Search Results — 78 specimen records retrieved (76 records with coordinates)
Results for search: County=CONTRA COSTA; Source=All; Collector=Ball;   
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC21621  Sanicula bipinnatifida Willis Ball 1975-3-25 502 Contra Costa Contra Loma Regional Park. In area #3. At peak of larg hill inarea #3 ca. 120 yds sw of the Dam. 60 Comment
  CHSC21630  Sanicula bipinnata Willis Ball 1975-3-9 495 Contra Costa Contra Loma Regional Park. In area #8. At the peak of a large hill ca. 560 yds s of main parking lot ca. 800 yds w of Contra Loma Blvd. 152 Comment
  CHSC23359  Asclepias fascicularis Willis Ball 1975-6-1 533 Contra Costa Contra Loma Regional Park. In area #1 ca. 75 yds sw of main restroom facility at s end of reservoir. 45 Comment
  CHSC23337  Achillea millefolium Willis Ball 1975-2-23 447 Contra Costa Contra Loma Regional Park. In area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  CHSC23362  Achillea millefolium Willis Ball 1975-4-19 520 Contra Costa Contra Loma Regional Park. In area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  CHSC23339  Achyrachaena mollis Willis Ball 1974-4-21 426 Contra Costa Contra Loma Regional Park. In area #1. On the n side of road leading to main parking lot ca. 50 yds e of parking lot. 2 yds off road. 38 Comment
  CHSC23340  Baccharis salicifolia Willis Ball 1975-3-2 460 Contra Costa Contra Loma Regional Park. In area #4. On beach on E side of lake ca. 175 yds S of dam. 30 Comment
  CHSC23341  Baccharis salicifolia Willis Ball 1975-3-26 514 Contra Costa Contra Loma Regional Park. In area #2. On W side of lake ca. 30 yds. N of boat ramp on W side of lake. 30 Comment
  CHSC23338  Balsamorhiza deltoidea Willis Ball 1975-3-26 511 Contra Costa Contra Loma Regional Park. In area #8. On N facing slope near top of hill ca. 500 yds S of main parking lot ca. 760 yds W of Contra Loma Blvd. 146 Comment
  CHSC23354  Bellis perennis Willis Ball 1975-2-23 441 Contra Costa Contra Loma Regional Park. In area #1. Ca. 40 yds W of restroom facility on the S end of the lake. 30 Comment
  CHSC23347  Blennosperma nanum Willis Ball 1975-3-2 470 Contra Costa Contra Loma Regional Park. In area #1. On small hill ca. 10 yds N of N end of main parking lot at S end of lake. 36 Comment
  CHSC23349  Centaurea solstitialis Willis Ball 1975-5-20 530 Contra Costa Contra Loma Regional Park. In area #10 ca. 300 yds e of dam. 33 Comment
  CHSC23342  Cotula coronopifolia Willis Ball 1975-3-26 508 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds. e of restroom facilities. 30 Comment
  CHSC23361  Lasthenia californica Willis Ball 1975-4-19 523 Contra Costa Contra Loma Regional Park. In area #1. Ca. 150 yds sw of main parking lot at the s end of the lake. 38 Comment
  CHSC23345  Layia chrysanthemoides Willis Ball 1975-3-22 497 Contra Costa In area #5. Field ca. 200 yds due e of main boat ramp. 36 Comment
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May 24 2013
  CHSC23343  Matricaria discoidea Willis Ball 1975-3-26 507 Contra Costa Contra Loma Regional Park. In area #1. All around the restroom facilities at s end of lake. 30 Comment
  CHSC23335  Monolopia major Willis Ball 1975-3-2 474 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds ne of single restroom at sw end of lake. Approximately half way up the hill. 53 Comment
  CHSC23334  Senecio vulgaris Willis Ball 1975-2-23 435 Contra Costa Contra Loma Regional Park. In area #1. Ca. 25 yds e of restroom facilities at s end of lake. 30 Comment
  CHSC23344  Sonchus oleraceus Willis Ball 1975-3-2 468 Contra Costa Contra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake. 32 Comment
  CHSC23356  Amsinckia intermedia Willis Ball 1975-2-23 448 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds. ne of single restroom at sw end of reservoir, approximately 1/4 way up large hill. 38 Comment
  CHSC23358  Amsinckia intermedia Willis Ball 1975-3-2 475 Contra Costa Contra Loma Regional Park. In area #5. On w side of largest hill ca. 100 yds ne of main boat ramp at the s end of the reservoir. 45 Comment
  CHSC21610  Phacelia ciliata Willis Ball 1975-2-23 450 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 40 yds w of boat ramp at w side of lake. 60 Comment
  CHSC21625  Phacelia tanacetifolia Willis Ball 1975-3-26 513 Contra Costa Contra Loma Regional Park. In area #3. Beside trail immediately 25 yds sw of dam. 33 Comment
  CHSC21613  Capsella bursa-pastoris Willis Ball 1975-2-23 438 Contra Costa Contra Loma Regional Park. In area #1. Ca. 10 yds e of restroom facility on n side of lake. 30 Comment
  CHSC57361  Caulanthus lasiophyllus Willis Ball 1975-3-2 451 Contra Costa Contra Loma Regional Park, in are #2. On s side of hill ca. 400 yds w of boat ramp at w side of lake. 60 Comment
  CHSC21607  Lepidium nitidum Willis Ball 1975-2-23 446 Contra Costa Contra Loma Regional Park. In area #2. Ca. 160 yds w of main parking lot. 30 Comment
  CHSC21619  Sinapis arvensis Willis Ball 1974-4-21 427 Contra Costa Contra Loma Regional Park. In island in center of main parking lot at s end of lake. 36 Comment
  CHSC23876  Sinapis arvensis Willis Ball 1975-2-23 445 Contra Costa Contra Loma Regional Park. In area #1. Ca. 10 yds s of lake ca. 50 yds. w of restroom facilities at s end of lake. 33 Comment
  CHSC57360  Streptanthus Willis Ball 1975-3-26 519 Contra Costa Contra Loma Regional Park, in area #3. On hill ca. 100 yds. nw of the dam. 45 Comment
  CHSC21609  Stellaria media Willis Ball 1975-2-23 443 Contra Costa Contra Loma Regional Park. In area #1. Ca. 150 yds w of main parking lot. 30 Comment
  CHSC23348  Chenopodium album Willis Ball 1975-6-1 532 Contra Costa Contra Loma Regional Park. In area #11. On n side of road ca. 200 yds e of main entrance to park. 60 Comment
  CHSC23350  Convolvulus arvensis Willis Ball 1975-5-20 529 Contra Costa Contra Loma Regional Park. In area #1. At e end of island in center of main parking lot at s end of reservoir. 36 Comment
  CHSC21629  Crassula connata Willis Ball 1975-4-19 521 Contra Costa In area #8 ca. 450 yds s of main parking lot ca. 750 yds w of Conta Loma Blvd. Contra Costa Regional Park. 76 Comment
  CHSC21640  Marah fabacea Willis Ball 1975-3-2 466 Contra Costa In area #4. On hill top ca. 50 yds e of large willow trees at ne end of lake. Contra Loma Regional Park. 53 Comment
  CHSC23346  Croton setiger Willis Ball 1975-6-1 531 Contra Costa Contra Loma Regional Park. In area #7 on w side of road ca. 10 yds n of main entrance to park. 60 Comment
  CHSC21618  Lupinus bicolor Willis Ball 1974-4-21 428 Contra Costa Contra Loma Regional Park. In area #1. On n side of road leading to main parking lot ca. 150 yds e of lot. One yd. n of road. 38 Comment
  CHSC21637  Lupinus albifrons Willis Ball 1975-3-9 486 Contra Costa In area #8. On n facing slope of large hill ca. 510 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 124 Comment
  CHSC21642  Lupinus succulentus Willis Ball 1975-3-2 464 Contra Costa Contra Loma Regional Park. In area #4. At edge of beach on e side of lake ca. 50 yds s of dam. 33 Comment
  CHSC21646  Medicago polymorpha Willis Ball 1975-3-2 476 Contra Costa Contra Loma Regional Park. In area #4. On e side of lake ca. 100 yds s of dam. 30 Comment
  CHSC21641  Melilotus indicus Willis Ball 1975-3-2 465 Contra Costa Contra Loma Regional Park. In area #4. In sand on beach on e side of lake 70 yds s of dam. 30 Comment
  CHSC21627  Trifolium willdenovii Willis Ball 1975-3-9 485 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope on small level mound ca. 450 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 76 Comment
  CHSC23357  Trifolium variegatum var. major Willis Ball 1975-3-26 515 Contra Costa Contra Loma Regional Park. In area #3. On n facing slope of large hill in area #3. Ca. 60 yds due nw of dam. Comment
  CHSC23353  Vicia villosa subsp. varia Willis Ball 1975-4-19 526 Contra Costa In area #3 ca. 75 yds nw of dam. On n facing slope. 60 Comment
  CHSC23360  Frankenia salina Willis Ball 1975-6-1 534 Contra Costa Contra Loma Regional Park. In area #11. On s side of road ca. 200 yds e of main entrance to park. 60 Comment
  CHSC21643  Erodium moschatum Willis Ball 1975-3-2 463 Contra Costa Contra Loma Regional Park. In area #1. In island in middle of main parking lot on s side of lake. 38 Comment
  CHSC25033  Geranium carolinianum Willis Ball 1975-3-26 512 Contra Costa Contra Loma Regional Park. In area #8. At the base of a large hill ca. 200 yds s of main parking lot at s end of lake. 60 Comment
  CHSC33984  Malva nicaeensis Willis Ball 1975-4-19 525 Contra Costa Contra Loma Regional Park. In area #1 ca. 40 yds sw of restroom facility at s end of reservoir. In picnic area. 36 Comment
  CHSC23336  Calandrinia ciliata var. menziesii Willis Ball 1975-3-2 473 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds ne of single restroom at sw end of lake. Approximately half way up large hill. 53 Comment
  CHSC21635  Claytonia perfoliata subsp. perfoliata Willis Ball 1975-3-9 488 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope ca. 550 yds sw of main parking lot ca. 780 yds w of Contra Loma Blvd. 137 Comment
  CAS-BOT-BC440072  Claytonia perfoliata subsp. perfoliata Willis Ball 1975-2-23 444 Contra Costa Contra Loma Regional Park. In area #1. In flat area ca. 150 yds w of main parking lot. 30 Comment
  CHSC21620  Castilleja exserta Willis Ball 1974-4-21 425 Contra Costa In area #7. Immediately to the w side of Contra Loma Blvd. ca. 400 yds s of the main boat ramp. Contra Loma Regional Park. 45 Comment
  CHSC21622  Triphysaria eriantha Willis Ball 1975-3-15 496 Contra Costa Contra Loma Regional Park. In area #10. In flat area 200 yds ne of dam. 36 Comment
  CHSC21636  Collinsia sparsiflora Willis Ball 1975-3-9 487 Contra Costa In area #8. Ca. 500 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. Contra Loma Regional Park. 121 Comment
  CHSC21614  Plantago major Willis Ball 1975-2-23 434 Contra Costa Contra Loma Regional Park. Small population in area #1 spread out in picnic area ca. 100 yds s of lake. 10 yds n of w end of parking lot. 45 Comment
  CHSC21626  Veronica serpyllifolia subsp. serpyllifolia Willis Ball 1975-3-26 510 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds e of restroom facilities. 30 Comment
  CHSC21639  Avena fatua Willis Ball 1975-3-9 478 Contra Costa Contral Loma Regional Park. In area #8. Ca. 600 yds. sw of main parking lit ca. 800 yds. w of Contra Loma Blvd. 152 Comment
  CHSC21645  Avena fatua Willis Ball 1975-3-2 469 Contra Costa Contral Loma Regional Park. In area #2. On s side of hill ca. 55 myds. ne of single restroom at sw end of lake. 39 Comment
  CHSC21617  Bromus hordeaceus Willis Ball 1974-4-21 429 Contra Costa Contra Loma Regional Park. In area #6. On e side of Contra Loma Blvd. ca. 300 yds. s of main boat ramp at s end of lake. One yd. off road. 45 Comment
  CHSC21623  Bromus catharticus Willis Ball 1975-3-25 503 Contra Costa Contra Loma Regional Park. In area #1. Under olive trees in picnic area ca. 50 yds w of main parking lot ca. 50 yds s of the lake. 36 Comment
  CHSC21638  Bromus madritensis subsp. rubens Willis Ball 1975-3-9 479 Contra Costa Contra Loma Regional Park. In area #8. On top of hill ca. 600 yds. sw of main parking lot ca. 800 yds. w of Contra Loma Blvd. 152 Comment
  CHSC21647  Bromus diandrus Willis Ball 1975-3-2 477 Contra Costa Contra Loma Regional Park. In area #4. On e side of lake ca. 175 yds s of dam. 30 Comment
  CHSC23352  Cynodon dactylon Willis Ball 1975-5-15 527 Contra Costa Contra Loma Regional Park. In area #1 ca. 3 yds w of restroom facility at s end of reservoir. In lawn by beach area. 30 Comment
  CHSC21616  Hordeum murinum subsp. leporinum Willis Ball 1974-4-21 430 Contra Costa Contra Loma Regional Park. In area #1. Immediately to the s side of the main parking lot at the s end of the lake. 38 Comment
  SEINET10595762  Hordeum murinum Ball 1975-3-2 BALL 456 Contra Costa In area #4. On beach ca. 30 yds. S of dam on E side of lake. Accompanying species include Bromus rigidus, etc. Soil sandy clay. 32 Comment
  CHSC21628  Lolium multiflorum Willis Ball 1975-4-19 524 Contra Costa Contra Loma Regional Park. In area #1. Immediately to the s side of the main parking lot at the s end of the lake. 33 Comment
  CHSC21644  Poa annua Willis Ball 1975-3-2 471 Contra Costa Contra Loma Regional Park. In area #1. At w end of main parking lot at s end of lake. 36 Comment
  CHSC25045  Poa secunda subsp. secunda Willis Ball 1975-3-9 480 Contra Costa In area #8. On slope of a hill ca. 510 yds. w of Contra Loma Blvd. 124 Comment
  CHSC21608  Vulpia myuros var. myuros Willis Ball 1975-3-2 453 Contra Costa Contra Loma Regional Park. In area #4. Ca. 50 yds. s of dam on the e side of the lake. 30 Comment
  CHSC21634  Gilia tricolor Willis Ball 1975-3-9 489 Contra Costa Contra Loma Regional Park. In area #8. Level mound ca. 450 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 76 Comment
  CHSC23355  Polygonum aviculare Willis Ball 1975-3-2 462 Contra Costa Contra Loma Regional Park. In area #4. In sand on beach e side of lake ca. 75 yds s of dam. 30 Comment
  CHSC21631  Dodecatheon clevelandii subsp. patulum Willis Ball 1975-3-9 494 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope near top of hill ca. 500 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 149 Comment
  CHSC21632  Dodecatheon hendersonii Willis Ball 1975-3-9 493 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope near top of hill ca. 550 yds sw of main parking lot ca. 850 yds w of Contra Loma Blvd. 149 Comment
  CHSC21633  Pentagramma triangularis Willis Ball 1975-3-9 490 Contra Costa In area #8. Ca. 560 yds sw of main parking lot ca. 800 yds w of Contra Loma Blvd. 137 Comment
  CHSC21612  Galium aparine Willis Ball 1975-2-23 440 Contra Costa Contra Loma Regional Park. In area #2. On SE side of hill ca. 20 yds W of boat ramp at W side of lake. 45 Comment
  CHSC57511  Lithophragma parviflorum var. parviflorum Willis Ball 1975-4-19 522 Contra Costa Contra Loma Regional Park, in area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  CHSC59814  Lithophragma affine Willis Ball 1975-3-26 518 Contra Costa On n facing slope of large hill ca. 500 yds s of main parking lot, in area #8, 780 yds w of Contra Loma Blvd., Contra Loma Regional Park. 121 Comment
  CHSC21611  Dichelostemma capitatum subsp. capitatum Willis Ball 1975-2-23 442 Contra Costa In area #2. Ca. 50 yds sw of main parking lot. Contra Loma Regional Park. 45 Comment
  CHSC21624  Triteleia laxa Willis Ball 1975-3-25 505 Contra Costa In area #1. On s side of road leading to main parking lot at s end of lake ca. 35 yds e of parking lot. Contral Costa Regional Park. 38 Comment



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