Carex lachenalii

{{Short description|Species of flowering plant}}

{{Speciesbox

| image = Carex lachenalii - twotipped sedge - Flickr - Matt Lavin (4).jpg

| image_caption = In Montana

| status = LC

| status_system = IUCN3.1

| genus = Carex

| species = lachenalii

| authority = SchkuhrBeschr. Riedgräs. 1: 51 (1801)

| synonyms_ref =

| synonyms = {{Collapsible list|

• Carex bipartita var. austromontana F.J.Herm.
• Carex bipartita var. scaber (Akiyama) Akiyama
• Carex cooptanda C.B.Clarke
• Carex lagopina Wahlenb.
• Carex lagopina var. scaber Akiyama
• Carex lagopina var. subtenuiflora Almq.
• Carex parkeri Petrie
• Carex parviflora Gaudin
• Carex sewellii A.Benn. & C.B.Clarke
• Carex tripartita All.
• Vignea lachenalii (Schkuhr) Soják
• Vignea lagopina (Wahlenb.) Rchb.
• Vignea tripartita (All.) Rchb.

}}

}}

Carex lachenalii, called the twotipped sedge and hare's foot sedge, is a species of flowering plant in the genus Carex, native to temperate and subarctic North America, Greenland,{{Cite book|url=https://www.worldcat.org/oclc/183098604|title=Grønlands flora|date=1978|publisher=P. Haase & Sons|others=Tyge Wittrock Böcher|isbn=87-559-0385-1|edition=3. reviderede udgave|location=København|oclc=183098604}}{{Cite book|url=https://www.worldcat.org/oclc/1158895781|title=Nordens flora|date=2020|publisher=Gyldendal|others=Bo Mossberg, Lennart Stenberg, Jon Feilberg, Anna Torsteinsrud, Victoria Widmark|isbn=978-87-02-28916-9|edition=Nye, udvidede og omarbejdede udgave|location=Kbh.|oclc=1158895781}} Iceland, Europe, and Asia, and the South Island of New Zealand.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:332083-2 |title=Carex lachenalii Schkuhr |author= |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=16 January 2021 }}{{cite web |url=https://plants.usda.gov/core/profile?symbol=CALA10 |title=Plant profile for Carex lachenalii Schkuhr twotipped sedge |author= |date= |website=Plants Database |publisher=USDA |access-date=16 January 2021 }}{{cite web |title=Carex lachenalii hare's foot sedge |url=https://www.rhs.org.uk/Plants/162170/i-Carex-lachenalii-i/Details |publisher=The Royal Horticultural Society |accessdate=16 January 2021 }} Its diploid chromosome number is 2n=64, with some uncertainty.{{cite journal |last1=Rotreklová |first1=Olga |last2=Bureš |first2=Petr |last3=Řepka |first3=Radomír |last4=Grulich |first4=Vít |last5=Šmarda |first5=Petr |last6=Hralová |first6=Ivana |last7=Zedek |first7=František |last8=Koutecký |first8=Tomáš |date=2011 |title=Chromosome numbers of Carex |url=https://www.researchgate.net/publication/265414867 |journal=Preslia |volume=83 |issue=1 |pages=25–58 |access-date=16 January 2021 }}