Voucher

Voucher #13846


Isoetes orcuttii A.A.Eaton

Family
Isoetaceae
Genus
Isoetes
Specific epithet
orcuttii
Specific author
A.A.Eaton
Determination by
F.Freund
Date determined
According to
Jepson Online Interchange (2019)
Identification comments
Some spore ornamentation not fully consistent with I. orcuttii, but otherwise fits.
Group
Rothfels
User
crothfels
Date created
Jun 10, 2019
Date updated
Jun 10, 2019

F.Freund 287 UC

Primary collector
F.Freund
Collection number
287
Voucher location
UC
Date collected
Country of origin
U.S.A.
Secondary subdivision
Riverside County
Specific locality
Santa Rosa Plateau. Close to rock outcrop on the North-East edge of the large vernal pool adjacent south end of the reserve.
Longitude (DD)
-117.281
Latitude (DD)
33.507
Elevation (m)
623
Habitat
Plants are scattered along the edge up from the water in muddy soil near the water's edge, or slightly up from water's edge. No plants observed in the water. Plants scattered, sparse and usually found without other Isoetes within ca. 5-6 inches.
Description
Sporangia mature, velum complete, leaf scales present, few with phyllopodia, most plants with both mega- or microsporangia. Spores dark grey when wet, light grey when dry. Ornamentation tuberculate to echinate.
Collection notes
Plants of various sizes. Smaller plants found close to water, while larger plants found further away from the water.
Permitting authority
California Dept. of Fish and Wildlife & The Nature Conservency
Group
Rothfels
User
forrest
Date created
Jun 10, 2019
Date updated
Jun 10, 2019

16553

Material Type
Silica-Dried
Material Comments
Subsample silica-dried, from the population.
Group
Rothfels
User
crothfels
Date created
Jun 10, 2019
Date updated
Jun 10, 2019

16554

Material Type
Fixed
Material Comments
Subsample preserved in FPA (formaldyhide-acetic acid-propionic acid), from the population
Group
Rothfels
User
crothfels
Date created
Jun 10, 2019
Date updated
Jun 10, 2019