<documentid="D5439D08BEE2BD8F984F07E0B1D55D32"ID-DOI="10.11646/phytotaxa.655.1.5"ID-ISSN="1179-3163"ID-Zenodo-Dep="13217199"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1722603270291"checkinUser="felipe"docAuthor="Guzmán-Guillermo, Jorge, Chen, Jie, Enríquez-Bedolla, José Carlos, Ortega, Iván Oros-, Zetina-Córdoba, Pedro, Núñez-Pastrana, Rosalía & Llarena-Hernández, Régulo Carlos"docDate="2024"docId="03F3A841FFD2FFBDFF59217DFD6BFD4E"docLanguage="en"docName="phytotaxa.655.1.5.pdf"docOrigin="Phytotaxa 655 (1)"docSource="http://dx.doi.org/10.11646/phytotaxa.655.1.5"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Agaricus xalapensis Guzmán-Guillermo, Linda J. Chen & Llarena-Hernández, sp. nov."docType="treatment"docVersion="2"lastPageNumber="74"masterDocId="FFCAD039FFD7FFB4FFD12737FF98FFB6"masterDocTitle="Morphological characteristics and phylogenetic analyses revealed two new species of Agaricus subg. Minoriopsis from Mexico"masterLastPageNumber="78"masterPageNumber="65"pageNumber="70"updateTime="1722810741386"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="CDA27B18BBB1604A85B4E1BBDA88CB50">Morphological characteristics and phylogenetic analyses revealed two new species of Agaricus subg. Minoriopsis from Mexico</mods:title>
<mods:affiliationid="CE1D5866CCABD65405343373C9DD85B0">Facultad de Ciencias Biológicas y Agropecuarias, Peñuela, Universidad Veracruzana, Amatlán de los Reyes, 94945, Veracruz, México.</mods:affiliation>
<mods:affiliationid="AA08C240F6EA9D4EAE2CC1CC5CDD2063">Programa de Ingeniería Agroindustrial, Universidad Politécnica de Huatusco, Huatusco, 94100, Veracruz, México.</mods:affiliation>
<mods:affiliationid="261BE424301BEEC78D401F24DA2648C3">Tecnológico Nacional de México, Campus Instituto Tecnológico de la Zona Maya. Ctra. Chetumal-Escárcega km 21.5, Ejido Juan Sarabia, 77965, Quintana Roo, México.</mods:affiliation>
<mods:affiliationid="EB706F48B91892DD7E65BA25D1D21A68">Programa de Ingeniería Agroindustrial, Universidad Politécnica de Huatusco, Huatusco, 94100, Veracruz, México.</mods:affiliation>
<mods:affiliationid="17DAE876BD39711FF43B057098AAA5C0">Facultad de Ciencias Biológicas y Agropecuarias, Peñuela, Universidad Veracruzana, Amatlán de los Reyes, 94945, Veracruz, México.</mods:affiliation>
<mods:affiliationid="5C5A12FFD939C9E8C0273E5045CFDD1C">Facultad de Ciencias Biológicas y Agropecuarias, Peñuela, Universidad Veracruzana, Amatlán de los Reyes, 94945, Veracruz, México.</mods:affiliation>
<taxonomicNameid="4C5A62D4FFD2FFB1FF59217DFC61F9D2"authority="Guzman-Guillermo, Linda J. Chen & Llarena-Hernandez"box="[136,1017,1609,1636]"class="Agaricomycetes"family="Agaricaceae"genus="Agaricus"kingdom="Fungi"order="Agaricales"pageId="5"pageNumber="70"phylum="Basidiomycota"rank="species"species="xalapensis"status="sp. nov.">
<figureCitationid="136105D2FFD2FFB1FB6E217DFB55F9D3"box="[1215,1229,1610,1637]"captionStart="FIGURE 5"captionStartId="8.[136,229,1952,1974]"captionTargetBox="[174,1413,193,1928]"captionTargetId="figure-24@8.[174,1413,190,1928]"captionTargetPageId="8"captionText="FIGURE 5. Microscopic characteristics of Agaricus xalapensis. a–e. (J2367, holotype). a. Basidia; b. Spores; c. Cheilocystidia; d. Hyphae of the lower surface of the annulus; e. Pileipellis hyphae. Scale bars = 5 μm."figureDoi="http://doi.org/10.5281/zenodo.13217209"httpUri="https://zenodo.org/record/13217209/files/figure.png"pageId="5"pageNumber="70">5</figureCitation>
diam., conical-truncate to convex when young, then plano-convex, finally plane at maturity, covered by light yellowish brown to brownish appressed-fibrillose scales on cream whitish background, denser at center. Surface dull and dry. Margin slightly exceeding the lamellae.
free, straight, intercalated with numerous lamellulae, white for a long time, staining pinkish after handled, then greyish pink, finally dark brown at maturity.
at base), cylindrical to clavate, and sometimes with a bulbous base, fistulose when young, with an annulus in its upper third, above annulus smooth and white, below annulus covered with concolor tiny erected-fibrillose scales, faintly yellowish when bruised.
superous, double, white, usually thick, upper surface smooth, lower surface covered with brownish or white scales, often forming a cogwheel at the margin.
of hyaline hyphae, cylindrical, not or slightly narrowed at septa, 3–10 μm wide; and others, generally consisting of globose, spherical, ovoid or peanutshaped inflated elements readily disarticulating, up to 10 μm wide.
a cutis composed of cylindrical and thin-walled hyphae of 3.5–7 μm wide, hyaline or with light brownish membranous pigment, slightly constricted at the septa, or sometimes very narrow at the septa, consisting of short fusiform or doliiform elements, 6–13 μm wide. Clamp connections not observed.
<collectingDateid="EFA0C67FFFDEFFBDFB1B27D1FA3FFEB6"box="[1226,1447,230,256]"pageId="9"pageNumber="74"value="2021-09-08">8 September 2021</collectingDate>
<specimenCodeid="DBFCB12CFFDEFFBDFEA1263DFE2BFE92"box="[368,435,266,292]"collectionCode="J"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="9"pageNumber="74"type="Herbarium">J2367</specimenCode>
<collectionCodeid="ED4B8192FFDEFFBDFDE9263DFDEEFE92"box="[568,630,266,292]"country="Mexico"httpUri="http://grbio.org/cool/wbe7-qwr9"name="Instituto de Ecología, A.C."pageId="9"pageNumber="74"type="Herbarium">XAL</collectionCode>
)
</materialsCitation>
;
<materialsCitationid="3B32130AFFDEFFBDFD58263DFD90FEFE"collectingDate="2021-09-12"collectionCode="J"country="Mexico"county="Facultad de Ingenieria"location="Xalapa"municipality="Universidad Veracruzana"pageId="9"pageNumber="74"specimenCode="J2883"specimenCount="1"typeStatus="holotype">
<locationid="8E854F8CFFDEFFBDFD58263DFD43FE92"LSID="urn:lsid:plazi:treatment:03F3A841FFD2FFBDFF59217DFD6BFD4E:8E854F8CFFDEFFBDFD58263DFD43FE92"box="[649,731,266,292]"country="Mexico"county="Facultad de Ingenieria"municipality="Universidad Veracruzana"name="Xalapa"pageId="9"pageNumber="74">Xalapa</location>
<collectingDateid="EFA0C67FFFDEFFBDFAC0263DFF5BFEFE"pageId="9"pageNumber="74"value="2021-09-12">12 September 2021</collectingDate>
</date>
, Guzmán-Guillermo,
<specimenCodeid="DBFCB12CFFDEFFBDFE102619FD90FEFE"box="[449,520,302,328]"collectionCode="J"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="9"pageNumber="74"type="Herbarium">J2883</specimenCode>
</materialsCitation>
;
<materialsCitationid="3B32130AFFDEFFBDFDC92619FE6FFEDB"collectingDate="2022-09-18"collectionCode="J"country="Mexico"county="Parque La Loma"location="Xalapa"municipality="Circuito Presidentes"pageId="9"pageNumber="74"specimenCode="J2946, J2947, J2953"specimenCount="1"typeStatus="holotype">
<locationid="8E854F8CFFDEFFBDFDC92619FDF2FEFE"LSID="urn:lsid:plazi:treatment:03F3A841FFD2FFBDFF59217DFD6BFD4E:8E854F8CFFDEFFBDFDC92619FDF2FEFE"box="[536,618,302,328]"country="Mexico"county="Parque La Loma"municipality="Circuito Presidentes"name="Xalapa"pageId="9"pageNumber="74">Xalapa</location>
<collectingDateid="EFA0C67FFFDEFFBDFB9D2619FAABFEFE"box="[1100,1331,302,328]"pageId="9"pageNumber="74"value="2022-09-18">18 September 2022</collectingDate>
</date>
, Guzmán-Guillermo,
<specimenCodeid="DBFCB12CFFDEFFBDFEDA2665FEC9FEDA"box="[267,337,338,364]"collectionCode="J"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="9"pageNumber="74"type="Herbarium">J2946</specimenCode>
,
<specimenCodeid="DBFCB12CFFDEFFBDFE8F2665FE3CFEDA"box="[350,420,338,364]"collectionCode="J"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="9"pageNumber="74"type="Herbarium">J2947</specimenCode>
,
<specimenCodeid="DBFCB12CFFDEFFBDFE602665FE6FFEDB"box="[433,503,338,365]"collectionCode="J"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="9"pageNumber="74"type="Herbarium">J2953</specimenCode>
<collectingDateid="EFA0C67FFFDEFFBDFBA22665FAAEFEDA"box="[1139,1334,338,364]"pageId="9"pageNumber="74"value="2022-10-24">24 October 2022</collectingDate>
</date>
, Guzmán-Guillermo,
<specimenCodeid="DBFCB12CFFDEFFBDFED82641FED7FE26"box="[265,335,374,400]"collectionCode="J"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="9"pageNumber="74"type="Herbarium">J3004</specimenCode>
is characterized by its medium to large-sized basidiomata, the pileus covered with light yellowish brown to brownish appressed-fibrillose scales, the tiny erected-fibrillose scales on the stipe surface below the annulus, the double annulus, and the odor of bitter almonds.
<bibRefCitationid="EFCB64A6FFDEFFBDFC3225A1FB39FD06"author="Parra, L. A. & Angelini, C. & Ortiz-Santana, B. & Mata, G. & Billette, C. & Rojo, C. & Chen, J. & Callac, P."box="[995,1185,662,689]"pageId="9"pageNumber="74"pagination="219 - 271"refId="ref9921"refString="Parra, L. A., Angelini, C., Ortiz-Santana, B., Mata, G., Billette, C., Rojo, C., Chen, J. & Callac, P. (2018) The genus Agaricus in the Caribbean. Nine new taxa mostly based on collections from the Dominican Republic. Phytotaxa 345 (3): 219 - 271. https: // doi. org / 10.11646 / phytotaxa. 345.3.2"type="journal article"year="2018">
<figureCitationid="136105D2FFDEFFBDFD7125E9FD7AFD4E"box="[672,738,734,760]"captionStart="FIGURE 1"captionStartId="3.[136,229,1764,1786]"captionTargetBox="[152,1434,193,1733]"captionTargetId="figure-18@3.[151,1436,187,1737]"captionTargetPageId="3"captionText="FIGURE 1. Maximum likelihood phylogram of Agaricus subg. Minoriopsis resulting from analysis of ITS sequence data. The bootstrap support values greater than 50% and Bayesian posterior probabilities greater than 0.8 are indicated above branches (BS/PP). New species are in bold. T = Type specimen."figureDoi="http://doi.org/10.5281/zenodo.13217201"httpUri="https://zenodo.org/record/13217201/files/figure.png"pageId="9"pageNumber="74">Fig. 1</figureCitation>
