B. alternifolia
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Bahe, Nyingchi, Tibet, China (BHA)
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17 (BHAL1–17)
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Taji, Lhasa, Tibet, China (TJA)
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15 (TJAL1–15)
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Jiangzhi, Rikaze, Tibet, China (JZA)
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15 (JZAL1–15)
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Kangding, Tibetan Autonomous Prefecture of Garzê, Sichuan, China (KDA)
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14 (KDAL1–10,12–15)
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B. crispa
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Bahe, Nyingchi, Tibet, China (BHC)
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15 (BHCR1–15)
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Taji, Lhasa, Tibet, China (TJC)
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16 (TJCR1–16)
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Basu, Qamdo, Tibet, China (BSC)
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15 (BSCR1–15)
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Xishan, Kunming, Yunnan, China (KMC)
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12 (KMCR1–12)
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B. × wardii
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Bahe, Nyingchi, Tibet, China (BHW)
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16 (BHWI1–16)
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Taji, Lhasa, Tibet, China (TJW)
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17 (TJWI1–13,15–18)
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