riccardia innovans (Steph.) Pagan
* Riccardia insularis Schiffn.
* Riccardia intercellula E.A.Br.
* Riccardia intricata (Steph.) H.A.Mill.

### J

* Riccardia jackii Schiffn.
* Riccardia jugata R.M.Schust.

### K

* Riccardia karstenii (Steph.) Schiffn.
* Riccardia kodamae Mizut. & S.Hatt.

### L

* Riccardia lachungensis D. Singh & D.K. Singh
* Riccardia laticostata (Spruce) Schiffn.
* Riccardia latifrondoides Schiffn.
* Riccardia latifrons (Lindb.) Lindb.
* 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 lillieana (Steph.) H.A. Mill.
* 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.

### M

* Riccardia macdonaldiana Hewson
* Riccardia macrantha (Pearson) H.A.Mill.
* Riccardia magnicellularis Furuki
* Riccardia majlandii S.W. Arnell
* Riccardia marginata (Colenso) Pearson
* Riccardia marionensis R.M.Schust.
* Riccardia martinii Reeb & Gradst.
* Riccardia meagheri Frank Müll.
* 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

### N

* 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.

### O

* Riccardia obtusifrons (Steph.) H.A. Mill.
* Riccardia omkaliensis Hewson
* Riccardia opuntiiformis S.W.Arnell

### P

* Riccardia pallida (Spruce) Meenks & C.De Jong
* Riccardia pallidevirens (Steph.) A.Evans
* Riccardia palmata (Hedw.) Carruth.
* Riccardia palmatifida (Steph.) H.A.Mill.
* Riccardia papillata (Gottsche) Hässel
* Riccardia papulosa (Steph.) E.A.Br.
* Riccardia parvula Schiffn.
* Riccardia patens Hässel
* Riccardia pauciramea R.M.Schust.
* Riccardia paulensis Schiffn.
* Riccardia pectinata (Austin) H.A.Mill.
* Riccardia pellucida 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 pindaundensis Hewson
* Riccardia pindensis Hewson
* Riccardia plana (Steph.) Hürl.
* Riccardia planiflora (Steph.) S.Hatt.
* Riccardia plumosa (Mitt.) E.O.Campb.
* Riccardia poeppigiana (Lehm. & Lindenb.) Hässel
* 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 pseudodendroceros R.M. Schust. ex M.A.M. Renner
* Riccardia pumila Furuki
* Riccardia punahuina (Steph.) H.A. Mill.
* Riccardia pusilla Grolle

### R

* Riccardia ramosissima (Steph.) Grolle
* Riccardia regnellii (Ångstr.) K.G. Hell
* Riccardia regularis (Steph.) Kuhnem.
* 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.

### S

* Riccardia saccatiflora (Steph.) S.W.Arnell
* Riccardia santapaui Udar & K.P. Srivast.
* Riccardia saxicola Hässel
* Riccardia schwaneckei (Steph.) Pagan
* Riccardia sikkimensis (Steph.) S.C. Srivast. & Udar
* Riccardia singapurensis Schiffn.
* Riccardia spectabilis (Steph.) A.Evans
* Riccardia spegazziniana A.Massal.
* Riccardia spinulifera A.Massal.
* Riccardia spongiosa Furuki
* Riccardia squamifera Schiffn.
* Riccardia statensis Hässel
* Riccardia stipatiflora (Steph.) Pagan
* Riccardia stricta R.M.Schust.
* Riccardia subalpina Furuki
* Riccardia subantarctica R.M. Schust. ex Grolle & L. Söderstr.
* Riccardia subexalata Schiffn.
* Riccardia submersa Horik.
* Riccardia submultifida Horik.
* Riccardia subpalmata (Steph.) Hürl.
* Riccardia sumatrana Schiffn.

### T

* Riccardia tenax (Steph.) A.Evans
* Riccardia tenella Hewson
* Riccardia tenerrima (Steph.) A. Evans
* Riccardia tenuifrons (Steph.) Schiffn. ex O. Yano
* Riccardia tenuis (Steph.) Schiffn.
* Riccardia thaxteri A. Evans
* Riccardia theliophora Hässel
* Riccardia tjibodensis Schiffn.
* Riccardia tristaniana S.W. Arnell
* Riccardia trukensis H.A. Mill. & Bonner
* Riccardia tumbareriensis Hewson

### U

* Riccardia udarii D. Singh & D.K. Singh
* Riccardia umida E.A.Br.
* Riccardia upoluna (Steph.) Grolle

### V

* Riccardia valida (Steph.) J.J.Engel
* Riccardia venosa (Steph.) Hürl.
* Riccardia verticillata Gradst. & Reeb
* Riccardia villosa (Steph.) S.C.Srivast. & Udar
* Riccardia virens (Steph.) Hürl.
* Riccardia vitrea Furuki
* Riccardia vohimanensis Reeb & Gradst.

### W

* Riccardia wallisii (Steph.) Gradst.
* Riccardia wettsteinii Schiffn.
* Riccardia womersleyana Hewson

### X

* Riccardia xylophila Hässel