Trees:
AlderS
AlderM
AlderTallM
AlmondS
AppleS
AppleM
ApricotS
AshS
AshL
AspenS
AspenM
BeechS
BeechM
BeechL
BirchS
BirchM
Buddleja
CitrusS
CherryS
ChestnutS
ChestnutL
CottonwoodS
CottonwoodM
CottonwoodL
CypressS
EvergreenS
HawthornS
HawthornM
HawthornL
LarchS
LarchM
LemonS
LilacM
MulberryS
OakS
OakM
OakL
OliveS
OrangeS
PeachS
PeachM
PecanS
PecanM
PineS
PlumS
PlumM
PoplarM
RedwoodM
ThinRedwoodM
MixedRedwoodM
RedwoodS
SoldierPineS
WillowS
WillowM
WillowL

BCitrusS
BDatePalmM
BIronwoodS
BOliveS
BWeirwoodS
BWeirwoodM
BWeirwoodL

CarcTallPineL
CarcTallPineM
CarcTallPine (Combo of L and M)

Mixed:
BroadleafL (WillowL/ChestnutL/OakL) [general use]
BroadleafXL (WillowXL/ChestnutXL/OakXL) [for use in deep forest]

Leafless/Dead Trees:
DeadEvergreenS
LOakS
LOakM
LOakL
LSpruceS
LSpruceM
LSpruceL
LJungleS
LJungleM
LJungleL

Snowy Trees:
SnowyLeafless
SnowyPineM
SnowyPineL
SnowySoldierL
SnowySpruceL

Bushes:
AlderBush
BirchBushS
BirchBushL
OakBushS
OakBushL
JungleBushLow
JungleBushTall
OakBushTall
OakBushLow
BirchBushTall
BirchBushLow

CarcBushS (Doesn't work well on slopes)

Rocks:
GenRockS

Misc:
GroundCoverS (Mixture of rocks, fallen/mossy oak logs, stumps, etc. for forest floors)