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  • Lemna minor

    Common duckweed

    This tiny herbaceous plant is less than 0.5 cm in diameter. It is easy to see colonies growing on the water's surface.

    Plant form
    Herbaceous aquatic plant
    Family
    Lemnaceae
  • Juniperus communis

    Common juniper

    This shrubby, sprawling coniferous shrub grows 25 cm to 1.5 m tall. The common juniper typically grows as a low, shrub-like plant without a central trunk.

    Plant form
    Conifer
    Family
    Cupressaceae
  • Polypodium virginianum

    Common polypody, rock polypody

    This short (30 cm) fern grows in small, dense colonies. It produces only one type of fronds, which remain on the plant throughout the winter and until the middle of the following summer.

    Plant form
    Fern
    Family
    Polypodiaceae
  • Achillea millefolium (Achillea lanulosa)

    Common yarrow

    The slightly hairy stems of this perennial plant are 30 to 60 cm tall. The leaves are divided into many segments.

    Plant form
    Herbaceous terrestrial plant
    Family
    Asteraceae (Compositae)
  • Tiarella cordofolia

    Coolwort, foamflower

    This plant may grow up to 30 cm tall. Its toothed, shallow-lobed leaves are heart-shaped and resemble those of mountain maple. They have a long stalk and are mostly borne at the base of the plant.

    Plant form
    Herbaceous terrestrial plant
    Family
    Saxifragaceae
  • Astrocaryum alatum Loomis

    Coquillo palm tree, Coquito palm tree

    This attractive spiny-trunked palm tree can reach 1.5 to 8 m in height and 10 to 17 cm in diameter.

    Plant form
    Palm
    Family
    Arecaceae
  • Ficus costaricana (Liebm.) Miq.

    Costa Rica strangler fig tree

    This is a mid-sized tree that can reach 30 m. Its trunk is often hollow, with the centre representing the space left by the host tree that has rotted away.

    Plant form
    Broadleaf tree
    Family
    Moraceae
  • Chamaedorea costaricana oerst.

    Costa Rican bamboo palm

    This palm grows in clumps, reaching 3 to 8 m. Each trunk is 2 to 8 cm across and bears from 4 to 6 long palm leaves, 1 to 2 m long, with 20 to 26 leaflets each. Its fruit is black.

    Plant form
    Palm
    Family
    Arecaceae
  • Dieffenbachia daguensis Engl.

    Dagua river dumb cane

    This approximately 1.2 m tall plant produces about ten large, leathery, oval leaves, borne on a fairly long stalk.

    Plant form
    Herbaceous terrestrial plant
    Family
    Araceae
  • Tillandsia bulbosa Hook.

    Dancing bulb

    This stemless epiphytic plant forms dense colonies on trees. Its leaves are normally longer than its inflorescences and are covered in tiny, thin, red or green scales.

    Plant form
    Herbaceous epiphytic plant
    Family
    Bromeliaceae
  • Amelanchier arborea (syn. A. canadensis)

    Downy serviceberry

    This low shrub, tall shrub or tree may grow 5 to 10 m tall. Its twisted trunk is covered in thin, smooth, greyish bark marked by vertical brown lines. It becomes rough with age.

    Plant form
    Broadleaf tree
    Family
    Rosaceae
  • Tsuga canadensis

    Eastern hemlock, Canada hemlock

    This 19 to 25 m tall tree has flattened 1 to 2 cm long needles, each with a petiole, arranged in 2 ranks on the twig.

    Plant form
    Conifer
    Family
    Pinaceae