TY - RPRT TI - Did debris-covered glaciers serve as pleistocene refugia for plants? A new hypothesis derived from observations of recent plant growth on glacier surfaces AU - T. Fickert AU - D. Friend AU - F. Gruninger AU - B. Molnia AU - M. Richter PY - 2007 DO - 10.1657/1523-0430(2007)39[245:ddgsap]2.0.co;2 UR - https://pubs.usgs.gov/publication/70030008 ID - 70030008 ER -