The Cucumber or Gourd Family West of the Cascade Mountains of Oregon and Washington

Watermelon: Citrullus lanatus - Non-native.

Pumpkin, Summer Squash, Winter Squash: Cucurbita pepo - Non-native.

Balsam Apple, Wild Cucumber: Echinocystis lobata -

Coastal Manroot, Oregon Bigroot, Old Man in the Ground, Wild Cucumber: Marah oreganus - Viny plant that grows along ground or climbs into trees with many spiralled tendrils. Leaves simple and palmate, with small 5 petaled flowers arising in loose spikes from the vines. Fruit is like a spiny cucumber or squash.