Alnus Maritima
Alnus
Aruncus
Calycanthus
Chimaphila
Dirca
Iliamna
Larix
Micranthes
Neviusia
Nolina
Paxistima
Paysonia
Perideridia
Phyllodoce
Pinguicula
Pinus contorta
Pleuropogon
Polemonium
Polypodium
Polystichum
Prosartes
Pycnanthemum
Rhododendron
Sagina
Saxifraga
Schizaea
Sericocarpus
Smilax
Sorbus
Staphylea
Styrax
Sullivantia
Tauschia
Taxus
Thermopsis
Tiarella
Tofieldia
Torreya
Trautvetteria
Trillium
Trollius
Tsuga
Vaccinium
Valeriana
Waldsteinia
Woodwardia
Xerophyllum
Ziziphus