Naming
*Eastern Tailed-blue has small 'tails' on hindwings⤷ Western Tailed-blue has small 'tails' on hindwings
⤷ Arrowhead Blue
⤷ Greenish Blue has two rows of small black spots on the underside of both wings
⤷ Boisduval's Blue has two rows of small black spots on the underside of both wings*''G. l. afra'' – Afra Blue
⤷ ''G. l. arizonensis'' McDunnough, 1934 – Arizona Silver Blue
⤷ ''G. l. australis'' – Southern Blue
⤷ ''G. l. columbia'' – Columbia Blue or Skinner's Blue
⤷ ''G. l. couperi'' Grote, 1873 – Couper's Silvery Blue
⤷ ''G. l. deserticola'' – Mojave Silvery Blue
⤷ ''G. l. incognitus'' Tilden, 1974 – Behr's Silvery Blue
⤷ ''G. l. jacki'' Stallings & Turner, 1947 – Jack's Blue
⤷ ''G. l. lygdamus'' – Silvery Blue
⤷ ''G. l. mildredae'' F. Chermock, 1944 – Mildred's Silvery Blue
⤷ ''G. l. minipunctum'' – Mini-spotted Silvery Blue
⤷ ''G. l. nittanyensis'' – Appalachian Silvery Blue
⤷ ''G. l. oro'' Scudder, 1876 – Oro Blue
⤷ ''G. l. palosverdesensis'' – Palos Verdes Blue
⤷ ''G. l. pseudoxerces'' – False Xerces Blue
⤷ ''G. l. sabulosa'' – Sand Dune Silvery Blue
⤷ †''G. l. xerces'' – Xerces Blue
References:
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