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Looks more like a hickory <i>Carya</i> sp., as the nut husk is sectioned (the faint brown lines). Best fit is Mockernut Hickory <i>Carya tomentosa</i>.
Cone shape is wrong for P. radiata
Not sure what, but definitely not a willow.
Hybrid between European Larch and Japanese Larch
Loblolly Pine Pinus taeda
(Slash Pine = Pinus elliottii)
Probably mostly Lodgepole Pine (Pinus contorta), but not enough detail visible to be certain
Introduced (and occasionally invasive), not native, in California