genera
Berry
sessile
not forcefully ejected
stipitate
forcefully ejected
Leaves
not connate, usually typical with blade (except in P. juniperinum var. libocedri)
connate, always scale-like
Branches
(stems)variable
usually not jointed
not round
decussate to flabellate
usually jointed
round 
hosts
hardwoods, Juniperinus, but can hit all conifers, cypress, Calocedrus
mostly other conifers, pines, hemlock, firs, Douglas fir.
aerial portion
lasts 8-10 years, non-systemic except for P. juniperinum var. calocedri
lasts 2-6 years, if systemic, can last up to 60 years.
parasite
not devastating usually just a wa ter parasite; host used for anchorage
extremely devastating
viscin cells
absent
present
endosperm
?
green cells
radicle
?
with stomates
phloem
?
lacks sieve tube elements
stem
with vascular cylinder
without vascular cylinder