Table 1

Alternative proposed classification schemes for the genus Agalinis, with synonomies from the USDA Plants Database [32]

Canne and co-authors [5,22,23]
Pennell (1929) [3]
Pennell (1935) [4]


Tomanthera
Tomanthera

     T. auriculata
     T. auriculata

     T. densiflora
     T. densiflora
Agalinis
Agalinis
Gerardia
Section Linifoliae
Section Linifolieae
Section Spartorhizoma
     A. linifolia
     A. linifolia
     G. linifolia


Section Chytra
Section Heterophyllae
Section Heterophyllae
     Subsection Heterophyllae
     A. auriculata
     A. calycina
          G. calycina
     A. calycina
     A. heterophylla
          G. heterophylla
     A. densiflora


     A. heterophylla



Section Asperae
     Subsection Asperae

     A. aspera
          G. aspera
Section Purpureae
Section Purpureae

     Subsection Purpureae
     Subsection Purpureae
     Subsection Purpureae
          A. fasciculata
          A. albida
          G. fasciculata
          A. harperi = A. pinetorum
          A. borealis
          G. georgiana = A. fasciculata
          A. maritima
          A. caddoensis
          G. harperi = A. pinetorum
          A. neoscotica
          A. fasciculata
          G. maritima
          A. paupercula
          A. georgiana = A. fasciculata
          G. paupercula
          A. pinetorum
          A. harperi = A. pinetorum
          G. pulchella
          A. purpurea
          A. maritima
          G. purpurea
          A. tenuifolia
          A. neoscotica
          G. racemulosa = A. fasciculata
          A. virgata = A. fasciculata
          A. paupercula


          A. pinetorum


          A. purpurea


          A. virgata = A. fasciculata

     Subsection Setaceae
     Subsection Setaceae
     Subsection Setaceae
          A. filifolia
          A. filifolia
          G. aphylla
          A. laxa
          A. holmiana = A. setacea
          G. caddoensis
          A. plukenetii
          A. keyensis
          G. filifolia
          A. setacea
          A. laxa
          G. laxa
          A. stenophylla
          A. oligophylla
          G. microphylla = A. oligophylla

          A. pseudaphylla = A. oligophylla
          G. plukenetii

          A. setacea
          G. pseudaphylla = A. oligophylla

          A. stenophylla = A. setacea
          G. pulcherrima = A. pulchella


          G. setacea

     Subsection Aphyllae
          G. stenophylla = A. setacea

          A. aphylla
          G. strictifolia
     Subsection Pedunculares
     Subsection Pedunculares

          A. aspera
          A. caddoensis

          A. edwardsiana
          A. peduncularis

          A. peduncularis
          A. pulchella

          A. pulchella
          A. strictifolia

          A. strictifolia


          A. homalantha


Section Tenuifoliae
Section Tenuifoliae
     Subsection Tenuifoliae
          A. divaricata
          A. divaricata
          G. divaricata
          A. filicaulis
          A. edwardsiana
          G. edwardsiana
          A. nutallii
          A. filicaulis
          G. filicaulis

          A. homalantha
          G. homalantha

          A. longifolia = A. nuttallii
          G. longifolia = A. nuttallii

          A. polyphylla
          G. tenuifolia

          A. tenuifolia

Section Erectae
Section Erectae
Section Chloromone
          A. acuta
          A. acuta
          G. acuta
          A. aphylla
          A. decemloba = A. obtusifolia
          G. decemloba = A. obtusifolia
          A. decemloba = A. obtusifolia
          A. erecta
          G. gattingeri
          A. gattingeri
          A. gattingeri
          G. obtusifolia
          A. keyensis
          A. obtusifolia
          G. skinneriana
          A. obtusifolia
          A. skinneriana
          G. tenella = A. obtusifolia
          A. oligophylla
          A. tenella = A. obtusifolia
          G. viridis
          A. skinneriana
          A. viridis

          A. tenella = A. obtusifolia


          A. viridis



A. caddoensis, A. albida, A. georgiana were not included in Canne-Hilliker papers. A. peduncularis was left out of Pennell 1935 [4] – he mentions it in the text but does not include it in the keys or descriptions; A. erecta is mentioned only in Pennell 1929 [3].

Neel and Cummings BMC Evolutionary Biology 2004 4:15   doi:10.1186/1471-2148-4-15