326 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



VIII Annotated List of the Vascular 

 Plants of Santa Barbara Island 



POLYPODIACEAE 

 Polypodium californicum Kaulf. var. Kaulfusii D.C. Eat. California Polypody. 



Perennial geophyte. One colony on north exposure of Cave Canyon. Also 



on Anacapa and Santa Catalina islands; mainland coast to Marin County. 



Endemic to areas of California maritime climate. 

 NAIADACEAE 

 Phyllospadix Torreyi Wats. Surf Grass. 



Marine perennial. In rock channels below low tide level. On all the islands, 



including Guadalupe; Indigenous. 



GRAMINEAE 

 Stipa fulchra Hitchc. Beautiful Needle Grass. 



Suffrutescent perennial. Occasional in low scrub savanna. On all the islands; 



Baja California to Central California. Indigenous. 

 Muhlenhergia microsperma (DC) Kunth. Dropseed Grass. 



Annual. Southern exposures generally. Also on Santa Cruz, Anacapa, Santa 



Catalina, San Clemente, and Guadalupe islands; adjacent mainland and 



Mexico. Indigenous. 

 Polypogon monspeliensis (L.) Desf. Rabbitfoot Grass 



Annual. One plant in splash zone of Landing Cove. Also on San Miguel, 



Santa Rosa, Santa Cruz, San Nicolas, Santa Catalina, and Guadalupe 



islands; mainland. Introduced from Europe. 

 Avena fatua L. Wild Oat. 



Annual. Dominant in several small areas on eastern terrace. On all the 



islands, including Guadalupe; mainland. Introduced from Europe. 

 Melica imperfecta Trin. Small-flowered Melica. 



Perennial. Infrequent in shaded canyon bottoms. On all the islands; Baja 



California to central California. Indigenous. 

 Lamarckia aurea (L.) Moench. _ ^ _ Golden-top. 



Annual. Forming small colonies in openings of Coreopsis association. On 



all the islands, including Prince Island off San Miguel; mainland. Intro- 

 duced from the Mediterranean region. 

 Bromus marginaius Nees. Margined Brome Grass. 



Perennial. Infrequent in canyons. Also on the four northern islands; San 



Diego County to British Columbia. Indigenous. 

 Bromus rigidus Roth. Ripgut Grass. 



Annual. Infrequent in canyons. Also en San Miguel, Santa Rosa, and Santa 



Catalina islands; mainland. Introduced from Europe. 

 Bromus ruhens L. Red Brome Grass. 



Annual. Locally common in canyons. Also on Santa Rosa, Santa Cruz, 



Anacapa, and Santa Catalina islands; mainland. Introduced from Europe. 

 Bromus 'vulgaris (Hook.) Shear. Narrow-flowered Brome Grass. 



Perennial. Infrequent in canyons. Also on San Miguel, Santa Cruz, and 



Santa Catalina; mainland north in mountains to British Columbia and 



Montana. Indigenous. 

 Bromus sterilia L. Barren Brome Grass. 



Annual. Infrequent in canyons. Also on Guadalupe Island; northern Cali- 

 fornia. Introduced from the Mediterranean region. 

 Hordeum murinum L. Common Foxtail. 



Annual. Dominant on terraces and the central ridge. On all the islands; 



mainland. Introduced from Europe. 



LILIACEAE 

 Brodiaea capitata Benth. Wild Hyacinth. 



Geophyte. Widespread on the terraces. On all the islands; mainland to 



Oregon. Indigenous. 



