1	"Ultimate 2 orders of shoots or branches in 1 plane; large shrub; resin copious, sticky when fresh"	"Hesperocyparis macnabiana"
1	"Ultimate 2 orders of shoots or branches in 3-dimensions; generally tree (except generally <i>Hesperocyparis forbesii</i>); resin not copious, not sticky"	2
2	"Leaf glands or pits on ultimate branches, resin on leaf glands 0 or not"	3
2	"Leaf glands or pits +- 0 on ultimate branches, resin on leaf glands 0 (except <i>Hesperocyparis sargentii</i> in Santa Barbara Co.)"	6
3	"Resin +- 0 on leaf glands on ultimate branches; PR"	4
3	"Resin generally on leaf glands on ultimate branches; n of SW"	5
4	"Multi-trunked shrub to small tree; leaf not glaucous, foliage not gray-green"	"Hesperocyparis forbesii"
4	"Single-trunked tree; leaf glaucous, foliage gray-green"	"Hesperocyparis stephensonii"
5	"Ultimate branches < 1 mm diam; seed cones generally < 20 mm diam; KR, CaRH, n SNH, MP"	"Hesperocyparis bakeri"
5	"Ultimate branches > 1 mm diam; seed cones generally > 20 mm diam; s SN"	"Hesperocyparis nevadensis"
6	"Crown asymmetric, often open, flat-topped to widely conic in age; seed cones 20--32(38) mm; outside native range widely planted, naturalized"	"Hesperocyparis macrocarpa"
6	"Crown symmetric, often dense, generally pyramidal in age; seed cones (10)12--27(35) mm; outside native range not widely planted, not naturalized"	7
7	"Foliage dull, dusty to gray-green, glaucous or not; on serpentine; NCoR, SnFrB, SCoR"	"Hesperocyparis sargentii"
7	"Foliage bright to dark green, not glaucous; not on serpentine; NCo, CCo, SnFrB"	8
8	"Plant 1--2 m on sterile soil, 10--20(50) m on rich soil; foliage dark dull green; seed not glaucous; s NCo (Mendocino, Sonoma cos.)"	"Hesperocyparis pygmaea"
8	"Plant 6--10(15) m; foliage yellow-green or light bright to deep green; seed glaucous or not; CCo, SnFrB"	9
9	"Plant 5--7 m; seed cones (10)14--20 mm; ultimate branches 0.8--1.1 mm diam; CCo (Monterey Peninsula)"	"Hesperocyparis goveniana"
9	"Plant 6--10(15) m; seed cones 16--30(35) mm; ultimate branches 0.9--1.2 mm diam; SnFrB (Santa Cruz Mtns)"	10
10	"Seed cones (14)16--25 mm, 14--22 mm diam; Santa Cruz Co."	"Hesperocyparis abramsiana var. abramsiana"
10	"Seed cones 22--32(35) mm, 22--31 mm diam; San Mateo Co."	"Hesperocyparis abramsiana var. butanoensis"