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roadside in grassy, open clearing above arroyo on volcanic tuff substrate
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roadside in grassy, open clearing above arroyo on volcanic tuff substrate. NOTE: Heads without stipitate glands
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roadside in coarse volcanic andesite gravels. NOTE: Herbage without glands, upper stem hairs appressed, lower bristly spreading
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roadside in coarse volcanic andesite gravels. NOTE: Herbage without glands, upper stem hairs appressed, lower bristly spreading
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volcanic soil and gravels in and around road cut in andesite rock
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volcanic soil and gravelsin and around road cuts in andesite rock
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volcanic soil and gravels in and around road cuts in andesite rock
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volcanic soil and gravels in and around road cuts in andesite rock
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volcanic soil and gravels in and around road cuts in andesite rock. Note: non-glandular foliage
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volcanic soil and gravels in and around road cuts in andesite rock. Note: non-glandular foliage, appressed pubescence on stem