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Pontia occidentalis occidentalis ♂ USA: COLORADO: Jefferson Co., Mt. Zion, 24-III-1991
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Pontia occidentalis occidentalis ♂ USA: COLORADO: Jefferson Co., Mt. Zion, 24-III-1991
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Pontia occidentalis occidentalis ♂ USA: COLORADO: Larimer Co., "A" Mtn. on Horsetooth Reservior Rd., 23-VI-1996
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Pontia occidentalis occidentalis ♂ USA: COLORADO: Larimer Co., "A" Mtn. on Horsetooth Reservior Rd., 23-VI-1996
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Pontia occidentalis occidentalis ♂ Bear's Ears Trail, Adam's Pass, Fremont Co., WY, USA 1-VIII-85
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Pontia occidentalis occidentalis ♂ Bear's Ears Trail, Adam's Pass, Fremont Co., WY, USA 1-VIII-85
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Pontia occidentalis occidentalis ♂ Ebbet's Pass, elev. 8900', north side, Alpine Co., CA, USA 21-VII-73
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Pontia occidentalis occidentalis ♂ Ebbet's Pass, elev. 8900', north side, Alpine Co., CA, USA 21-VII-73
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Pontia occidentalis occidentalis ♀ USA: COLORADO: Jefferson Co., Mt. Zion, 15-IV-1990
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Pontia occidentalis occidentalis ♀ USA: COLORADO: Jefferson Co., Mt. Zion, 15-IV-1990
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