Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status
collected Asclepias cryptoceras W. A. Weber 1952-05-11 Apocynaceae COLO 00023010
collected Asclepias speciosa W. A. Weber; Hans Beck 1983-08-01 Apocynaceae COLO 00023895
collected Asclepias viridiflora W. A. Weber; Wittmann 1993-07-10 Apocynaceae COLO 00025858
collected Asclepias incarnata W. A. Weber 1951-08-14 Apocynaceae COLO 00023549
collected Asclepias latifolia W. A. Weber; C. Wittmann 1991-07-12 Apocynaceae COLO 00023804
collected Asclepias rusbyi W. A. Weber Carolyn Crawford 1947-09-02 2001-11-00 Apocynaceae COLO 00023333
collected Asclepias viridiflora W. A. Weber; Wittmann 1993-07-10 Apocynaceae COLO 00025874
collected Asclepias latifolia W. A. Weber; C. Wittmann 1985-09-15 Apocynaceae COLO 00023796
collected Asclepias latifolia W. A. Weber 1948-08-06 Apocynaceae COLO 00023580
collected Asclepias engelmanniana W. A. Weber; R. C. Wittmann 1991-07-13 Apocynaceae COLO 00023200
collected Apocynum cannabinum W. A. Weber; C. Rector, J. Wingate, V. Siplivinsky 1982-05-06 Apocynaceae COLO 00021956
collected Apocynum androsaemifolium W. A. Weber 1951-07-24 Apocynaceae COLO 00021584
collected Asclepias engelmanniana W. A. Weber 1951-08-14 Apocynaceae COLO 00023309
collected Asclepias engelmanniana W. A. Weber 1949-07-12 Apocynaceae COLO 00023242
collected Asclepias speciosa W. A. Weber 1951-07-03 Apocynaceae COLO 00024208
collected Asclepias cryptoceras W. A. Weber 1975-08-28 Apocynaceae COLO 00023150
collected Asclepias viridiflora W. A. Weber 1951-07-03 Apocynaceae COLO 00025650
collected Asclepias latifolia W. A. Weber; G. Arp 1970-08-08 Apocynaceae COLO 00023572
collected Asclepias asperula ssp. asperula W. A. Weber; Peter Salamun 1965-06-27 Apocynaceae COLO 00022897
collected Asclepias macrotis W. A. Weber 1948-08-06 Apocynaceae COLO 00023721
collected Apocynum cannabinum W. A. Weber; Wittmann 1993-07-11 Apocynaceae COLO 00022046
collected Asclepias viridiflora W. A. Weber 1948-06-15 Apocynaceae COLO 00025833
collected Asclepias speciosa W. A. Weber; R.C. Wittmann 1994-07-10 Apocynaceae COLO 00024026
collected Asclepias cryptoceras W. A. Weber 1948-05-20 Apocynaceae COLO 00023028
collected Asclepias incarnata W. A. Weber 1967-07-29 Apocynaceae COLO 00023390
collected Asclepias cryptoceras W. A. Weber 1948-05-21 Apocynaceae COLO 00022988
collected Asclepias asperula subsp. asperula W. A. Weber 1948-08-08 Apocynaceae COLO 00022749
collected Asclepias arenaria W. A. Weber 1951-08-14 Apocynaceae COLO 00022566
collected Asclepias subverticillata W. A. Weber; Hans Beck 1983-08-01 Apocynaceae COLO 00025031
collected Asclepias asperula subsp. asperula W. A. Weber; C. F. Livingston 1951-06-16 Apocynaceae COLO 00022871