{{Short description|Genus of mosses}} {{Automatic taxobox | image = Thuidium delicatulum (g, 145303-481430) 2846.JPG | image_caption = ''Thuidium delicatulum'' | taxon = Thuidium | authority = Bruch & Schimp. }}
'''''Thuidium''''' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees.<ref name=efloras>{{cite web|url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=132901 |title=Thuidium in Flora of North America @ |publisher=Efloras.org |date= |accessdate=2022-05-01}}</ref>
==Description== Members of the genus are characterized by creeping, highly branched, pinnate leaves.<ref name=efloras/>
There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia.<ref name=efloras/>
==Species== {{As of|2024|October}}, World Flora Online accepts 55 species, along with 147 synonyms and 5 unplaced:<ref>{{cite web |title=Thuidium — World Flora Online |url=https://wfoplantlist.org/taxon/wfo-4000038297-2024-06 |website=World Flora Online |access-date=20 October 2024}}</ref> {{div col}} *''Thuidium aculeoserratum'' {{small|Renauld & Cardot}} *''Thuidium allenii'' {{small|Austin}} *''Thuidium alvarezianum'' {{small|Cardot}} *''Thuidium arzobispoae'' {{small|(Müll. Hal.) A. Jaeger}} *''Thuidium assimile'' {{small|(Mitt.) A. Jaeger}} *''Thuidium bifidum'' {{small|A.E.R. Soares & P.E.A.S. Câmara}} *''Thuidium brachypyxis'' {{small|Müll. Hal.}} *''Thuidium brasiliense'' {{small|Mitt.}} *''Thuidium breviacuminatum'' {{small|Herzog}} *''Thuidium carantae'' {{small|(Müll. Hal.) A. Jaeger}} *''Thuidium cardotii'' {{small|Paris}} *''Thuidium chacoanum'' {{small|Müll. Hal.}} *''Thuidium cylindraceum'' {{small|Mitt.}} *''Thuidium cylindrella'' {{small|Müll. Hal.}} *''Thuidium cymbifolium'' {{small|(Dozy & Molk.) Dozy & Molk.}} *''Thuidium delicatulum'' {{small|(Hedw.) Schimp.}} *''Thuidium diaphanum'' {{small|(Müll. Hal.) Paris}} *''Thuidium espinosae'' {{small|Herzog}} *''Thuidium frontinoae'' {{small|(Müll. Hal.) A. Jaeger}} *''Thuidium granulatum'' {{small|(Hampe) A. Jaeger}} *''Thuidium hygrophilum'' {{small|Głow.}} *''Thuidium inconspicuum'' {{small|Herzog}} *''Thuidium intermedium'' {{small|Mitt.}} *''Thuidium kanedae'' {{small|Sakurai}} *''Thuidium laeviusculum'' {{small|(Mitt.) A. Jaeger}} *''Thuidium ligulifolium'' {{small|Herzog}} *''Thuidium loricalycinum'' {{small|(Müll. Hal.) Kindb.}} *''Thuidium mattogrossense'' {{small|Broth.}} *''Thuidium mentiens'' {{small|Podp.}} *''Thuidium ochraceum'' {{small|Herzog}} *''Thuidium paraguense'' {{small|Besch.}} *''Thuidium patrum'' {{small|Sehnem}} *''Thuidium perscissum'' {{small|(Müll. Hal.) A. Jaeger}} *''Thuidium peruvianum'' {{small|Mitt.}} *''Thuidium pinnatulum'' {{small|(Hampe) Lindb.}} *''Thuidium plumulosum'' {{small|(Dozy & Molk.) Dozy & Molk.}} *''Thuidium poeppigii'' {{small|Müll. Hal.}} *''Thuidium pristocalyx'' {{small|(Müll. Hal.) A. Jaeger}} *''Thuidium pseudodelicatulum'' {{small|A. Jaeger}} *''Thuidium pseudoglaucinum'' {{small|Touw}} *''Thuidium pseudoprotensum'' {{small|(Müll. Hal.) Mitt.}} *''Thuidium pulvinatulum'' {{small|Müll. Hal.}} *''Thuidium quadrifarium'' {{small|Mitt.}} *''Thuidium recognitum'' {{small|(Hedw.) Lindb.}} *''Thuidium serricola'' {{small|(Müll. Hal.) Paris}} *''Thuidium subglaucinum'' {{small|Cardot}} *''Thuidium subgranulatum'' {{small|(Geh. & Hampe) Kindb}} *''Thuidium submicropteris'' {{small|Cardot}} *''Thuidium subtamariscinum'' {{small|(Hampe) Broth.}} *''Thuidium tamariscinum'' {{small|(Hedw.) Schimp.}} *''Thuidium thermophilum'' {{small|Czernjadieva}} *''Thuidium tomentosum'' {{small|Schimp.}} *''Thuidium unipinnatum'' {{small|Y. M. Fang & T.J. Kop.}} *''Thuidium urceolatum'' {{small|Lorentz}} *''Thuidium yungarum'' {{small|Herzog}} {{div col end}}
==References== {{Reflist}}
{{Taxonbar|from1=Q4992228}}
Category:Thuidiaceae Category:Moss genera