石耳屬（學名：Umbilicaria）是石耳科下的一個屬。 下屬物種 本屬包括以下物種： Umbilicaria africana Jatta Krog Swinscow 阿爾泰石耳 Umbilicaria altaiensis Umbilicaria americana Poelt Nash Umbilicaria angulata Tuck Umbilicaria antarctica Frey IMLamb 1939 皺面粗根石耳 Umbilicaria aprina Nyl Umbilicaria arctica Ach Nyl Umbilicaria asiaeorientalis 棕色石耳 Umbilicaria badia Umbilicaria calvescens Nyl 1861 卡羅裡石耳 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 JCWei Davydov Peršoh Rambold 網脊石耳 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 廬山石耳 Umbilicaria esculenta Miyoshi Minks 焦石耳 Umbilicaria flocculosa 臺灣石耳 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 紅腹石耳 Umbilicaria hypococcinea Umbilicaria iberica Sancho Krzew 印度石耳 Umbilicaria indica Umbilicaria isidiosa Krzew Umbilicaria josiae Frey Umbilicaria kappenii Sancho BSchroet Vallad 1998 小石耳 Umbilicaria kisovana 淡腹石耳 Umbilicaria krascheninnikovii Savicz Zahlbr Umbilicaria krempelhuberi MüllArg Umbilicaria laevis Schaerer Frey Umbilicaria lambii Imsh Umbilicaria leiocarpa DC Umbilicaria leprosa Zahlbr Frey 周裂石耳 Umbilicaria loboperipherica JCWei YMJiang SYGuo 1996 網脊平盤石耳 Umbilicaria lyngei Schol Umbilicaria maculata Krzew MPMartín MAGarcía Umbilicaria mammulata Ach Tuck Umbilicaria microphylla Laurer Massal 微石耳 Umbilicaria minuta Umbilicaria muehlenbergii Ach Tuck 放射盤石耳 Umbilicaria muhlenbergii Ach Tuck Umbilicaria multistrata McCune Umbilicaria murihikuana DJGalloway Sancho 小黑腹石耳 Umbilicaria nanella Umbilicaria neoproboscidea Wei Jian 尼泊爾石耳 Umbilicaria nepalensis Umbilicaria nodulospora McCune Di Meglio MJCurtis 皺面黑腹石耳 Umbilicaria nylanderiana Zahlbr HMagn Umbilicaria pallens Poelt Umbilicaria phaea Tuck Umbilicaria polaris Schol Zahlbr 複葉石耳 Umbilicaria polyphylla L Baumg Umbilicaria polyphylla Linnaeus 1753 Umbilicaria polyrhiza Linnaeus 1753 Umbilicaria polyrrhiza L Fr 多盤石耳 Umbilicaria proboscidea L Schrad Umbilicaria proboscidea Linnaeus 1753 Umbilicaria propagulifera Vain Llano 擬灰石耳 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 DJGalloway Sancho Umbilicaria ruebeliana Du Rietz Frey Frey Umbilicaria scholanderi Llano Krog Umbilicaria scrobiculata Umbilicaria semitensis Tuck 1872 Umbilicaria sinorientalis JCWei Davydov Peršoh Rambold Umbilicaria soralifera Frey Krog Swinscow 灰葉石耳 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 柵欄皮石耳 Umbilicaria subumbilicarioides 太白石耳 Umbilicaria taibaiensis 鱗石耳 Umbilicaria thamnodes 齒腐石耳 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 淡膚根石耳 Umbilicaria virginis Schaer Umbilicaria xizangensis JCWei YMJiang Davydov Peršoh Rambold 雲南石耳 Umbilicaria yunnana Nyl 歸入本屬的物種： 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 參考文獻 S S