Vascular Plants of Henry W. Coe State Park
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Poaceae
Grass Family
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Agrostis microphylla. {+} SMALL-LEAVED BENT GRASS. Annual. Bl "May-Jul". Vernal pools.


*Agrostis viridis {+} (=Agrostis semiverticillata). WATER BENT GRASS. BENT GRASS. Perennial. Bl "May-Jun". Ditches and in moist places. Native of Europe.


*Aira caryophyllea. {+} SILVER HAIR GRASS. Annual. Bl "Apr-Jun". Open places, along roads, trails or in cleared brushland. Soda Springs Cyn, Pine Ridge (Arnold Field, Forest Tr), Middle Ridge, Kelly Lake, Coit Lake, Hunting Hollow parking area. Native of Europe.


*Avena barbata. {++} SLENDER WILD OAT. SLENDER OAT. Annual. Bl "Mar-Jun". Fields and open slopes. Pine Ridge (Live Oak Tr, Corral Tr). This sp and/or Avena fatua are abundant throughout, but I have no data distinguishing which is the more common. Native of the "Old World".


*Avena fatua. {++} WILD OAT. Annual. Bl "Apr-Jun". Fields, roadsides, etc. Native of Europe.


*Briza minor. {++} LITTLE QUAKING GRASS. SMALL QUAKING GRASS. LESSER QUAKING GRASS. Annual. Bl May-Jun. Moist areas. Pine Ridge (Live Oak Trail, Springs Trail, Arnold Field), Little Fk Coyote Ck below Frog Lake, Middle Fk Coyote Ck on Thomas Addition, E Fk Coyote Ck downstream from Arnold Cabin, Hunting Hollow. Native of Europe.


Bromus carinatus {+} (=Bromus breviaristatus). CALIFORNIA BROME. CALIFORNIA BROME GRASS. Perennial. Bl "Apr-Aug". Dry open places.  Coe HQ.


*Bromus diandrus. {+} RIPGUT GRASS. RIPGUT BROME. Annual. Bl "Apr-Jun". Fields, disturbed areas, etc. Native of Europe.


*Bromus hordeaceus {++} (=Bromus molliformis. Bromus mollis. Bromus racemosus). SOFT CHESS. Annual. Bl "Apr-Jul". In fields and disturbed areas. Arnold Field, S Fk Orestimba Ck in serpentine, Orestimba Corral, Kaiser-Aetna Rd S of Dowdy Ranch. Native of Europe.


*Bromus japonicus {+} (=Bromus commutatus). HAIRY CHESS. MEADOW BROME. Annual. Bl "May-Jul". Fields and disturbed areas, meadows, moist slopes, etc. Native of Eurasia.


Bromus laevipes. {+} WOODLAND BROME. CHINOOK BROME. Perennial. Bl "May-Aug". Shaded stream banks and brushy slopes. Rd to Poverty Flat from Pine Ridge.


*Bromus madritensis ssp. madritensis. {+} MADRID BROME. SPANISH BROME GRASS. COMPACT BROME. Annual. Bl "Apr-Jun". Open ground, thin or rocky soils of brushy areas, disturbed areas. Native of Europe.


*Bromus madritensis ssp. rubens {+} (=Bromus rubens). FOXTAIL CHESS. RED BROME. Annual. Bl "Mar-Jun". Disturbed areas. Arnold Field. Native of Europe.


*Bromus tectorum. {+} CHEAT GRASS. DOWNY CHESS. DOWNY BROME. DOWNY BROME GRASS. DROOPING BROME. DOWNY CHEAT. Annual. Bl "May-Jun". Poor or sandy soils. Native of Eurasia.


*Crypsis schoenoides {?} (=Heleochloa schoenoides) SWAMPGRASS. Annual. Bl Jul-Sep. Moist areas near creeks and ponds. Coyote Ck at mouth of Big Cyn, E Fk Coyote Ck, Kelly Cabin Cyn, Kelly Lake, Hoover Lake, Kingbird Pond, Raven Pond. Native of southern Europe.


*Cynodon dactylon. {++} BERMUDA GRASS. Perennial. Bl Jun-Sep. Roadsides, moist areas near creeks & ponds. E Fk Coyote Ck, Kelly Lake, Red Ck, Paradise Lake, S Fk Orestimba Ck, Kaiser-Aetna Rd. Native of Africa.


*Cynosurus echinatus. {++} ROUGH DOG'S-TAIL. HEDGEHOG DOGTAIL. Annual. Bl May-Jun & possibly longer. Fields, disturbed areas, etc. Pine Ridge, Blue Ridge. Native of Europe.


Deschampsia danthonioides. {+} ANNUAL HAIR GRASS. Annual. Bl "Mar-Aug". Moist places.


Distichlis spicata. {++} SALT GRASS. Perennial. Bl "Apr-Sep". ± alkaline soils, near creeks & reservoirs. Paradise Lake, S Fk Orestimba Ck, N Fk Pacheco Ck N of Dowdy Ranch, Hunting Hollow.


*Echinochloa crus-galli. {??} BARNYARD GRASS. Annual. Bl "Jul-Oct". Damp ground. By spring at S end of Kaiser-Aetna Rd near Bell Station. Native of Eurasia & Africa.


Elymus glaucus. {++} WESTERN RYE GRASS. BLUE WILD RYE. Perennial. Bl May & possibly longer. Grassy and wooded places. Pine Ridge, Middle Ridge, Blue Ridge, Mahoney Ridge, Willow Ridge, Mississippi Ck, near confluence of S Fk Orestimba & Red cks, westernmost fk of Coon Ck.


Elymus multisetus {+} (=Sitanion jubatum). BIG SQUIRRELTAIL. Perennial. Bl "May-Jul". Rocky or brushy slopes and disturbed areas. Pine Ridge.


*Festuca arundinacea. {+} REED FESCUE. ALTA FESCUE. TALL FESCUE. Perennial. Bl "May-Jun". Moist soils, along roads, disturbed areas. Native of Eurasia.


Festuca californica. {++} CALIFORNIA FESCUE. Perennial. Bl Apr-May. Border of woods, shaded places. Pine Ridge (Flat Frog Tr), Middle Ridge, slopes between Upper Camp & Skeels' Meadow.


Festuca elmeri. {+} ELMER'S FESCUE. Perennial. Bl "May-Jun". Wooded slopes. Pine Ridge.


*Gastridium ventricosum. {++} NIT GRASS. Annual. Bl "May-Sep". Dry open ground and disturbed areas. Hunting Hollow, many other areas.  Native of Europe.


*Holcus lanatus. {?} VELVET GRASS. YORKSHIRE FOG. Perennial. Bl "Jun-Aug". Meadows and fields. Native of Europe.


Hordeum brachyantherum ssp. brachyantherum. {+} MEADOW BARLEY. Perennial. Bl "May-Aug". Moist places.


Hordeum brachyantherum ssp. californicum {+} (=Hordeum californicum). CALIFORNIA BARLEY. Perennial. Bl "Apr-Aug". Grassy and brushy places. S Fk Orestimba Ck in serpentine soil.


Hordeum depressum. {+} LOW BARLEY. ALKALI BARLEY. Annual. Bl "Apr-May". Moist, ± alkaline places.


*Hordeum marinum ssp. gussoneanum {++} (=Hordeum geniculatum. Hordeum hystrix). MEDITERRANEAN BARLEY. Annual. Bl "Apr-Jun". Alkaline or disturbed areas. Native of Europe.


*Hordeum murinum ssp. leporinum {++} (=Hordeum leporinum). FARMER'S FOXTAIL. HARE BARLEY. BARNYARD FOXTAIL. Annual. Bl Mar-Apr. Disturbed areas, fields, roadsides. Arnold Field, Mississippi Ridge, S Fk Orestimba Ck, Mustang Flat. Native of Europe.


Koeleria macrantha {++} (=Koeleria cristata). JUNE GRASS. CRESTED HAIR GRASS. KOELER'S GRASS. Perennial. Bl "May-Jul". Dryish open places.


*Lamarckia aurea. {++} GOLDENTOP. Annual. Bl Apr-May & probably longer. Along roads & trails. Pine Ridge (Corral Tr), Divide Ridge, Rock House Ridge, Mahoney Meadows, rd up Bear Mtn from E Fk, Red Ck, S Fk Orestimba Ck, Kaiser-Aetna Rd S of Dowdy Ranch, on ridge S & Se of Center Flats. Native of the Mediterranean region.


*Lolium perenne. {+} PERENNIAL RYEGRASS. ENGLISH RYEGRASS. Perennial. Bl "May-Sep". Moist soils, as in meadows, pastures, roadside ditches, etc. Native of Europe.


*Lolium perenne ssp. multiflorum {++} (=Lolium multiflorum). ITALIAN RYEGRASS. AUSTRALIAN RYEGRASS. Annual or biennial. Bl Apr-May & probably longer. Lawns, pastures, roadsides, etc. Pine Ridge (Arnold Field), Kaiser-Aetna Rd. Native of Europe.


Melica californica. {+} WESTERN MELICA. CALIFORNIA MELIC. Perennial. Bl "Apr-May". Open hillsides, woodlands.


Melica imperfecta. {+} SMALL-FLOWERED MELICA. CALIFORNIA MELIC. COAST RANGE MELIC. Perennial. Bl "Apr-May". Dry open, often rocky slopes.


Melica torreyana. {+} TORREY MELIC. TORREY'S MELICA. Perennial. Bl "Mar-Jun". Shady woods, thickets.


Nasella cernua {+} (=Stipa cernua). NODDING STIPA. NODDING NEEDLEGRASS. Perennial. Bl "Apr-May". Dry slopes.


Nasella lepida {+} (=Stipa lepida). SMALL-FLOWERED STIPA. FOOTHILL NEEDLEGRASS. FOOTHILL STIPA. Perennial. Bl "Mar-May". Dry slopes.


Nasella pulchra {+} (=Stipa pulchra). NODDING STIPA. PURPLE NEEDLEGRASS. PURPLE STIPA. Perennial. Bl "Mar-May". Dry slopes.


*Paspalum dilatatum. {+} DALLIS GRASS. Perennial. Bl "May-Nov". Pastures, meadows, seeps, etc. S Fk Orestimba Ck E of Robinson Mtn. Native of South America.


Paspalum distichum. {+} KNOT GRASS. JOINT GRASS. Perennial. Bl "Jun-Oct". Moist or wet places. Kelly Lake, Coit Lake.


*Phalaris aquatica. {+} HARDING GRASS. Perennial. Bl "Jun-Sep". Moist places. Native of Europe.


Phalaris arundinacea. {??} REED CANARY GRASS. Perennial. Bl "May-Aug". Moist places. Near Hoover Lake.


*Phalaris minor. {+} MEDITERRANEAN CANARY GRASS. LITTLESEED CANARY GRASS. Annual. Bl "Apr-Jul". Disturbed areas. Native of the Mediterranean region.


*Phleum pratense. {?} CULTIVATED TIMOTHY. Perennial. Bl "May-Jun". Disturbed areas. Below Hoover Lake dam. Native of Eurasia.


*Piptatherum miliaceum {+} (=Oryzopsis miliacea). SMILO GRASS. MILLET MOUNTAIN-RICE. Perennial. Bl "Apr-Sep". Roadsides, creek channels, etc. Native of Eurasia.


*Poa annua. {+} ANNUAL BLUEGRASS. ANNUAL MEADOW GRASS. Annual. Bl "Jan-Jul". Gardens and lawns. Native of Europe.


*Poa bulbosa. {+} BULBOUS BLUEGRASS. Perennial. Bl "spring". Coe HQ behind ranch house, HQ campground.


Poa howellii {+} (=Poa bolanderi ssp. howellii). HOWELL BLUEGRASS. Annual. Bl "Apr-Jun". Shaded, rather openly wooded slopes.


*? Poa pratensis. {+} KENTUCKY BLUEGRASS. SMOOTH MEADOW GRASS. Perennial. Bl "May-Aug". Meadows, stream banks, open woods and open ground. Some forms introduced from Europe, but other forms apparently native to the United States.


Poa secunda ssp. secunda {+} (=Poa scabrella). PINE BLUEGRASS. MALPAIS BLUEGRASS. ONE-SIDED BLUEGRASS. Perennial. Bl "Feb-Jun". Good soils on open or protected hillsides.


*Polypogon australis {+} (=Polypogon interruptus). BEARD GRASS. DITCH POLYPOGON. CHILEAN POLYPOGON. Perennial. Bl "May-Aug". Streams and ditches, especially at the edge of water. Native of Europe.


*Polypogon monspeliensis. {+} RABBITFOOT GRASS. ANNUAL BEARD GRASS. Annual. Bl "Apr-Aug". Streams and ditches, especially at the edge of water. Coyote Ck, Middle Fk Coyote Ck, Grapevine Spring area, Coit Lake, Upper San Antonio Valley, Mississippi Lake, N Fk Pacheco Ck, Red Ck, Paradise Lake, Jackrabbit Lake. Native of Europe.


Trisetum canescens {+} (=Trisetum cernuum var. canescens). TALL TRISETUM. Perennial. Bl "May-Aug". In and about woods.


*Vulpia bromoides {++} (=Festuca bromoides. Festuca dertonensis). SIX-WEEKS FESCUE. Annual. Bl "Apr-Jun". Native of Europe.


Vulpia microstachys var. ciliata {++} (=Festuca eastwoodae. Festuca grayi. Festuca pacifica). Annual. Bl "Apr-Jun". Open places. S Fk Orestimba Ck in serpentine soil.


Vulpia microstachys var. pauciflora {+} (=Festuca reflexa). Annual. Bl "Apr-Jun". Dryish open places.


*Vulpia myuros var. myuros {+} (=Festuca myuros). RATTAIL FESCUE. Annual. Bl "Mar-May". Native of Europe.


*Vulpia myuros var. hirsuta {+} (=Festuca megalura). FOXTAIL FESCUE. WESTERN SIX-WEEKS FESCUE. Annual. Bl "Apr-Jun". Dry open places. Arnold Field. Native of Europe.