File:Xanthoparmelia mexicana (Gyelnik) Hale 522721.jpg
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Summary[edit]
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Xanthoparmelia mexicana (Gyelnik) Hale Image location: Santa Barbara Co., California, USA Abundant on sandstone boulders in open sunny aspects with surrounding coast live oak (Quercus agrifolia). Light yellow green thallus abundant on roadside boulder. No apothecia or soredia, isidia abundant. Thallus light tan below, no rhizines near lobe tips. Medulla white, K+Y turning dark red. Co-occurs with Xanthoparmelia lineola. Xanthoparmelia plittii and other species that are isidiate with light lower thallus color, large overall size and K+ positive reaction differ from Xanthoparmelia mexicanaby medulla chemistry, with X. plittii and others having a K+Y turning orange (Norstictic or Stictic acids) rather than red (Salazinic acid). Used references: Nash Sonoran Flora
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| Date | Taken on 23 May 2015 | ||
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Licensing[edit]
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This file, which was originally posted to
https://mushroomobserver.org/image/show_image/522721, was reviewed on 22 March 2018 by reviewer MB298, who confirmed that it was available there under the stated license on that date.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 09:19, 22 March 2018 | | 4,288 × 2,848 (6.32 MB) | Leoboudv (talk | contribs) | =={{int:filedesc}}== {{Information |Description='''''Xanthoparmelia mexicana''''' (Gyelnik) Hale Image location: Santa Barbara Co., California, USA Abundant on sandstone boulders in open sunny aspects with surrounding coast live oak ([http://mushroomobserver.org/observer/lookup_name/Quercus+agrifolia ''Quercus agrifolia'']). Light yellow green thallus abundant on roadside boulder. No apothecia or soredia, isidia abundant. Thallus light tan below, no rhizines near lobe tips. Medulla white, K+Y turning dark red. Co-occurs with [http://mushroomobserver.org/observer/lookup_name/Xanthoparmelia+lineola ''Xanthoparmelia lineola'']. [http://mushroomobserver.org/observer/lookup_name/Xanthoparmelia+plittii ''Xanthoparmelia plittii''] and other species that are isidiate with light lower thallus color, large overall size and K+ positive reaction differ from ''Xanthoparmelia mexicana''by medulla chemistry, with X. plittii and others having a K+Y turning orange (Norstictic or Stictic acid... |
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