Adiantum pedatum in Flora of North America @ efloras.org

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML>  <head>  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-TGK4SMV');</script>  <title>Adiantum pedatum in Flora of North America @ efloras.org</title> <link rel="stylesheet" type="text/css" href='/templates/eflora.css' /> <script src="JavaScript/eflora.js" type="text/javascript" ></script> </head>  <body> <TABLE id="TableMain" cellSpacing="1" cellPadding="1" width="640" border="0"> <TR> <TD> <script language="javascript"> function jsClearTextBox(sender) { // alert(formSearchBox["name_str"].id); // alert(sender.value); if (sender.value == "taxon name") { sender.value = ""; } } </script> <table id="ucEfloraHeader_tableHeaderWrapper" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <TD style="WIDTH: 479px"><a id="ucEfloraHeader_linkFloraHome" title="Flora Homepage" href="flora_page.aspx?flora_id=1"><img src="images/flora/eflora-logo-1.gif" id="ucEfloraHeader_imageLogo" border="0" alt="Link to Flora of North America home" /><br> </a></TD> <TD valign="bottom" align="right"> <div id="ucEfloraHeader_panelSearchBox">  <FORM name="formSearchBox" action="browse.aspx" method="get"> <TABLE borderColor="#ccffcc" cellSpacing="0" cellPadding="2" width="200" border="1"> <TR> <TD> <span id="ucEfloraHeader_lblSearchBox"><INPUT TYPE='Hidden' NAME='flora_id' ' id='flora_id' VALUE='1' >  <input id=name_str name=name_str   value='' class=small title='Use % as the wildcard (e.g. pinus % or pinus a%)' onfocus='jsClearTextBox(this);' accessKey=s size=15> <input class=small type=submit value=Search name=btnSearch><br> <input name=chkAllFloras type=checkbox > <span class=small>All Floras      <A HREF='search_page.aspx?flora_id=1' TARGET='_top' class='a.link.small'>Advanced Search</A></span> </span></TD> </TR> </TABLE> </FORM>  </div> </TD> </tr> </table> </TD> </TR> <TR> <TD id="tdSubHeader"> <table id="FooterTableOut" width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> <tr> <TD> <table bgcolor="#ffffcc" id="footerTable" width="100%" border="0" cellpadding="2" cellspacing="0"> <tr> <td style="WIDTH: 291px">FNA Vol. 2</td> <TD align="right"> <span id="ucEfloraSubHeader_lblLinks"><a target='_top' href='/login.aspx'>Login</a> | <A HREF='/index.aspx' TARGET='_top' >eFloras Home</A> | <A HREF='/help_page.aspx' TARGET='_top' >Help</A></span></TD> </tr> </table> </TD> </tr> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> </table> </TD> </TR> <TR> <TD id="tdBody"> <table id="tableBody" cellSpacing="0" cellPadding="0" width="100%" border="0"> <tr> <td id="tdLeftBar" valign="top" width="0"></td> <td id="tdContent" vAlign="top" width="1930"> <table width="100%" border="0"> <tr> <td vAlign="top"> <table id="tableTaxonChain" cellspacing="0" cellpadding="1" width="100%" border="0"> <tr> <td><span id="lblTaxonChain" style="font-size:9pt;"><A HREF='flora_page.aspx?flora_id=1' TARGET='_top' TITLE='Flora homepage' >FNA</A> | <A HREF='browse.aspx?flora_id=1' TARGET='_top' >Family List</A> | <A HREF='volume_page.aspx?volume_id=1002&flora_id=1' TARGET='_top' >FNA Vol. 2</A> | <A HREF='florataxon.aspx?flora_id=1&taxon_id=10740' TARGET='_top' >Pteridaceae</A> <A HREF='browse.aspx?flora_id=1&start_taxon_id=10740' TARGET='_top' TITLE='lower taxa' ><img border='0' src='images/layout/icon-list.gif'></A> | <A HREF='florataxon.aspx?flora_id=1&taxon_id=100603' TARGET='_top' >Adiantum</A> <A HREF='browse.aspx?flora_id=1&start_taxon_id=100603' TARGET='_top' TITLE='lower taxa' ><img border='0' src='images/layout/icon-list.gif'></A></span></td> </tr> </table> <P></P> <div id="panelTaxonTreatment"> <span id="lblTaxonDesc"> 7. <b>Adiantum pedatum</b> Linnaeus, Sp. Pl. 2: 1095. 1753. <p>Northern maidenhair, adiante du Canada <P> <P> <P> <p> <I>Adiantum pedatum</I> forma <I>billingsae</I> Kittredge; <I>A</I>. <I>pedatum</I> forma <I>laciniatum</I> (Hopkins) Weatherby<p> Stems short-creeping; scales bronzy deep yellow, concolored, margins entire. Leaves lax-arching (rarely pendent), closely spaced, 40--75 cm. Petiole 1--2 mm diam., glabrous, occasionally glaucous. Blade fan-shaped, pseudopedate, 1-pinnate distally, 15--30 脳 15--35 cm, glabrous; proximal pinnae 3--9-pinnate; rachis straight, glabrous, occasionally glaucous. Segment stalks 0.5--1.5(--1.7) mm, dark color entering into segment base. Ultimate segments oblong, ca. 3 times as long as broad; basiscopic margin straight; acroscopic margin lobed, lobes separated by narrow incisions 0--0.9(--1.1) mm wide; apex obtuse, divided into shallow, rounded lobes separated by shallow sinuses 0.1--2(--3.7) mm deep, margins of lobes crenulate or crenate-denticulate. Indusia transversely oblong, 1--3 mm, glabrous. Spores mostly 34--40 碌m diam. 2 n = 58.<p> <p> <p> <p> Sporulating summer--fall. Rich, deciduous woodlands, often on humus-covered talus slopes and moist lime soils; 0--700 m; N.B., N.S., Ont., Que.; Ala., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.<p> Once considered a single species across its range in North America and eastern Asia, Adiantum pedatum is considered to be a complex of at least three vicariant species ( A . pedatum and A . aleuticum occur in North America) and a derivative allopolyploid species (C. A. Paris 1991). Adiantum pedatum in the strict sense is restricted to deciduous woodlands in eastern North America.<p> <p> <p> <P> </span> <P> </P> <P> <span id="lblLowerTaxonList"></span></P> <BR clear="all"> <P> </P> <table id="tableObjectList" cellspacing="0" cellpadding="4" width="100%" border="1"> <tr bgcolor="#ffffcc"> <TD> <TABLE cellSpacing="0" cellPadding="0" width="100%" border="0"> <TR> <TD> <span id="Label1" style="font-size:9pt;"> <b>Related Objects</b> </span></TD> <TD align="right"> <span id="lblGalleryLink" style="font-size:8pt;"><A HREF='image_list.aspx?flora_id=1&taxon_id=200003542' TARGET='_top' >Image Gallery</A></span> </TD> </TR> </TABLE> </TD> </tr> <tr> <TD> <span id="lblObjectList"><TABLE WIDTH='100%' BORDER='0' cellspacing=0> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=40827&flora_id=1' TITLE='Illustration' >Illustration</A></td> <td class='small'>Illustration</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=5151&flora_id=1' TITLE='Map' >Distribution Map</A></td> <td class='small'>Map</td> </TR> </TABLE> <p> <TABLE WIDTH='100%' BORDER='0' cellspacing=0> <TR > <td class='bold'>Flora of China</td> <td > </td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=123271&flora_id=2' TITLE='Illustration' >Illustration</A></td> <td class='small'>Illustration</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=123272&flora_id=2' TITLE='Illustration' >Illustration</A></td> <td class='small'>Illustration</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=123273&flora_id=2' TITLE='Illustration' >Illustration</A></td> <td class='small'>Illustration</td> </TR> <TR > <td class='bold'>Photos by The Biodiversity of the Hengduan Mountains Project</td> <td > </td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=90892&flora_id=800' TITLE='Image/JPEG' >Image/JPEG (Susan Kelley)</A></td> <td class='small'>Image/JPEG</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=90893&flora_id=800' TITLE='Image/JPEG' >Image/JPEG (David Boufford)</A></td> <td class='small'>Image/JPEG</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=90894&flora_id=800' TITLE='Image/JPEG' >Image/JPEG (David Boufford)</A></td> <td class='small'>Image/JPEG</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=90895&flora_id=800' TITLE='Image/JPEG' >Image/JPEG (Susan Kelley)</A></td> <td class='small'>Image/JPEG</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=90896&flora_id=800' TITLE='Image/JPEG' >Image/JPEG (David Boufford)</A></td> <td class='small'>Image/JPEG</td> </TR> <TR > <td width=400><li><A HREF='object_page.aspx?object_id=90897&flora_id=800' TITLE='Image/JPEG' >Image/JPEG (David Boufford)</A></td> <td class='small'>Image/JPEG</td> </TR> </TABLE> </span></TD> </tr> </table> <P></P> </div> <P><div id="panelTaxonLinks">  </P> <P> <table id="tableLinkList" cellspacing="0" cellpadding="4" width="100%" border="1"> <tr bgcolor="#ffffcc"> <TD><span id="lblLinkTitle" style="font-size:9pt;"><b>Related Links</b> (opens in a new window)</span></TD> </tr> <tr> <TD> <P><span id="lblLinkList"><b>Treatments in Other Floras @ www.efloras.org</b><ul> <li><A HREF='florataxon.aspx?flora_id=3&taxon_id=200003542' TARGET='_top' TITLE='treatment in Chinese Plant Names' >Chinese Plant Names</A><li><A HREF='florataxon.aspx?flora_id=2&taxon_id=200003542' TARGET='_top' TITLE='treatment in Flora of China' >Flora of China</A><li><A HREF='florataxon.aspx?flora_id=11&taxon_id=200003542' TARGET='_top' TITLE='treatment in Flora of Missouri' >Flora of Missouri</A></ul> <p> <b>Other Databases</b> <ul> <li><A HREF='http://mobot.mobot.org/cgi-bin/search_pick?name=Adiantum+pedatum' TARGET='FLORA_LINK' TITLE='W3TROPICOS' >W<SUP>3</SUP>TROPICOS</A> <li><A HREF='http://www.ipni.org/ipni/IpniServlet?family=&infrafamily=&genus=Adiantum&infragenus=&species=pedatum&infraspecies=&author_abbrev=&publication_title=&is_apni_record=on&is_gci_record=on&is_ik_record=on&include_authors=on&include_basionym_authors=on&query_type=by_query' TARGET='FLORA_LINK' TITLE='IPNI' >IPNI</A></ul> </span></P> </TD> </tr> </table> </div></P> </td> </tr> <tr> <td>  <P></P> <P><span id="lblEditLinks" style="font-size:9pt;"></span></P> <P> </P> </td> </tr> </table> </td> <TD id="tdRightBar" valign="top"></TD> </tr> </table> </TD> <tr> <td> <table id="SubHeaderTableOut" width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> <tr> <TD> <table bgcolor="#99cc99" id="SubHeaderTable" width="100%" border="0" cellpadding="2" cellspacing="0"> <tr> <TD align="center" bgColor="#ffffcc">  |  <a id="ucEfloraFooter_linkHome" href="index.aspx" target="_top">eFlora Home</a> |  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Adiantum pedatum in Flora of North America @ efloras.org