Weight	Base Power
Under 10kg Under 22lbs	20
10.1kg - 25kg 22.1lbs - 55lbs	40
25.1kg - 50kg 55.1lbs - 110lbs	60
50.1kg - 100kg 110.1lbs - 220lbs	80
100.1kg - 200kg 220.1lbs - 440lbs	100
Over 200kg Over 440lbs	120

Below are the Pokémon that get 20 power damage with Grass Knot/Low Kick used against them

No.	Pic	Name	Type 1	Type 2
#001		Bulbasaur
#004		Charmander
#007		Squirtle
#010		Caterpie
#011		Metapod
#013		Weedle
#014		Kakuna
#016		Pidgey
#019		Rattata
#021		Spearow
#023		Ekans
#025		Pikachu
#029		Nidoran (F)
#032		Nidoran (M)
#035		Clefairy
#037		Vulpix
#039		Jigglypuff
#041		Zubat
#043		Oddish
#044		Gloom
#046		Paras
#050		Diglett
#052		Meowth
#069		Bellsprout
#070		Weepinbell
#081		Magnemite
#090		Shellder
#092		Gastly
#093		Haunter
#098		Krabby
#102		Exeggcute
#104		Cubone
#109		Koffing
#110		Weezing
#114		Tangela
#116		Horsea
#129		Magikarp
#132		Ditto
#133		Eevee
#138		Omanyte
#147		Dratini
#151		Mew
#152		Chikorita
#155		Cyndaquil
#158		Totodile
#161		Sentret
#167		Spinarak
#172		Pichu
#173		Cleffa
#174		Igglybuff
#175		Togepi
#176		Togetic
#177		Natu
#179		Mareep
#182		Bellossom
#183		Marill
#187		Hoppip
#188		Skiploom
#189		Jumpluff
#191		Sunkern
#192		Sunflora
#194		Wooper
#198		Murkrow
#200		Misdreavus
#201		Unown
#204		Pineco
#206		Dunsparce
#209		Snubbull
#211		Qwilfish
#216		Teddiursa
#220		Swinub
#222		Corsola
#236		Tyrogue
#238		Smoochum
#251		Celebi
#252		Treecko
#255		Torchic
#258		Mudkip
#265		Wurmple
#266		Silcoon
#270		Lotad
#273		Seedot
#276		Taillow
#278		Wingull
#280		Ralts
#283		Surskit
#284		Masquerain
#285		Shroomish
#290		Nincada
#292		Shedinja
#298		Azurill
#311		Plusle
#312		Minun
#315		Roselia
#327		Spinda
#333		Swablu
#339		Barboach
#349		Feebas
#351		Castform
#353		Shuppet
#358		Chimecho
#370		Luvdisc
#385		Jirachi
#390		Chimchar
#393		Piplup
#396		Starly
#401		Kricketot
#403		Shinx
#406		Budew
#412		Burmy
#413		Wormadam
#415		Combee
#417		Pachirisu
#420		Cherubi
#421		Cherrim
#422		Shellos
#425		Drifloon
#427		Buneary
#429		Mismagius
#431		Glameow
#433		Chingling
#441		Chatot
#456		Finneon
#479		Rotom
#480		Uxie
#481		Mesprit
#482		Azelf
#489		Phione
#490		Manaphy
#492		Shaymin