arabidopsis arenosa, cerastium semidecandrum, corynephorus canescens, arenaria serpyllifolia, ceratodon purpureus, draba verna, agrostis vinealis, bromus tectorum, bryum argenteum, cerastium holosteoides, cladonia subulata, erigeron canadensis, hypericum perforatum, papaver dubium, poa angustifolia, rumex acetosella, teesdalia nudicaulis, senecio viscosus