Pagina 166 - Flora of the Southern Carnic Alps

166
with a magnifying
glass)
541 Fruits topped with a
long beak 542
541 Fruits beakless 544
542
Leaf base arrow-
shaped. Stem bone-
white
Lactuca serriola L.
542 Leaf base not arrow-
shaped. Stem green 543
543
Heads with 5 flowers
only. Fruits
compressed
(magnifying glass)
Lactuca muralis
(L.) Gaertn.
543
Heads with numerous
flowers. Fruits
cylindrical
Crepis vesicaria L.
subsp.
taraxacifolia
(Thuill.) Thell.