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ophis: caudex with stubs of last year's stems, barnyard grass
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ophis: stems pulled from caudex, barnyard grass
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ophis: caudex with four fertile stems, barnyard grass
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ophis: forked stem, barnyard grass
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ophis: reduced immature panicle, barnyard grass
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ophis: bare panicle with papillose-based bristles, barnyard grass
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ophis: caryopses, fertile florets, and spikelets, barnyard grass
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ophis: detached 2.5 mm spikelets, barnyard grass