Wall ultrastructure of the Permian pollen grain Lueckisporites virkkiae Potonié et Klaus 1954 emend. Clarke : Evidence for botanical affinity
2020 ◽
Vol 275
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pp. 104169
1971 ◽
Vol 29
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pp. 338-339
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1990 ◽
Vol 171
(1-4)
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pp. 221-231
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1991 ◽
Vol 67
(1-2)
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pp. 133-139
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