Log In
New Account
Sitemap
Home
Search
Search Collections
Map Search
Images
Image Browser
Search Images
Mid-Atlantic Floras
Delaware
Maryland
New Jersey
New York
Pennsylvania
NYC EcoFlora
Vascular Checklist
Identification Key
Central Park
Additional Local Lists
More Details About Project
Interactive Tools
Dynamic Checklist
Dynamic Key
Crowdsource Data Entry
Other SEINet Portals
Arizona - New Mexico Chapter
Consortium of Midwest Herbaria
Intermountain Region Herbaria Network (IRHN)
Mid-Atlantic Herbaria
North American Network of Small Herbaria
Northern Great Plains Herbaria
Madrean Archipelago Biodiversity Assessment (MABA) - Flora
Red de Herbarios del Noroeste de México (northern Mexico)
SERNEC - Southeastern USA
Erigeron rydbergii
Cronquist
Family:
Asteraceae
Rydberg's Fleabane
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
2.5-6 cm; taprooted, caudex branches relatively short, thick.
Stems
erect, finely hirsutulous to villosulous, eglandular.
Leaves
mostly basal (persistent); blades linear-oblanceolate to narrowly spatulate, 10-50 × 1-3 mm, cauline mostly on proximal
1
/ 2 of stems, reduced distally, margins entire (apices obtuse to rounded), abaxial faces glabrous, adaxial glabrous or sparsely villous, eglandular.
Heads
1.
Involucres
5-6 × 7-12 mm.
Phyllaries
in 2-3 series, densely and finely hirsuto-villous (hairs without colored cross walls), minutely and inconspicuously glandular.
Ray florets
15-35; corollas usually bluish to purplish, rarely white, 6-9 mm, laminae coiling.
Disc corollas
3.7-5 mm.
Cypselae
1.8-2 mm, 2-nerved, faces sparsely strigose;
pappi:
outer of setae, inner of 15-20 bristles.
Flowering Jun-Aug. Open subalpine to alpine slopes; 2000-3200 m; Idaho, Mont., Wyo.
Open Interactive Map
Click to Display
100 Initial Images
- - - - -
View All Images
This project made possible by National Science Foundation Awards
1601697
,
1600981
,
1601393
,
1600976
,
1601429
,
1601101
,
1601503
Powered by
Symbiota