Table 17.2. Modern On-Site and Near-Site Plants vs. Pollen Representations in Surface and Subsurface (Prehistoric) Samples

Scientific Name Corresponding Pollen Taxa Lower Sand Canyon Sites Near McElmo Upper Sand Canyon Talus-Slope Sites Upper Sand Canyon Mesa-Top Sites
5MT262
Saddlehorn Hamlet		 5MT1825
Castle Rock Pueblo		 5MT3967
Catherine's Site		 5MT10246
Lester's Site		 5MT3930
Roy's Ruin		 5MT3936
Lillian's Site		 5MT3951
Troy's Tower		 5MT5152
Kenzie Dawn Hamlet		 5MT11338
G and G Hamlet
ARBOREAL PLANTS ARBOREAL TAXA
Betulaceae
    Alnus sp. Alnus p
Cupressaceae
    Juniperus osteosperma Juniperus x m p x m p x m p x p x p x m p o p o p x p
Fagaceae
    Quercus gambelii Quercus m m p m p p p m p p p
Pinaceae
    Abies spp. Abies m
    Picea spp. Picea m m p p p p m p
    Pinus spp. Pinus m p m p m p p p m p p p p
    Pinus edulis Pinus edulis-type x m p x m p x m p x p o p x m p o p o p x p
    Pinus ponderosa Pinus ponderosa-type m p m p m p p p m p p p
    Pseudotsuga menziesii Pseudotsuga m m m m
NONARBOREAL PLANTS NONARBOREAL TAXA
Asclepiadaceae
    Asclepias sp. x x
Boraginaceae
    Cryptantha sp. x x
    Lappula sp. x x x x x x x
Cactaceae
    Echinocereus sp. x x x x
    Mammillaria sp. x
    Opuntia sp. Cylindropuntia x p p x x p x
    Opuntia sp. Platyopuntia x m p x m x o x
Capparidaceae
    Cleome lutea Cleome p x p p p p p p p
Chenopodiaceae Cheno-am m p m p m p p p m p p p p
    Atriplex canescens Cheno-am x x x
    Chenopodium sp. Cheno-am x x x x x x x
    Eurotia lanata Cheno-am x
    Salsola ibericaa Cheno-am x x
    Sarcobatus sp. Sarcobatus m p p p m p p
Compositae
    Artemisia tridentata Artemisia x m p x m p m p p x p x m p x p x p x p
    Lactuca sp. Liguliflorae x x x p x x x
    Helianthus annuus High-spine Compositae m p p m p p x m p x p x p p
    (other High-spine Compositae group species) x x o p x x
    Xanthium sp. Low-spine Compositae m p m p x m p p p m p p p p
Cruciferae Cruciferae p m
    Descurainia sophia x
    (other species) x x x x x x x x x
Cucurbitaceae
    Cucurbita Cucurbita p
Cyperaceae x x
Ephedraceae
    Ephedra sp. Ephedra nevadensis-type x m p x m p x m p x p x p m p x p o p x p
Ephedra torreyana-type m p p p
Euphorbiaceae
    Euphorbia fendleri Euphorbia-type o p x
Geraniaceae
    Erodium cicutarium Erodium x x m
Gramineae Gramineae
    (various species) x m p x m p x m p x p x p x m p x p x p x p
    Zea Zea m p p p p p p p p
Labiatae
    Dracocephalum parviflorum x
Leguminosae
    Astragalus wingatus Papilionoideae p x
    (other species) x x x x
Liliaceae
    Calochortus cf. nuttallii x x x
    Yucca sp. x x x x
    (other species) x x x
Loasaceae
    Mentzelia albicaulis x x x
Malvaceae
    Sphaeralcea sp. Sphaeralcea-type x p x p x p x p x x x p x x
Nyctaginaceae
    Mirabilis multiflora x
Onagraceae
    Guara spp. Gaura-type m
    Oenothera spp. Oenothera-type p
    Gayophytum ramosissimum x
Polemoniaceae
    Gilia congesta Gilia-type p x
    Gilia inconspicua x
    Phlox sp. x x x
Polygonaceae
    Eriogonum sp. o x
    Polygonum sp. x x x
Portulacaceae
    Portulaca Portulaca p p p
Rosaceae Rosaceae p p p
    Peraphyllum ramosissimum x
    (other species) x x x x x x
Scrophulariaceae
    Pedicularis centranthera x
    (other species) x x x x o
Solanaceae
    Physalis hederifolia x
    Solanum triflorum x
Umbelliferae Umbelliferae x p x p x
    Cymopterus purpureus x
Verbenaceae
    Verbena bracteata x

x = present on site in modern vegetation; o = present near site in modern vegetation; m = pollen present in modern surface sample; p = pollen present in subsurface sample
aNon-native.