Alaska Boykinia, Bearflower, Bear Flower, Richardson's Brookfoam: Boykinia richardsonii (Synonyms: Hemieva richardsonii, Saxifraga richardsonii, Therofon richardsonii)
Green Saxifrage, Northern Golden Saxifrage, Northern Golden-saxifrage, Northern Water-carpet: Chrysosplenium tetrandrum (Synonym: Chrysosplenium alternifolium ssp. tetrandrum)
Bering Sea Water-carpet, Wright's Golden-saxifrage: Chrysosplenium wrightii (Synonym: Chrysosplenium alternifolium var. wrightii)
False Saxifrage, Leatherleaf Saxifrage, Leather-leaved Saxifrage: Leptarrhena pyrolifolia (Synonym: Saxifraga pyrolifolia) - Sometimes referred to as Saxifraga davurica or Saxifraga razshivinii.
Hawkweed-leaved Saxifrage, Rusty Saxifrage, Stiffstem Saxifrage, Stiff-stemmed Saxifrage: Micranthes hieracifolia (Synonyms: Saxifrage hieracifolia, Saxifraga hieracifolia var. angusticapsula, Saxifraga hieracifolia var. rufopilosa)
Brook Saxifrage, Cordate-leaved Saxifrage, Heartleaf Saxifrage, Saladgreens: Micranthes nelsoniana ssp. nelsoniana (Synonyms: Saxifraga aestivalis, Saxifraga nelsoniana ssp. nelsoniana, Saxifraga punctata, Saxifraga punctata ssp. nelsoniana, Saxifraga punctata var. nelsoniana)
Reflexed Saxifrage, Yukon Saxifrage: Micranthes reflexa (Synonym: Saxifraga reflexa)
Kotzebue's Grass of Parnassus, Small Grass of Parnassus: Parnassia kotzebuei (Synonym: Parnassia kotzebuei var. pumila)
Bog Star, Marsh Grass of Parnassus, Northern Grass of Parnassus: Parnassia palustris ssp. neogaea (Synonyms: Parnassia multiseta, Parnassia palustris ssp. neogaea, Parnassia palustris var. neogaea)
Small Saxifrage, Wedge-leaf Saxifrage: Saxifraga adscendens (Synonyms: Muscaria adscendens, Saxifraga adscendens ssp. oregonensis, Saxifraga adscendens var. oregonensis, Saxifraga oregonensis)
Matted Saxifrage, Spotted Saxifrage: Saxifraga bronchialis ssp. austromontana (Synonyms: Ciliaria austromontana, Saxifraga austromontana, Saxifraga bronchialis var. austromontana) - Spots on petals are yellow towards the base, reddish or purplish distally.
Matted Saxifrage, Spotted Saxifrage: Saxifraga bronchialis ssp. funstonii (Synonyms: Ciliaria austromontana, Saxifraga austromontana, Saxifraga bronchialis var. austromontana) - Spots on petals are all yellow.
Tufted Alpine Saxifrage, Tufted Saxifrage: Saxifraga cespitosa (Synonyms: Muscaria delicatula, Muscaria micropetala, Muscaria monticola, Saxifraga cespitosa ssp. decipiens, Saxifraga cespitosa var. emarginata, Saxifraga cespitosa ssp. exaratoides, Saxifraga cespitosa ssp. laxiuscula, Saxifraga cespitosa var. lemmonii, Saxifraga cespitosa var. minima, Saxifraga cespitosa ssp. monticola, Saxifraga cespitosa ssp. sileneflora, Saxifraga cespitosa ssp. subgemmifera, Saxifraga cespitosa var. subgemmifera, Saxifraga cespitosa var. uniflora)
Bulblet Saxifrage, Nodding Saxifrage, Saxifraga penchee: Saxifraga cernua (Synonym: Saxifraga cernua var. exilioides)
Barnacle Saxifrage, Ciliate Saxifrage, Cushion Saxifrage: Saxifraga eschscholtzii
Spiderplant, Spider-legged Saxifrage, StoloniferousSaxifrage, Whiplash Saxifrage: Saxifraga flagellaris (ssp. platysepala or ssp. setigera ?)
Leafystem Saxifrage: Saxifraga foliolosa (Synonyms: Hydatica foliolosa, Saxifraga stellaris var. comosa, Spatularia foliolosa) ?
Bog Saxifrage, Yellow Marsh Saxifrage: Saxifraga hirculus (Synonyms: Hirculus prorepens, Leptasea hirculus, Saxifraga hirculus ssp. coloradensis, Saxifraga hirculus ssp. compacta, Saxifraga hirculus ssp. propinqua, Saxifraga hirculus var. propinqua)
Pygmy Saxifrage: Saxifraga hyperborea (Synonyms: Saxifraga flexuosa, Saxifraga rivularis var. flexuosa, Saxifraga rivularis ssp. hyperborea, Saxifraga rivularis var. hyperborea, Saxifraga rivularis var. purpurascens)
Lyall's Saxifrage, Hulten's Saxifrage, Red-stemmed Saxifrage: Micranthes lyallii (Synonyms: Saxifraga lyallii, Saxifraga lyallii ssp. hultenii, Saxifraga lyallii var. hultenii)
Purple Mountain Saxifrage: Saxifraga oppositifolia (ssp. ?)
Weak Saxifrage: Saxifraga rivularis ssp. arctolitoralis (Synonym: Saxifraga arctolitoralis)
Thymeleaf Saxifrage, Thyme-leaved Saxifrage: Saxifraga serpyllifolia (Synonym: Saxifraga serpyllifolia var. purpurea)
Spiked Saxifrage: Saxifraga spicata
Prickly Saxifrage, Saxifrage Trois Dents, Three-toothed Saxifrage: Saxifraga tricuspidata (Synonym: Leptasea tricuspidata)
