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Similar Polemonium pulcherrimum, Polemonium micranthum, Polemonium foliosissimum, Polemonium eximium, Polemonium occidentale | ||
Polemonium pauciflorum, the fewflower Jacob's-ladder, is a rare species of flowering plant in the phlox family found in the United States and Mexico.
References
Polemonium pauciflorum Wikipedia(Text) CC BY-SA