【石耳属】
石耳属（学名：Umbilicaria）是石耳科下的一个属。
==下属物种==
本属包括以下物种：
* Umbilicaria africana (Jatta) Krog & Swinscow
* 阿尔泰石耳 Umbilicaria altaiensis
* Umbilicaria americana Poelt & Nash
* Umbilicaria angulata Tuck.
* Umbilicaria antarctica Frey & I.M.Lamb, 1939
* 皱面粗根石耳 Umbilicaria aprina Nyl.
* Umbilicaria arctica (Ach.) Nyl.
* Umbilicaria asiae-orientalis
* 棕色石耳 Umbilicaria badia
* Umbilicaria calvescens Nyl., 1861
* 卡罗里石耳 Umbilicaria caroliniana
* 灰石耳 Umbilicaria cinerascens (Arnold) Frey
* Umbilicaria cinereorufescens (Schaer.) Frey
* Umbilicaria corsicae Frey
* Umbilicaria crustulosa (Ach.) Lamy
* 花石耳 Umbilicaria cylindrica (L.) Delise ex Duby
* Umbilicaria cylindrica Linnaeus, 1753
* Umbilicaria daliensis (J.C.Wei) Davydov, Peršoh & Rambold
* 网脊石耳 Umbilicaria decussata (Vill.) Zahlbr.
* Umbilicaria delisei
* Umbilicaria dendrophora (Poelt) Hestmark
* Umbilicaria deusta (L.) Baumg.
* Umbilicaria deusta Linnaeus, 1753
* Umbilicaria dichroa Nyl., 1855
* Umbilicaria dura McCune
* 庐山石耳 Umbilicaria esculenta (Miyoshi) Minks
* 焦石耳 Umbilicaria flocculosa
* 台湾石耳 Umbilicaria formosana Frey
* Umbilicaria freyi Codogno, Poelt & Puntillo
* Umbilicaria grisea Hoffm.
* Umbilicaria haplocarpa Nyl., 1859
* Umbilicaria havaasii Llano
* 薄石耳 Umbilicaria herrei
* 粗根石耳 Umbilicaria hirsuta (Sw. ex Westr.) Ach.
* Umbilicaria hispanica (Frey) Davydov, Peršoh & Rambold
* 北方石耳 Umbilicaria hyperborea (Ach.) Hoffm.
* 红腹石耳  Umbilicaria hypococcinea
* Umbilicaria iberica Sancho & Krzew.
* 印度石耳 Umbilicaria indica
* Umbilicaria isidiosa Krzew.
* Umbilicaria josiae Frey
* Umbilicaria kappenii Sancho, B.Schroet. & Vallad., 1998
* 小石耳 Umbilicaria kisovana
* 淡腹石耳 Umbilicaria krascheninnikovii (Savicz) Zahlbr.
* Umbilicaria krempelhuberi Müll.Arg.
* Umbilicaria laevis (Schaerer) Frey
* Umbilicaria lambii Imsh.
* Umbilicaria leiocarpa DC.
* Umbilicaria leprosa (Zahlbr.) Frey
* 周裂石耳 Umbilicaria loboperipherica J.C.Wei, Y.M.Jiang & S.Y.Guo, 1996
* 网脊平盘石耳 Umbilicaria lyngei Schol.
* Umbilicaria maculata Krzew., M.P.Martín & M.A.García
* Umbilicaria mammulata (Ach.) Tuck.
* Umbilicaria microphylla (Laurer) Massal.
* 微石耳 Umbilicaria minuta
* Umbilicaria muehlenbergii (Ach.) Tuck.
* 放射盘石耳 Umbilicaria muhlenbergii (Ach.) Tuck.
* Umbilicaria multistrata McCune
* Umbilicaria murihikuana D.J.Galloway & Sancho
* 小黑腹石耳 Umbilicaria nanella
* Umbilicaria neoproboscidea Wei & Jian
* 尼泊尔石耳 Umbilicaria nepalensis
* Umbilicaria nodulospora McCune, Di Meglio & M.J.Curtis
* 皱面黑腹石耳 Umbilicaria nylanderiana (Zahlbr.) H.Magn.
* Umbilicaria pallens Poelt
* Umbilicaria phaea Tuck.
* Umbilicaria polaris (Schol.) Zahlbr.
* 复叶石耳 Umbilicaria polyphylla (L.) Baumg.
* Umbilicaria polyphylla Linnaeus, 1753
* Umbilicaria polyrhiza Linnaeus, 1753
* Umbilicaria polyrrhiza (L.) Fr.
* 多盘石耳 Umbilicaria proboscidea (L.) Schrad.
* Umbilicaria proboscidea Linnaeus, 1753
* Umbilicaria propagulifera (Vain.) Llano
* 拟灰石耳 Umbilicaria pseudocinerascens
* Umbilicaria pulvinaria (Savicz) Frey
* 雪根石耳 Umbilicaria rhizinata (Frey & Poelt) Krzew.
* 硬石耳 Umbilicaria rigida (Du Rietz) Frey
* Umbilicaria robusta (Llano) D.J.Galloway & Sancho
* Umbilicaria ruebeliana (Du Rietz & Frey) Frey
* Umbilicaria scholanderi (Llano) Krog
* Umbilicaria scrobiculata
* Umbilicaria semitensis Tuck., 1872
* Umbilicaria sinorientalis (J.C.Wei) Davydov, Peršoh & Rambold
* Umbilicaria soralifera (Frey) Krog & Swinscow
* 灰叶石耳 Umbilicaria spodochroa (Hoffm.) DC.
* Umbilicaria spodochroa Ehrh. ex Hoffm.
* Umbilicaria spongiosa
* 皮芽石耳 Umbilicaria squamosa
* Umbilicaria subaprina Frey
* Umbilicaria subcalvescens Sipman
* 光面石耳 Umbilicaria subglabra (Nyl.) Harm.
* 栅栏皮石耳 Umbilicaria subumbilicarioides
* 太白石耳 Umbilicaria taibaiensis
* 鳞石耳 Umbilicaria thamnodes
* 齿腐石耳 Umbilicaria torrefacta (Lightf.) Schrad.
* 肉根石耳 Umbilicaria tylorrhiza
* Umbilicaria umbilicarioides (Stein) Krog & Swinscow
* Umbilicaria varia Leight.
* 毛根石耳 Umbilicaria vellea (L.) Ach.
* Umbilicaria vellea Linnaeus, 1753
* Umbilicaria viperina Llano
* 淡肤根石耳 Umbilicaria virginis Schaer.
* Umbilicaria xizangensis (J.C.Wei & Y.M.Jiang) Davydov, Peršoh & Rambold
* 云南石耳 Umbilicaria yunnana (Nyl.)
归入本属的物种：
* Gyrophora tylorrhiza Nyl.
* Umbillicaria angulata
* Umbillicaria aprina
* Umbillicaria arctica (Ach.) Nyl.
* Umbillicaria caroliniana
* Umbillicaria cylindrica (L.) Delise ex Duby
* Umbillicaria decussata
* Umbillicaria havaasii Llano
* Umbillicaria lambii
* Umbillicaria leiocarpa DC.
* Umbillicaria lyngei
* Umbillicaria muehlenbergii
* Umbillicaria phaea
* Umbillicaria scholanderi
* Umbillicaria terrefacta
* Umbillicaria vellea
* Umbillicaria virginis
== 参考文献 ==