Preliminary Key to the Vascular Plants of the 
Pacific Ocean Biological Survey Program Area 
Keys and Descriptions of Vascular Plants divided into 5 categories: la-If. 
Herbaceous plants with parallel leaf venation, leaves basal with no 
leafy stem apparent.la. 
Herbaceous and woody plants with other than parallel venation, leayes 
basal or more commonly borne along a stem.lb. 
Vines - commonly with leaves borne along a stem or leafless.. .lc. 
Herbaceous plants with other than parallel venation, leaves basal 
or more commonly borne along a stem, very small flowers (florets) 
compressed into a tight head or cluster...Id. 
Plant palmlikie or pinelike...le. 
Ferns (or leafless plants with three angled stems).If. 
v 
la A. Plants vith basal rosfette of leaves, flowers on spike-like inflores¬ 
cence, petals 4......... Plantaginaceae 
Plantago (l). 
AA. Plants with basal clusters of leayes, florets on spike-like inflor¬ 
escence, a grass like appearance.B. 
| 
B. Plants with round, hollow stems 
Gramineae (2-l6) 
