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Asplenium nidus, sori on the lower abaxial surface of the fronds, Singapore
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Asplenium antiquum, sori,, Taipeh, Taiwan
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Christensenia aesculifolia, sori detail, Brunei, Borneo
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Patrick Blanc showing the mature sori of Christensenia aesculifolia, Gunung Mulu NP, Sarawak, Borneo, Sept. 2018
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Christensenia aesculifolia, lower surface of the frond with lines of cylindrical raised sori, Putao, Kachin, Myanmar
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Christensenia aesculifolia, raised brown sori and huge permanently open stomata, the biggest among vascular plants, Putao, Kachin, Myanmar
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Phymatosorus membranifolius, upper frond face with the deeply raised protuberances enclosing the sunken sori, Sekar Langit waterfall, Magelang, Java
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Phymatosorus membranifolius, lower frond surface with the sunken sori, , Java
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Platycerium stemaria, fertile fronds with dark brown sori, Campo, Cameroun
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Platycerium stemaria with dark brown sori, Campo, Cameroun
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Platycerium bifurcatum, epiphytic basket on a beach tree, Cape tribulation, Queensland, Australia
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Platycerium bifurcatum, basket and fertile fronds, Cape Tribulation, Queensland, Australia
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Platycerium coronarium, basket, photosynthetic and fertile fronds, Singapore
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Microsorum whiteheadii, sori on the abaxial undersurface of the frond, Payakumbuh, West Sumatra
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Microsorum whiteheadii, sori close up, Payakumbuh, West Sumatra
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Pyrrosia abbreviata, sori close up, Maninjau lake area, West Sumatra
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Pyrrosia assimilis, fertile fronds, Suzhou, China
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Antrophyum cf. reticulatum, sori along the main veins, Bambapuang, Enrekang, South Sulawesi
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Trichomanes elegans, lower surface of the frond with sori, Arusi, Nuqui, Choco, Colombia
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Trichomanes elegans, lower surface of the frond with sori, close up, Arusi, Nuqui, Choco, Colombia
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Cephalomanes singaporianum, fertile frond, sori with characteristic tubular involucre and very long exserted receptacle, Bukit Timah, Singapore
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Nephrolepis sp., frond and sori, Manu NP, Peru
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Athyrium otophorum sori, Yamaguchi, Japan
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Psilotum nudum with sporangia on the wall in front of the Opera, Sydney
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Psilotum complanatum stems and sporangia on the Patrick Blanc Home Vertical Garden
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Psilotum complanatum, stem, scales and sporangia, Patrick Blanc home