Juncus Repens is an easy to keep stem plant with long stems and narrow leaves.  It can grow under a wide range of conditions and therefore great for beginners.  This grass-like plant is generally green but when kept under high light, the leaves can exhibit a reddish brown color.  
Family Name:  Juncaceae 
Origin: North America
Height: 4-12”
pH: 6.0-8.0
Care: Easy
Light: Low 
Co2: Not required
Propagation: Cut stem, new growth, or lateral shoots
Growth rate: Moderate