Standard/regional:

oddish -> gloom -> vileplume: bellsprout -> weepinbell -> victreebel: chikorita -> bayleef -> meganium: hoppip -> skiploom -> jumpluff: sprigatito -> floragato -> meowscarada: flabebe -> floette -> florges: flabebe_yellow -> floette_yellow -> florges_yellow: flabebe_orange -> floette_orange -> florges_orange: flabebe_blue -> floette_blue -> florges_blue: flabebe_white -> floette_white -> florges_white: gossifleur (regional) -> eldegoss (regional): bulbasaur -> ivysaur -> venusaur: cutiefly (regional) -> ribombee (regional): cherubi (regional) -> cherrim (regional) -> cherrim_sunlight (regional):

Add picks:

Uncommon: petilil -> liligant:

Rare: sunkern -> sunflora: lileep -> cradily: deerling_spring -> sawsbuck_spring: fomantis -> lurantis: glimmet -> glimmora:

Epic: exeggcute -> exeggutor -> alolan_exeggutor (regional): combee -> vespiqueen: bonsley -> sudowoodo:

Uniques:

carnivine:

maractus:

comfey:

Legendaries:

celebi:

shaymin:

xerneas:

ogerpon_teal (regional):

ogerpon_teal_mask (regional):