• Agave

      Jackson, Marion (2010-01-04)
      Century plant, Carlsbad Caverns National Park, NM - note growth; each = 1'
    • Barrel Cactus

      Jackson, Marion (2010-01-05)
      Barrel cactus, Botanical Garden St. Louis, MO
    • Barrel Cactus Sketch

      Jackson, Marion (2010-01-05)
      Barrel Cactus
    • Bear Oak

      Jackson, Marion (2010-01-04)
      low bush blueberry & Bear Oak, scrub oak, High Point, NJ
    • Bearberry Honeysuckle

      Jackson, Marion (2010-01-04)
      Bearberry Honeysuckle, Rim Village, Crater Lake National Park, OR
    • Big Sagebrush

      Jackson, Marion (2010-01-04)
      Big Sagebrush under Ponderosa Pine, Rocky Mountain National Park, CO
    • Black Huckleberry/Spring Heath

      Jackson, Marion (2010-01-05)
      Graves Pg.209
    • Blackbrush

      Jackson, Marion (2010-01-04)
      Blackbrush, Joshua Tree National Park, CA
    • Bog Laurel Flower Cluster

      Jackson, Marion (2010-01-04)
      Bog Laurel, Quaking Aspen Swamp, OR
    • Bog Laurel Flowers

      Jackson, Marion (2010-01-04)
      Bog Laurel, Bumpus Halls Lassen Volcanic National Park, CA
    • Buckthorn

      Jackson, Marion (2010-01-04)
      Holly leaved Buckthorn on Quartz Monzonite Boulders
    • Cane Cactus

      Jackson, Marion (2010-01-04)
      Cane Cactus
    • Catclaw

      Jackson, Marion (2010-01-04)
      Catclaw, Saguaro National Monument, AZ
    • Chain Fruit Cholla

      Jackson, Marion (2010-01-04)
      Chain Fruit Cholla, fruit breaks off for dispersal, Organ Pipe Cactus National Monument, AZ
    • Chamise Branch

      Jackson, Marion (2010-01-04)
      Chamise, Pinnacles National Monument, CA
    • Chamise Shrub

      Jackson, Marion (2010-01-04)
      Foliage & late flowers of chamise, Pinnacles National Monument, CA
    • Chestnut Oak

      Jackson, Marion (2010-01-05)
      Jenning's Co., IN. Tribbett's Flatwoods, Chestnut Oak
    • Chinquapin

      Jackson, Marion (2010-01-04)
      Evergreen Chinquapin, common shrub in Sierra Forest - Alta Park Trail, OR
    • Cliff Rose

      Jackson, Marion (2010-01-04)
      Cliff rose, browse indicator for deer - Grand Canyon, AZ
    • Climbing Bittersweet/Staphylea

      Jackson, Marion (2010-01-05)
      Graves Pg.168