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<document id="31C63D6CCBFBDF2E97EFD6C625B88DCA" ID-CLB-Dataset="27166" ID-DOI="http://dx.doi.org/10.3897/mycokeys.42.27369" ID-GBIF-Dataset="c134b61d-fafe-41bc-81d8-f86fba9de099" ID-PMC="PMC6286385" ID-Pensoft-Pub="1314-4049-42-35" ID-PubMed="30564052" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-4049-42-35" ModsDocOrigin="MycoKeys 42" ModsDocTitle="Six new species and reports of Hydnum (Cantharellales) from eastern North America" checkinTime="1555333462136" checkinUser="pensoft" docAuthor="Swenie, Rachel A., Baroni, Timothy J. &amp; Matheny, P. Brandon" docDate="2018" docId="55884B3491CA98CB74C06560419A4952" docLanguage="en" docName="MycoKeys 42: 35-72" docOrigin="MycoKeys 42" docSource="http://dx.doi.org/10.3897/mycokeys.42.27369" docTitle="Hydnum subconnatum Swenie &amp; Matheny, sp. nov." docType="treatment" docVersion="6" lastPageNumber="35" masterDocId="FE5CFFB8FFB1FFBD2D0BFFD8017CFF7A" masterDocTitle="Six new species and reports of Hydnum (Cantharellales) from eastern North America" masterLastPageNumber="72" masterPageNumber="35" pageNumber="35" updateTime="1732688686868" updateUser="ExternalLinkService">
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<mods:title id="668EB35FB2563C40B6830409E01C2A60">Six new species and reports of Hydnum (Cantharellales) from eastern North America</mods:title>
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<mods:namePart id="2E0821ACCB9972832E41A8FADC2A2F3B">Swenie, Rachel A.</mods:namePart>
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<mods:namePart id="C32D5B767E6CF405259D8BF2A4341907">Baroni, Timothy J.</mods:namePart>
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<mods:namePart id="9BA4B395B985CE0FAD8E9BF37EDB5197">Matheny, P. Brandon</mods:namePart>
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<mods:date id="8837FF2172EEACBE0062916DDBACF6E5">2018</mods:date>
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<mods:classification id="48ECE523A2E997D928408043C508949A">journal article</mods:classification>
<mods:identifier id="9361C7A59294F15C023C5FD3E0C8EFEF" type="DOI">http://dx.doi.org/10.3897/mycokeys.42.27369</mods:identifier>
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<treatment id="55884B3491CA98CB74C06560419A4952" ID-GBIF-Taxon="156202185" LSID="urn:lsid:plazi:treatment:55884B3491CA98CB74C06560419A4952" httpUri="http://treatment.plazi.org/id/55884B3491CA98CB74C06560419A4952" lastPageNumber="35" pageId="0" pageNumber="35" scope_order="Cantharellales">
<subSubSection id="AB392F60BCF4C35D2F22004C5CDAFDE0" pageId="0" pageNumber="35" type="nomenclature">
<paragraph id="4E1674DB788B729C76BC3D3511AC0E67" pageId="0" pageNumber="35">
<taxonomicName id="BEBD0BADCEF4BD029886D2D2FE37DD27" authority="Swenie &amp; Matheny" class="Agaricomycetes" family="Hydnaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum subconnatum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="subconnatum">Hydnum subconnatum Swenie &amp; Matheny</taxonomicName>
<taxonomicNameLabel id="A49906DE7218888D3E8977EEEAF11D49" pageId="0" pageNumber="35">sp. nov.</taxonomicNameLabel>
Figs 4A, 5L
</paragraph>
</subSubSection>
<subSubSection id="9C4FACD8EC03C92978AEEB5DB4749DC6" pageId="0" pageNumber="35" type="diagnosis">
<paragraph id="0A3E232ADC2AAEE49F70C76B366990E9" pageId="0" pageNumber="35">Diagnosis.</paragraph>
<paragraph id="35FD4787A91B0C5E2097B393016991A8" pageId="0" pageNumber="35">
Closely related to
<taxonomicName id="7332604287737350FB584D5CB44390A0" class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum oregonense" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="oregonense">Hydnum oregonense</taxonomicName>
but differs from it by ITS sequence divergence and geographic distribution.
<taxonomicName id="5B2EB9C66E59C9BFE0904287777038AD" class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum subconnatum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="subconnatum">Hydnum subconnatum</taxonomicName>
is known only from the southeastern U.S.
</paragraph>
</subSubSection>
<subSubSection id="82B611D743658B486F293BC4A3EBB7F0" pageId="0" pageNumber="35" type="materials_examined">
<paragraph id="2F358DCDC58E44DBA18CFD0EE1D7D23F" pageId="0" pageNumber="35">Type.</paragraph>
<paragraph id="5C151689A76E111A2992677A55B49078" pageId="0" pageNumber="35">
UNITED STATES. North Carolina: Yancey County, Carolina Hemlocks Recreation Area, picnic area (35.8057; -82.2047), on soil growing in fused cluster and singly with
<taxonomicName id="16689242411080B800ABEC39DB691DDD" class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga carolinensis" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="carolinensis">Tsuga carolinensis</taxonomicName>
,
<taxonomicName id="49E301B060134AB22B6D168C1B229566" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="DCA4DCE1C22050D4DCC3961D22475524" class="Magnoliopsida" family="Magnoliaceae" genus="Liriodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Liriodendron" order="Magnoliales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Liriodendron</taxonomicName>
, 840 m, 29 Sep 2017, R.A. Swenie RAS235 (holotype: TENN 073064).
</paragraph>
</subSubSection>
<subSubSection id="31955A1C847E715E639E89BCBB792DAC" pageId="0" pageNumber="35" type="etymology">
<paragraph id="430625D5129E6022BA3865ABC2505535" pageId="0" pageNumber="35">Etymology.</paragraph>
<paragraph id="B35AC0574D7026CDC1FDBD7E54A90843" pageId="0" pageNumber="35">
<taxonomicName id="6D67D62293F6E29712FBAA7DBF778C74" lsidName="subconnatum" pageId="0" pageNumber="35" rank="species" species="subconnatum">subconnatum</taxonomicName>
(L.), born together, in reference to the fused stipe bases of multiple basidiomes.
</paragraph>
</subSubSection>
<subSubSection id="0049F261D01B8902996618F9AC964670" pageId="0" pageNumber="35" type="description">
<paragraph id="520458E9BD1F6F3CECB8F4AA0A9C3C03" pageId="0" pageNumber="35">Description.</paragraph>
<paragraph id="1821B799EF51D4E32536400E0BC82219" pageId="0" pageNumber="35">
Pileus 10-75 mm wide, more or less round, broadly convex to plane, surface usually dry but sometimes slightly hygrophanous, glabrous, occasionally with shallow cracks or pits in age, sometimes umbilicate or with central depression, peach orange (6C8-6B7) to reddish-brown (
<normalizedToken id="37EF235877867D3CD950F7602F3E96A3" originalValue="“Cinnamon-Rufous”">&quot;Cinnamon-Rufous&quot;</normalizedToken>
); margin incurved and entire, becoming eroded or split and sometimes wavy in age. Spines 1-8 mm long, shortest near margin, adnate to subdecurrent, white to pale orange (5A4, 6A3). Stipe 15-60
<normalizedToken id="6036667F7AD3EEAE3C9E4C9488E353A3" originalValue="×">x</normalizedToken>
5-20(30) mm, central or eccentric, equal or widening to bulbous base, sometimes with up to four basidiomes fused together at base, texture smooth, white to dull tan, bruising orange-brown (6B8-7D7 or
<normalizedToken id="5D3CF6B4643F2343D8A28ECC06228023" originalValue="“Ochraceous-Buff”">&quot;Ochraceous-Buff&quot;</normalizedToken>
). Context fleshy, white to dull cream-brown, staining not observed. Odor mild or slightly sweet. Taste mild.
</paragraph>
<paragraph id="A537A21899299BA94339987F72ABDC48" pageId="0" pageNumber="35">
Basidiospores 8.5
<normalizedToken id="74CF59DE84FAA33078A3659A84F425E6" originalValue="8.9">-8.9-</normalizedToken>
10
<normalizedToken id="F58D232DAE7AAEEF1E38ED3738365E60" originalValue="μm">μm</normalizedToken>
<normalizedToken id="6F26748A066E9086F04EF443DC451692" originalValue="×">x</normalizedToken>
7.5
<normalizedToken id="FBD9D4FF54C2FF808394D63C7AAE2EE0" originalValue="8.5">-8.5-</normalizedToken>
9.5(10)
<normalizedToken id="C3BDEC25DFB64A6FAF2EBF64044EFAAD" originalValue="μm">μm</normalizedToken>
, Q= 1.00
<normalizedToken id="262023B7BB4B15D435FEE952F5430FDE" originalValue="1.05">-1.05-</normalizedToken>
1.14(1.20) (n=34/3), globose to subglobose, smooth, hyaline in KOH. Basidia 48-61
<normalizedToken id="767362D3E4E365866B3048EDFA8E2F86" originalValue="×">x</normalizedToken>
8.5-10.5
<normalizedToken id="9A670ED41005489C76155ECC6E6D4AE1" originalValue="μm">μm</normalizedToken>
with 3-4 sterigmata. Pileipellis an interwoven cutis, hyphae smooth, cylindrical, thin-walled, mostly 4-6
<normalizedToken id="C91CB5011F027402DC887BC752FF4E8F" originalValue="μm">μm</normalizedToken>
wide. Clamp connections present.
</paragraph>
</subSubSection>
<subSubSection id="F28DE0D008E956E2B8706E6D33435178" pageId="0" pageNumber="35" type="distribution">
<paragraph id="ECCCD8047C993328CAFAC1E71A0346A6" pageId="0" pageNumber="35">Distribution.</paragraph>
<paragraph id="90C40F0C335C4D73371B51D686B3A395" pageId="0" pageNumber="35">Southeastern U.S. - North Carolina (type), Tennessee, and Georgia.</paragraph>
</subSubSection>
<subSubSection id="05474CCDB9143EA5DC7C52F2D81D8670" pageId="0" pageNumber="35" type="ecology">
<paragraph id="1F17FE64A961E086840203626594CB67" pageId="0" pageNumber="35">Ecology.</paragraph>
<paragraph id="FBE5DD0266ED913B0B3CB013234DED39" pageId="0" pageNumber="35">
In mixed woods with
<taxonomicName id="A16A0803840E7A2C826300CB4E8B63B9" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="64AA713B89ECBC447CB192B9B7BF3016" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
,
<taxonomicName id="B54C078693129325704B200B1C381AB3" class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
,
<taxonomicName id="5AC489950244E546BE36EE1DBE346F57" class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
,
<taxonomicName id="57FF5D5AD3035FE9C0D8CE1A9E80D34A" class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
,
<taxonomicName id="70E01310BCB4E0C8C6B0373E28D97A38" class="Magnoliopsida" family="Juglandaceae" genus="Carya" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carya" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Carya</taxonomicName>
,
<taxonomicName id="F4B73546EAADFCB8F2124E25153F1822" class="Magnoliopsida" family="Magnoliaceae" genus="Liriodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Liriodendron" order="Magnoliales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Liriodendron</taxonomicName>
. July to December.
</paragraph>
</subSubSection>
<subSubSection id="4DBAE5EAC95A235A7DE15914FE511042" pageId="0" pageNumber="35" type="materials_examined">
<paragraph id="CB88EC96D2E50FA467D2323CBA8A8FB2" pageId="0" pageNumber="35">Other specimens examined.</paragraph>
<paragraph id="D582C84F684EDFC2E74821402CAA60F9" pageId="0" pageNumber="35">
UNITED STATES. Georgia: Chatham County, Wormsloe Plantation, in duff with
<taxonomicName id="06901FDF3FB00FDC52CF59B54D2386FA" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="E4B404814FDA4140F6C110544FE172FF" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
, 8 m, 26 Dec 1976, J.H. Restivo JHR40605 (TENN 040605). White County, Unicoi State Park, Unicoi to Helen Trail, solitary beside trail with
<taxonomicName id="9368699040E40BBD92E432A2EAC5D570" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
and mixed hardwoods, 460 m, 16 Jul 2017, J.E. Uehling RAS165 (TENN 073026). White County, Unicoi State Park, Unicoi to Helen Trail, solitary beside trail with
<taxonomicName id="AE8C290D7838B162DE2936FD34E88D35" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
and mixed hardwoods, 460 m, 16 Jul 2017, R.A. Swenie RAS169 (TENN 073048). Tennessee: Great Smoky Mountains National Park, under
<taxonomicName id="3B67DC6BF3BC8194A76F29615E5184D8" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
,
<taxonomicName id="A8A19E1E0F75E92C1ABA5437CECFDDF0" class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
,
<taxonomicName id="533D58232019DFAB2B711618B9D2198B" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="10941F8962AB3160A397649CA74ABD97" class="Magnoliopsida" family="Sapindaceae" genus="Acer" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Acer" order="Sapindales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Acer</taxonomicName>
,
<normalizedToken id="7F1068EE4C6C433C5D17C0E826843FD2" originalValue="Meigs">Meig's</normalizedToken>
Creek Trail, 580 m, 30 Sep 2004, E.B. Lickey TFB12311 (TENN 060359). Great Smoky Mountains National Park, Cades Cove, scattered in mixed forest with
<taxonomicName id="3D4A1CFDC11A269158027C23717CF74D" class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
,
<taxonomicName id="D1508252EBD307A601993C9D37DCBA9B" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="F8D90D0C4862FE563B8CB355C6EADE8D" class="Magnoliopsida" family="Juglandaceae" genus="Carya" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carya" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Carya</taxonomicName>
,
<taxonomicName id="B25295EA3507D3C9268F51BFF50CB6B9" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
, 520 m, 23 Nov 2013, R.A. Walter RAW18 (TENN 073005). Great Smoky Mountains National Park, Schoolhouse Gap Trail, scattered beneath
<taxonomicName id="F1622D7221540BCD3112513A7464A9A7" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
,
<taxonomicName id="C6E04576FBC3DCF6847DC3E199AE443B" class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
,
<taxonomicName id="0DCC67A2745485CF9769D25298184A21" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="1D4EF90594257EFE64DAA67AB21D4334" class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
, 550 m, 26 Oct 2013, K.E. Rewcastle KER016 (TENN 073006). Great Smoky Mountains National Park, trail to Look Rock fire tower, some caespitose and forming a ring among
<taxonomicName id="FFAA8A9B2A090A75C87C8359DF5F05EB" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
litter on trail, 800 m, 17 Nov 2009, E.E. Austin EEA171109-1 (073744). Great Smoky Mountains National Park, Trillium Gap Trail, 9 Jul 2017, B.P. Looney BPL931 (TENN 073028). Big Ridge State Park, Ghost House Loop Trail, scattered to caespitose under
<taxonomicName id="AE3F36D88C2A9F957FD789D5677FBEC3" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="D27E8C2F2E9AB45E508DAA7EF1FAF4A4" class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
,
<taxonomicName id="8BE384A08EF36393D39544588B010A52" class="Magnoliopsida" family="Juglandaceae" genus="Carya" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carya" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Carya</taxonomicName>
,
<taxonomicName id="BAF30A3DF4EE6FEA6571F0A91D54BCD2" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus virginiana" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="virginiana">Pinus virginiana</taxonomicName>
, 320 m, 9 Nov 2015, R.A. Swenie RAS053 (TENN 070846).
</paragraph>
</subSubSection>
<subSubSection id="6C4790F6AA0015FDD067102F901EFE52" pageId="0" pageNumber="35" type="discussion">
<paragraph id="26270BF339F0907E9DD40AB93FC29129" pageId="0" pageNumber="35">Discussion.</paragraph>
<paragraph id="02973B78AF3650F4DC771B94579AE10D" pageId="0" pageNumber="35">
<taxonomicName id="D13F6B760674A44F472E6E59ACCF3812" class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum subconnatum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="subconnatum">Hydnum subconnatum</taxonomicName>
is known from the southeastern U.S. in a range of low elevation mixed forests such as oak-pine or hemlock-pine mixed with oak and beech. All known specimens are reported under 1000 m elevation. Basidiomes can occur in caespitose clusters with the stipe bases and two or more pilei fused together. The pileus coloration is highly variable, however, ranging from deep orange to pale peach and fading to tan towards the margin, making this a difficult species to distinguish at a glance.
<taxonomicName id="93C9B80574BFCE89253B855A5372CDE7" class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum caespitosum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="caespitosum">Hydnum caespitosum</taxonomicName>
Banning ex Peck (non
<taxonomicName id="6ED50D1FF92990DDC36E8159FB389577" lsidName="H. caespitosum" pageId="0" pageNumber="35" rank="species" species="caespitosum">H. caespitosum</taxonomicName>
Valenti), described from Maryland, occurs &quot;at roots of trees and near old stumps&quot; and is much paler in coloration, depicted by Banning in her painting as a yellowish species. Furthermore, our examination of the holotype of
<taxonomicName id="E6FBCAEB368A9CF4135DB0AF65B6C0CB" lsidName="H. caespitosum" pageId="0" pageNumber="35" rank="species" species="caespitosum">H. caespitosum</taxonomicName>
revealed that basidiospores are much smaller in that species than in
<taxonomicName id="991775C6F441CD1E1B0C8BC345D5C5BE" class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum subconnatum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="subconnatum">Hydnum subconnatum</taxonomicName>
. The new name
<taxonomicName id="0DDC20DF045A14E5201B3B719979992F" lsidName="H. geminum" pageId="0" pageNumber="35" rank="species" species="geminum">H. geminum</taxonomicName>
is proposed below for
<taxonomicName id="415A2FEBA8E8A5EC916BC512B4DAD513" lsidName="H. caespitosum" pageId="0" pageNumber="35" rank="species" species="caespitosum">H. caespitosum</taxonomicName>
Banning ex Peck.
</paragraph>
<paragraph id="4D70F6E9D7984022FE3043073E8FA05C" pageId="0" pageNumber="35">
Specimens of
<taxonomicName id="899F053DAEE9FA1D5AF998645B2C6A08" lsidName="H. subconnatum" pageId="0" pageNumber="35" rank="species" species="subconnatum">H. subconnatum</taxonomicName>
form a monophyletic group with support values &lt;70% (ML) and &lt;0.95 (BI). ITS sequence variation is relatively low (&lt;1%) among sampled specimens of
<taxonomicName id="D8E1AF4F5331D30927F6A04C7B02B013" lsidName="H. subconnatum" pageId="0" pageNumber="35" rank="species" species="subconnatum">H. subconnatum</taxonomicName>
, but the clade is highly dissimilar (8% sequence divergence) from Mexican taxa (Genbank KR135344-KR135345) that form a well-supported sister lineage.
</paragraph>
</subSubSection>
</treatment>
</document>